ZHCSPQ3A december   2022  – april 2023 MCF8315A

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Characteristics of the SDA and SCL bus for Standard and Fast mode
    7. 6.7 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Output Stage
      2. 7.3.2  Device Interface
        1. 7.3.2.1 Interface - Control and Monitoring
        2. 7.3.2.2 I2C Interface
      3. 7.3.3  Step-Down Mixed-Mode Buck Regulator
        1. 7.3.3.1 Buck in Inductor Mode
        2. 7.3.3.2 Buck in Resistor mode
        3. 7.3.3.3 Buck Regulator with External LDO
        4. 7.3.3.4 AVDD Power Sequencing from Buck Regulator
        5. 7.3.3.5 Mixed Mode Buck Operation and Control
        6. 7.3.3.6 Buck Under Voltage Protection
        7. 7.3.3.7 Buck Over Current Protection
      4. 7.3.4  AVDD Linear Voltage Regulator
      5. 7.3.5  Charge Pump
      6. 7.3.6  Slew Rate Control
      7. 7.3.7  Cross Conduction (Dead Time)
      8. 7.3.8  Speed Control
        1. 7.3.8.1 Analog Mode Speed Control
        2. 7.3.8.2 PWM Mode Speed Control
        3. 7.3.8.3 I2C based Speed Control
        4. 7.3.8.4 Frequency Mode Speed Control
        5. 7.3.8.5 Speed Profiles
          1. 7.3.8.5.1 Linear Speed Profiles
          2. 7.3.8.5.2 Staircase Speed Profile
          3. 7.3.8.5.3 Forward-Reverse Speed Profile
      9. 7.3.9  Starting the Motor Under Different Initial Conditions
        1. 7.3.9.1 Case 1 – Motor is Stationary
        2. 7.3.9.2 Case 2 – Motor is Spinning in the Forward Direction
        3. 7.3.9.3 Case 3 – Motor is Spinning in the Reverse Direction
      10. 7.3.10 Motor Start Sequence (MSS)
        1. 7.3.10.1 Initial Speed Detect (ISD)
        2. 7.3.10.2 Motor Resynchronization
        3. 7.3.10.3 Reverse Drive
          1. 7.3.10.3.1 Reverse Drive Tuning
        4. 7.3.10.4 Motor Start-up
          1. 7.3.10.4.1 Align
          2. 7.3.10.4.2 Double Align
          3. 7.3.10.4.3 Initial Position Detection (IPD)
            1. 7.3.10.4.3.1 IPD Operation
            2. 7.3.10.4.3.2 IPD Release Mode
            3. 7.3.10.4.3.3 IPD Advance Angle
          4. 7.3.10.4.4 Slow First Cycle Startup
          5. 7.3.10.4.5 Open loop
          6. 7.3.10.4.6 Transition from Open to Closed Loop
      11. 7.3.11 Closed Loop Operation
        1. 7.3.11.1 Closed loop accelerate
        2. 7.3.11.2 Speed PI Control
        3. 7.3.11.3 Current PI Control
        4. 7.3.11.4 Overmodulation
      12. 7.3.12 Motor Parameters
        1. 7.3.12.1 Motor Resistance
        2. 7.3.12.2 Motor Inductance
        3. 7.3.12.3 Motor Back-EMF constant
      13. 7.3.13 Motor Parameter Extraction Tool (MPET)
      14. 7.3.14 Anti-Voltage Surge (AVS)
      15. 7.3.15 Output PWM Switching Frequency
      16. 7.3.16 Active Braking
      17. 7.3.17 PWM Modulation Schemes
      18. 7.3.18 Dead Time Compensation
      19. 7.3.19 Motor Stop Options
        1. 7.3.19.1 Coast (Hi-Z) Mode
        2. 7.3.19.2 Recirculation Mode
        3. 7.3.19.3 Low-Side Braking
        4. 7.3.19.4 High-Side Braking
        5. 7.3.19.5 Active Spin-Down
        6. 7.3.19.6 Align Braking
      20. 7.3.20 FG Configuration
        1. 7.3.20.1 FG Output Frequency
        2. 7.3.20.2 FG Open-Loop and Lock Behavior
      21. 7.3.21 DC Bus Current Limit
      22. 7.3.22 Protections
        1. 7.3.22.1  VM Supply Undervoltage Lockout
        2. 7.3.22.2  AVDD Undervoltage Lockout (AVDD_UV)
        3. 7.3.22.3  BUCK Undervoltage Lockout (BUCK_UV)
        4. 7.3.22.4  VCP Charge Pump Undervoltage Lockout (CPUV)
        5. 7.3.22.5  Overvoltage Protection (OVP)
        6. 7.3.22.6  Overcurrent Protection (OCP)
          1. 7.3.22.6.1 OCP Latched Shutdown (OCP_MODE = 00b)
          2. 7.3.22.6.2 OCP Automatic Retry (OCP_MODE = 01b)
          3. 7.3.22.6.3 OCP Report Only (OCP_MODE = 10b)
          4. 7.3.22.6.4 OCP Disabled (OCP_MODE = 11b)
        7. 7.3.22.7  Buck Overcurrent Protection
        8. 7.3.22.8  Hardware Lock Detection Current Limit (HW_LOCK_ILIMIT)
          1. 7.3.22.8.1 HW_LOCK_ILIMIT Latched Shutdown (HW_LOCK_ILIMIT_MODE = 00xxb)
          2. 7.3.22.8.2 HW_LOCK_ILIMIT Automatic recovery (HW_LOCK_ILIMIT_MODE = 01xxb)
          3. 7.3.22.8.3 HW_LOCK_ILIMIT Report Only (HW_LOCK_ILIMIT_MODE = 1000b)
          4. 7.3.22.8.4 HW_LOCK_ILIMIT Disabled (HW_LOCK_ILIMIT_MODE= 1xx1b)
        9. 7.3.22.9  Thermal Warning (OTW)
        10. 7.3.22.10 Thermal Shutdown (TSD)
        11. 7.3.22.11 Motor Lock (MTR_LCK)
          1. 7.3.22.11.1 MTR_LCK Latched Shutdown (MTR_LCK_MODE = 00xxb)
          2. 7.3.22.11.2 MTR_LCK Automatic Recovery (MTR_LCK_MODE= 01xxb)
          3. 7.3.22.11.3 MTR_LCK Report Only (MTR_LCK_MODE = 1000b)
          4. 7.3.22.11.4 MTR_LCK Disabled (MTR_LCK_MODE = 1xx1b)
        12. 7.3.22.12 Motor Lock Detection
          1. 7.3.22.12.1 Lock 1: Abnormal Speed (ABN_SPEED)
          2. 7.3.22.12.2 Lock 2: Abnormal BEMF (ABN_BEMF)
          3. 7.3.22.12.3 Lock3: No-Motor Fault (NO_MTR)
        13. 7.3.22.13 MPET Faults
        14. 7.3.22.14 IPD Faults
    4. 7.4 Device Functional Modes
      1. 7.4.1 Functional Modes
        1. 7.4.1.1 Sleep Mode
        2. 7.4.1.2 Standby Mode
        3. 7.4.1.3 Fault Reset (CLR_FLT)
    5. 7.5 External Interface
      1. 7.5.1 DRVOFF Functionality
      2. 7.5.2 DAC outputs
      3. 7.5.3 Current Sense Output
      4. 7.5.4 Oscillator Source
        1. 7.5.4.1 External Clock Source
      5. 7.5.5 External Watchdog
    6. 7.6 EEPROM access and I2C interface
      1. 7.6.1 EEPROM Access
        1. 7.6.1.1 EEPROM Write
        2. 7.6.1.2 EEPROM Read
      2. 7.6.2 I2C Serial Interface
        1. 7.6.2.1 I2C Data Word
        2. 7.6.2.2 I2C Write Transaction
        3. 7.6.2.3 I2C Read Transaction
        4. 7.6.2.4 I2C Communication Protocol Packet Examples
        5. 7.6.2.5 I2C Clock Stretching
        6. 7.6.2.6 CRC Byte Calculation
    7. 7.7 EEPROM (Non-Volatile) Register Map
      1. 7.7.1 Algorithm_Configuration Registers
      2. 7.7.2 Fault_Configuration Registers
      3. 7.7.3 Hardware_Configuration Registers
      4. 7.7.4 Internal_Algorithm_Configuration Registers
    8. 7.8 RAM (Volatile) Register Map
      1. 7.8.1 Fault_Status Registers
      2. 7.8.2 System_Status Registers
      3. 7.8.3 Device_Control Registers
      4. 7.8.4 Algorithm_Control Registers
      5. 7.8.5 Algorithm_Variables Registers
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Speed Input before VM Power-up
      2. 8.2.2 Application Curves
        1. 8.2.2.1 Motor startup
        2. 8.2.2.2 MPET
        3. 8.2.2.3 Dead time compensation
        4. 8.2.2.4 Auto handoff
        5. 8.2.2.5 Motor stop – recirculation mode
        6. 8.2.2.6 Anti voltage surge (AVS)
        7. 8.2.2.7 Real time variable tracking using DACOUT
  10. 9 Power Supply Recommendations
    1. 9.1 Bulk Capacitance
  11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
      1. 10.3.1 Power Dissipation
  12. 11Device and Documentation Support
    1. 11.1 支持资源
    2. 11.2 Trademarks
    3. 11.3 静电放电警告
    4. 11.4 术语表
  13. 12Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

7.7.1 Algorithm_Configuration Registers

Table 7-13 lists the memory-mapped registers for the Algorithm_Configuration registers. All register offset addresses not listed in Table 7-13 should be considered as reserved locations and the register contents should not be modified.

Table 7-13 ALGORITHM_CONFIGURATION Registers
OffsetAcronymRegister NameSection
80hISD_CONFIGISD ConfigurationISD_CONFIG Register (Offset = 80h) [Reset = 00000000h]
82hREV_DRIVE_CONFIGReverse Drive ConfigurationREV_DRIVE_CONFIG Register (Offset = 82h) [Reset = 00000000h]
84hMOTOR_STARTUP1Motor Startup Configuration1MOTOR_STARTUP1 Register (Offset = 84h) [Reset = 00000000h]
86hMOTOR_STARTUP2Motor Startup Configuration2MOTOR_STARTUP2 Register (Offset = 86h) [Reset = 00000000h]
88hCLOSED_LOOP1Close Loop Configuration1CLOSED_LOOP1 Register (Offset = 88h) [Reset = 00000000h]
8AhCLOSED_LOOP2Close Loop Configuration2CLOSED_LOOP2 Register (Offset = 8Ah) [Reset = X]
8ChCLOSED_LOOP3Close Loop Configuration3CLOSED_LOOP3 Register (Offset = 8Ch) [Reset = X]
8EhCLOSED_LOOP4Close Loop Configuration4CLOSED_LOOP4 Register (Offset = 8Eh) [Reset = X]
94hSPEED_PROFILES1Speed Profile Configuration1SPEED_PROFILES1 Register (Offset = 94h) [Reset = X]
96hSPEED_PROFILES2Speed Profile Configuration2SPEED_PROFILES2 Register (Offset = 96h) [Reset = X]
98hSPEED_PROFILES3Speed Profile Configuration3SPEED_PROFILES3 Register (Offset = 98h) [Reset = X]
9AhSPEED_PROFILES4Speed Profile Configuration4SPEED_PROFILES4 Register (Offset = 9Ah) [Reset = X]
9ChSPEED_PROFILES5Speed Profile Configuration5SPEED_PROFILES5 Register (Offset = 9Ch) [Reset = X]
9EhSPEED_PROFILES6Speed Profile Configuration6SPEED_PROFILES6 Register (Offset = 9Eh) [Reset = X]

Complex bit access types are encoded to fit into small table cells. Table 7-14 shows the codes that are used for access types in this section.

Table 7-14 Algorithm_Configuration Access Type Codes
Access TypeCodeDescription
Read Type
RRRead
Write Type
WWWrite
Reset or Default Value
-nValue after reset or the default value

7.7.1.1 ISD_CONFIG Register (Offset = 80h) [Reset = 00000000h]

ISD_CONFIG is shown in Figure 7-59 and described in Table 7-15.

Return to the Summary Table.

Register to configure initial speed detect settings

Figure 7-59 ISD_CONFIG Register
3130292827262524
RESERVEDISD_ENBRAKE_ENHIZ_ENRVS_DR_ENRESYNC_ENFW_DRV_RESYN_THR
R/W-0hR/W-0hR/W-0hR/W-0hR/W-0hR/W-0hR/W-0h
2322212019181716
FW_DRV_RESYN_THRBRK_MODEBRK_CONFIGBRK_CURR_THRBRK_TIME
R/W-0hR/W-0hR/W-0hR/W-0hR/W-0h
15141312111098
BRK_TIMEHIZ_TIMESTAT_DETECT_THR
R/W-0hR/W-0hR/W-0h
76543210
STAT_DETECT_THRREV_DRV_HANDOFF_THRREV_DRV_OPEN_LOOP_CURRENT
R/W-0hR/W-0hR/W-0h
Table 7-15 ISD_CONFIG Register Field Descriptions
BitFieldTypeResetDescription
31RESERVEDR/W0h Reserved
30ISD_ENR/W0h ISD Enable
0h = Disable
1h = Enable
29BRAKE_ENR/W0h Brake enable
0h = Disable
1h = Enable
28HIZ_ENR/W0h Hi-Z enable
0h = Disable
1h = Enable
27RVS_DR_ENR/W0h Reverse Drive Enable
0h = Disable
1h = Enable
26RESYNC_ENR/W0h Resynchronization Enable
0h = Disable
1h = Enable
25-22FW_DRV_RESYN_THRR/W0h Minimum Speed threshold to resynchronize to close loop (% of MAX_SPEED)
0h = 5%
1h = 10%
2h = 15%
3h = 20%
4h = 25%
5h = 30%
6h = 35%
7h = 40%
8h = 45%
9h = 50%
Ah = 55%
Bh = 60%
Ch = 70%
Dh = 80%
Eh = 90%
Fh = 100%
21BRK_MODER/W0h Brake mode
0h = All three high side FETs turned ON
1h = All three low side FETs turned ON
20BRK_CONFIGR/W0h Brake configuration
0h = Brake time is used to come out of Brake state
1h = Brake current threshold and Brake time is used to come out of Brake state
19-17BRK_CURR_THRR/W0h Brake current threshold (A)
0h = 0.0625 A
1h = 0.125 A
2h = 0.1875 A
3h = 0.3125 A
4h = 0.625 A
5h = 1.25 A
6h = 2.5 A
7h = 5.0 A
16-13BRK_TIMER/W0h Brake time
0h = 10 ms
1h = 50 ms
2h = 100 ms
3h = 200 ms
4h = 300 ms
5h = 400 ms
6h = 500 ms
7h = 750 ms
8h = 1 S
9h = 2 S
Ah = 3 S
Bh = 4 S
Ch = 5 S
Dh = 7.5 S
Eh = 10 S
Fh = 15 S
12-9HIZ_TIMER/W0h Hi-Z time
0h = 10 ms
1h = 50 ms
2h = 100 ms
3h = 200 ms
4h = 300 ms
5h = 400 ms
6h = 500 ms
7h = 750 ms
8h = 1 s
9h = 2 s
Ah = 3 s
Bh = 4 s
Ch = 5 s
Dh = 7.5 s
Eh = 10 s
Fh = 15 s
8-6STAT_DETECT_THRR/W0h BEMF threshold to detect if motor is stationary
0h = 50 mV
1h = 75 mV
2h = 100 mV
3h = 250 mV
4h = 500 mV
5h = 750 mV
6h = 1000 mV
7h = 1500 mV
5-2REV_DRV_HANDOFF_THRR/W0h Speed threshold used to transition to open loop during reverse deceleration (% of MAX_SPEED)
0h = 2.5%
1h = 5%
2h = 7.5%
3h = 10%
4h = 12.5%
5h = 15%
6h = 20%
7h = 25%
8h = 30%
9h = 40%
Ah = 50%
Bh = 60%
Ch = 70%
Dh = 80%
Eh = 90%
Fh = 100%
1-0REV_DRV_OPEN_LOOP_CURRENTR/W0h Open loop current limit during speed reversal (A)
0h = 0.9375 A
1h = 1.5625 A
2h = 2.1875 A
3h = 3.125 A

7.7.1.2 REV_DRIVE_CONFIG Register (Offset = 82h) [Reset = 00000000h]

REV_DRIVE_CONFIG is shown in Figure 7-60 and described in Table 7-16.

Return to the Summary Table.

Register to configure reverse drive settings

Figure 7-60 REV_DRIVE_CONFIG Register
3130292827262524
RESERVEDREV_DRV_OPEN_LOOP_ACCEL_A1REV_DRV_OPEN_LOOP_ACCEL_A2
R/W-0hR/W-0hR/W-0h
2322212019181716
REV_DRV_OPEN_LOOP_ACCEL_A2ACTIVE_BRAKE_CURRENT_LIMITACTIVE_BRAKE_KP
R/W-0hR/W-0hR/W-0h
15141312111098
ACTIVE_BRAKE_KPACTIVE_BRAKE_KI
R/W-0hR/W-0h
76543210
ACTIVE_BRAKE_KI
R/W-0h
Table 7-16 REV_DRIVE_CONFIG Register Field Descriptions
BitFieldTypeResetDescription
31RESERVEDR/W0h Reserved
30-27REV_DRV_OPEN_LOOP_ACCEL_A1R/W0h Open loop acceleration coefficient A1 during reverse drive
0h = 0.01 Hz/s
1h = 0.05 Hz/s
2h = 1 Hz/s
3h = 2.5 Hz/s
4h = 5 Hz/s
5h = 10 Hz/s
6h = 25 Hz/s
7h = 50 Hz/s
8h = 75 Hz/s
9h = 100 Hz/s
Ah = 250 Hz/s
Bh = 500 Hz/s
Ch = 750 Hz/s
Dh = 1000 Hz/s
Eh = 5000 Hz/s
Fh = 10000 Hz/s
26-23REV_DRV_OPEN_LOOP_ACCEL_A2R/W0h Open loop acceleration coefficient A2 during reverse drive
0h = 0.0 Hz/s2
1h = 0.05 Hz/s2
2h = 1 Hz/s2
3h = 2.5 Hz/s2
4h = 5 Hz/s2
5h = 10 Hz/s2
6h = 25 Hz/s2
7h = 50 Hz/s2
8h = 75 Hz/s2
9h = 100 Hz/s2
Ah = 250 Hz/s2
Bh = 500 Hz/s2
Ch = 750 Hz/s2
Dh = 1000 Hz/s2
Eh = 5000 Hz/s2
Fh = 10000 Hz/s2
22-20ACTIVE_BRAKE_CURRENT_LIMITR/W0h Bus current limit during active braking (A)
0h = 0.3125 A
1h = 0.625 A
2h = 1.25 A
3h = 1.875 A
4h = 2.5 A
5h = 3.125 A
6h = 3.75 A
7h = Reserved
19-10ACTIVE_BRAKE_KPR/W0h 10-bit value for active braking loop Kp. Kp = ACTIVE_BRAKE_KP / 27
9-0ACTIVE_BRAKE_KIR/W0h 10-bit value for active braking loop Ki. Ki = ACTIVE_BRAKE_KI / 29

7.7.1.3 MOTOR_STARTUP1 Register (Offset = 84h) [Reset = 00000000h]

MOTOR_STARTUP1 is shown in Figure 7-61 and described in Table 7-17.

Return to the Summary Table.

Register to configure motor startup settings1

Figure 7-61 MOTOR_STARTUP1 Register
3130292827262524
RESERVEDMTR_STARTUPALIGN_SLOW_RAMP_RATEALIGN_TIME
R/W-0hR/W-0hR/W-0hR/W-0h
2322212019181716
ALIGN_TIMEALIGN_OR_SLOW_CURRENT_ILIMITIPD_CLK_FREQ
R/W-0hR/W-0hR/W-0h
15141312111098
IPD_CLK_FREQIPD_CURR_THRIPD_RLS_MODE
R/W-0hR/W-0hR/W-0h
76543210
IPD_ADV_ANGLEIPD_REPEATOL_ILIMIT_CONFIGIQ_RAMP_ENACTIVE_BRAKE_ENREV_DRV_CONFIG
R/W-0hR/W-0hR/W-0hR/W-0hR/W-0hR/W-0h
Table 7-17 MOTOR_STARTUP1 Register Field Descriptions
BitFieldTypeResetDescription
31RESERVEDR/W0h Reserved
30-29MTR_STARTUPR/W0h Motor start-up options
0h = Align
1h = Double Align
2h = IPD
3h = Slow first cycle
28-25ALIGN_SLOW_RAMP_RATER/W0h Align, slow first cycle and open loop current ramp rate
0h = 0.1 A/s
1h = 1 A/s
2h = 5 A/s
3h = 10 A/s
4h = 15 A/s
5h = 25 A/s
6h = 50 A/s
7h = 100 A/s
8h = 150 A/s
9h = 200 A/s
Ah = 250 A/s
Bh = 500 A/s
Ch = 1000 A/s
Dh = 2000 A/s
Eh = 5000 A/s
Fh = No Limit A/s
24-21ALIGN_TIMER/W0h Align time
0h = 10 ms
1h = 50 ms
2h = 100 ms
3h = 200 ms
4h = 300 ms
5h = 400 ms
6h = 500 ms
7h = 750 ms
8h = 1 S
9h = 1.5 S
Ah = 2 S
Bh = 3 S
Ch = 4 S
Dh = 5 S
Eh = 7.5 S
Fh = 10 S
20-17ALIGN_OR_SLOW_CURRENT_ILIMITR/W0h Align or slow first cycle current limit (A)
0h = 0.078125 A
1h = 0.15625 A
2h = 0.3125 A
3h = 0.625 A
4h = 0.9375 A
5h = 1.25 A
6h = 1.5625 A
7h = 1.875 A
8h = 2.1875 A
9h = 2.5 A
Ah = 2.8125 A
Bh = 3.125 A
Ch = 3.4375 A
Dh = 3.75 A
Eh = Reserved
Fh = Reserved
16-14IPD_CLK_FREQR/W0h IPD Clock Frequency
0h = 50 Hz
1h = 100 Hz
2h = 250 Hz
3h = 500 Hz
4h = 1000 Hz
5h = 2000 Hz
6h = 5000 Hz
7h = 10000 Hz
13-9IPD_CURR_THRR/W0h IPD Current Threshold (A)
0h = 0.15625 A
1h = 0.3125 A
2h = 0.468 A
3h = 00.625 A
4h = 0.78125 A
5h = 0.9375 A
6h = 1.25 A
7h = 1.5625 A
8h = 1.875 A
9h = 2.291 A
Ah = 2.5 A
Bh = 2.916 A
Ch = 3.125 A
Dh = 3.333 A
Eh = 3.75 A
Fh = 4.166 A
10h = 4.583 A
11h = 5 A
12h = Reserved
13h = Reserved
14h = Reserved
15h = Reserved
16h = Reserved
17h = Reserved
18h = Reserved
19h = Reserved
1Ah = Reserved
1Bh = Reserved
1Ch = Reserved
1Dh = Reserved
1Eh = Reserved
1Fh = Reserved
8IPD_RLS_MODER/W0h IPD release mode
0h = Brake
1h = Tristate
7-6IPD_ADV_ANGLER/W0h IPD advance angle
0h = 0 deg
1h = 30 deg
2h = 60 deg
3h = 90 deg
5-4IPD_REPEATR/W0h Number of times IPD is executed
0h = 1 time
1h = average of 2 times
2h = average of 3 times
3h = average of 4 times
3OL_ILIMIT_CONFIGR/W0h Open loop current limit configuration
0h = Open loop current limit defined by OL_ILIMIT
1h = Open loop current limit defined by ILIMIT
2IQ_RAMP_ENR/W0h Iq ramp down after transition to close loop enable
0h = Disable Iq ramp down
1h = Enable Iq ramp down
1ACTIVE_BRAKE_ENR/W0h Enables active braking during deceleration
0h = Disable Active Brake Reverse Drive
1h = Enable Active Brake Reverse Drive
0REV_DRV_CONFIGR/W0h Chooses between forward and reverse drive setting for reverse drive
0h = Open loop current, A1, A2 based on forward drive
1h = Open loop current, A1, A2 based on reverse drive

7.7.1.4 MOTOR_STARTUP2 Register (Offset = 86h) [Reset = 00000000h]

MOTOR_STARTUP2 is shown in Figure 7-62 and described in Table 7-18.

Return to the Summary Table.

Register to configure motor startup settings2

Figure 7-62 MOTOR_STARTUP2 Register
3130292827262524
RESERVEDOL_ILIMITOL_ACC_A1
R/W-0hR/W-0hR/W-0h
2322212019181716
OL_ACC_A1OL_ACC_A2AUTO_HANDOFF_ENOPN_CL_HANDOFF_THR
R/W-0hR/W-0hR/W-0hR/W-0h
15141312111098
OPN_CL_HANDOFF_THRALIGN_ANGLE
R/W-0hR/W-0h
76543210
SLOW_FIRST_CYC_FREQFIRST_CYCLE_FREQ_SELTHETA_ERROR_RAMP_RATE
R/W-0hR/W-0hR/W-0h
Table 7-18 MOTOR_STARTUP2 Register Field Descriptions
BitFieldTypeResetDescription
31RESERVEDR/W0h Reserved
30-27OL_ILIMITR/W0h Open Loop current limit (A)
0h = 0.078125 A
1h = 0.15625 A
2h = 0.3125 A
3h = 0.625 A
4h = 0.9375 A
5h = 1.25 A
6h = 1.5625 A
7h = 1.875 A
8h = 2.1875 A
9h = 2.5 A
Ah = 2.8125 A
Bh = 3.125 A
Ch = 3.4375 A
Dh = 3.75 A
Eh = Reserved
Fh = Reserved
26-23OL_ACC_A1R/W0h Open loop acceleration coefficient A1
0h = 0.01 Hz/s
1h = 0.05 Hz/s
2h = 1 Hz/s
3h = 2.5 Hz/s
4h = 5 Hz/s
5h = 10 Hz/s
6h = 25 Hz/s
7h = 50 Hz/s
8h = 75 Hz/s
9h = 100 Hz/s
Ah = 250 Hz/s
Bh = 500 Hz/s
Ch = 750 Hz/s
Dh = 1000 Hz/s
Eh = 5000 Hz/s
Fh = 10000 Hz/s
22-19OL_ACC_A2R/W0h Open loop acceleration coefficient A2
0h = 0.0 Hz/s2
1h = 0.05 Hz/s2
2h = 1 Hz/s2
3h = 2.5 Hz/s2
4h = 5 Hz/s2
5h = 10 Hz/s2
6h = 25 Hz/s2
7h = 50 Hz/s2
8h = 75 Hz/s2
9h = 100 Hz/s2
Ah = 250 Hz/s2
Bh = 500 Hz/s2
Ch = 750 Hz/s2
Dh = 1000 Hz/s2
Eh = 5000 Hz/s2
Fh = 10000 Hz/s2
18AUTO_HANDOFF_ENR/W0h Auto Handoff Enable
0h = Disable Auto Handoff (and use OPN_CL_HANDOFF_THR)
1h = Enable Auto Handoff
17-13OPN_CL_HANDOFF_THRR/W0h Open to Close loop Handoff Threshold (% of MAX_SPEED)
0h = 1%
1h = 2%
2h = 3%
3h = 4%
4h = 5%
5h = 6%
6h = 7%
7h = 8%
8h = 9%
9h = 10%
Ah = 11%
Bh = 12%
Ch = 13%
Dh = 14%
Eh = 15%
Fh = 16%
10h = 17%
11h = 18%
12h = 19%
13h = 20%
14h = 22.5%
15h = 25%
16h = 27.5%
17h = 30%
18h = 32.5%
19h = 35%
1Ah = 37.5%
1Bh = 40%
1Ch = 42.5%
1Dh = 45%
1Eh = 47.5%
1Fh = 50%
12-8ALIGN_ANGLER/W0h Align Angle
0h = 0 deg
1h = 10 deg
2h = 20 deg
3h = 30 deg
4h = 45 deg
5h = 60 deg
6h = 70 deg
7h = 80 deg
8h = 90 deg
9h = 110 deg
Ah = 120 deg
Bh = 135 deg
Ch = 150 deg
Dh = 160 deg
Eh = 170 deg
Fh = 180 deg
10h = 190 deg
11h = 210 deg
12h = 225 deg
13h = 240 deg
14h = 250 deg
15h = 260 deg
16h = 270 deg
17h = 280 deg
18h = 290 deg
19h = 315 deg
1Ah = 330 deg
1Bh = 340 deg
1Ch = 350 deg
1Dh = Reserved
1Eh = Reserved
1Fh = Reserved
7-4SLOW_FIRST_CYC_FREQR/W0h Frequency of first cycle in close loop start-up (% of MAX_SPEED)
0h = 1%
1h = 2%
2h = 3%
3h = 5%
4h = 7.5%
5h = 10%
6h = 12.5%
7h = 15%
8h = 17.5%
9h = 20%
Ah = 25%
Bh = 30%
Ch = 35%
Dh = 40%
Eh = 45%
Fh = 50%
3FIRST_CYCLE_FREQ_SELR/W0h First cycle frequency in open loop for align, double align and IPD start-up options
0h = 0 Hz
1h = Defined by SLOW_FIRST_CYC_FREQ
2-0THETA_ERROR_RAMP_RATER/W0h Ramp rate for reducing difference between estimated theta and open loop theta (deg/ms)
0h = 0.01 deg/ms
1h = 0.05 deg/ms
2h = 0.1 deg/ms
3h = 0.15 deg/ms
4h = 0.2 deg/ms
5h = 0.5 deg/ms
6h = 1 deg/ms
7h = 2 deg/ms

7.7.1.5 CLOSED_LOOP1 Register (Offset = 88h) [Reset = 00000000h]

CLOSED_LOOP1 is shown in Figure 7-63 and described in Table 7-19.

Return to the Summary Table.

Register to configure close loop settings1

Figure 7-63 CLOSED_LOOP1 Register
3130292827262524
RESERVEDOVERMODULATION_ENABLECL_ACCCL_DEC_CONFIG
R/W-0hR/W-0hR/W-0hR/W-0h
2322212019181716
CL_DECPWM_FREQ_OUT
R/W-0hR/W-0h
15141312111098
PWM_FREQ_OUTPWM_MODEFG_SELFG_DIV
R/W-0hR/W-0hR/W-0hR/W-0h
76543210
FG_CONFIGFG_BEMF_THRAVS_ENDEADTIME_COMP_ENSPEED_LOOP_DISLOW_SPEED_RECIRC_BRAKE_EN
R/W-0hR/W-0hR/W-0hR/W-0hR/W-0hR/W-0h
Table 7-19 CLOSED_LOOP1 Register Field Descriptions
BitFieldTypeResetDescription
31RESERVEDR/W0h Reserved
30OVERMODULATION_ENABLER/W0h Enables Over modulation
0h = Disable Over Modulation
1h = Enable Over Modulation
29-25CL_ACCR/W0h Closed loop acceleration ( Hz / sec)
0h = 0.5 Hz/s
1h = 1 Hz/s
2h = 2.5 Hz/s
3h = 5 Hz/s
4h = 7.5 Hz/s
5h = 10 Hz/s
6h = 20 Hz/s
7h = 40 Hz/s
8h = 60 Hz/s
9h = 80 Hz/s
Ah = 100 Hz/s
Bh = 200 Hz/s
Ch = 300 Hz/s
Dh = 400 Hz/s
Eh = 500 Hz/s
Fh = 600 Hz/s
10h = 700 Hz/s
11h = 800 Hz/s
12h = 900 Hz/s
13h = 1000 Hz/s
14h = 2000 Hz/s
15h = 4000 Hz/s
16h = 6000 Hz/s
17h = 8000 Hz/s
18h = 10000 Hz/s
19h = 20000 Hz/s
1Ah = 30000 Hz/s
1Bh = 40000 Hz/s
1Ch = 50000 Hz/s
1Dh = 60000 Hz/s
1Eh = 70000 Hz/s
1Fh = No limit
24CL_DEC_CONFIGR/W0h Closed loop deceleration configuration
0h = Closed loop deceleration defined by CL_DEC
1h = Closed loop deceleration defined by CL_ACC
23-19CL_DECR/W0h Closed loop deceleration. This register is used only if AVS is disabled and CL_DEC_CONFIG is set to '0'
0h = 0.5 Hz/s
1h = 1 Hz/s
2h = 2.5 Hz/s
3h = 5 Hz/s
4h = 7.5 Hz/s
5h = 10 Hz/s
6h = 20 Hz/s
7h = 40 Hz/s
8h = 60 Hz/s
9h = 80 Hz/s
Ah = 100 Hz/s
Bh = 200 Hz/s
Ch = 300 Hz/s
Dh = 400 Hz/s
Eh = 500 Hz/s
Fh = 600 Hz/s
10h = 700 Hz/s
11h = 800 Hz/s
12h = 900 Hz/s
13h = 1000 Hz/s
14h = 2000 Hz/s
15h = 4000 Hz/s
16h = 6000 Hz/s
17h = 8000 Hz/s
18h = 10000 Hz/s
19h = 20000 Hz/s
1Ah = 30000 Hz/s
1Bh = 40000 Hz/s
1Ch = 50000 Hz/s
1Dh = 60000 Hz/s
1Eh = 70000 Hz/s
1Fh = No limit
18-15PWM_FREQ_OUTR/W0h PWM output frequency
0h = 10 kHz
1h = 15 kHz
2h = 20 kHz
3h = 25 kHz
4h = 30 kHz
5h = 35 kHz
6h = 40 kHz
7h = 45 kHz
8h = 50 kHz
9h = 55 kHz
Ah = 60 kHz
Bh = 65 kHz
Ch = 70 kHz
Dh = 75 kHz
Eh = Reserved
Fh = Reserved
14PWM_MODER/W0h PWM modulation
0h = Continuous Space Vector Modulation
1h = Discontinuous Space Vector Modulation
13-12FG_SELR/W0h FG select
0h = Output FG in open loop and closed loop
1h = Output FG in only closed loop
2h = Output FG in open loop for the first try.
3h = Not Defined
11-8FG_DIVR/W0h FG Division factor
0h = Divide by 1 (2-pole motor mechanical speed)
1h = Divide by 1 (2-pole motor mechanical speed)
2h = Divide by 2 (4-pole motor mechanical speed)
3h = Divide by 3 (6-pole motor mechanical speed)
4h = Divide by 4 (8-pole motor mechanical speed) ...
Fh = Divide by 15 (30-pole motor mechanical speed)
7FG_CONFIGR/W0h FG output configuration
0h = FG active as long as motor is driven
1h = FG active till BEMF drops below BEMF threshold defined by FG_BEMF_THR
6-4FG_BEMF_THRR/W0h FG output BEMF threshold
0h = +/- 1mV
1h = +/- 2mV
2h = +/- 5mV
3h = +/- 10mV
4h = +/- 20mV
5h = +/- 30mV
6h = Reserved
7h = Reserved
3AVS_ENR/W0h AVS enable
0h = Disable
1h = Enable
2DEADTIME_COMP_ENR/W0h Deadtime compensation enable
0h = Disable
1h = Enable
1SPEED_LOOP_DISR/W0h Speed Loop Disable
0h = Enable
1h = Disable
0LOW_SPEED_RECIRC_BRAKE_ENR/W0h Stop mode applied when stop mode is recirculation brake and motor running in align or open loop
0h = Hi-Z
1h = Low Side Brake

7.7.1.6 CLOSED_LOOP2 Register (Offset = 8Ah) [Reset = X]

CLOSED_LOOP2 is shown in Figure 7-64 and described in Table 7-20.

Return to the Summary Table.

Register to configure close loop settings2

Figure 7-64 CLOSED_LOOP2 Register
3130292827262524
RESERVEDMTR_STOPMTR_STOP_BRK_TIME
R/W-0hR/W-0hR/W-0h
2322212019181716
ACT_SPIN_THRBRAKE_SPEED_THRESHOLD
R/W-0hR/W-0h
15141312111098
MOTOR_RES
R/W-X
76543210
MOTOR_IND
R/W-X
Table 7-20 CLOSED_LOOP2 Register Field Descriptions
BitFieldTypeResetDescription
31RESERVEDR/W0h Reserved
30-28MTR_STOPR/W0h Motor stop options
0h = Hi-z
1h = Reserved
2h = Low side braking
3h = High side braking
4h = Active spin down
5h = Align braking
6h = Not Defined
7h = Not Defined
27-24MTR_STOP_BRK_TIMER/W0h Brake time during motor stop
0h = 1 ms
1h = 1 ms
2h = 1 ms
3h = 1 ms
4h = 1 ms
5h = 5 ms
6h = 10 ms
7h = 50 ms
8h = 100 ms
9h = 250 ms
Ah = 500 ms
Bh = 1000 ms
Ch = 2500 ms
Dh = 5000 ms
Eh = 10000 ms
Fh = 15000 ms
23-20ACT_SPIN_THRR/W0h Speed threshold for active spin down (% of MAX_SPEED)
0h = 100 %
1h = 90 %
2h = 80 %
3h = 70 %
4h = 60%
5h = 50 %
6h = 45 %
7h = 40 %
8h = 35 %
9h = 30 %
Ah = 25 %
Bh = 20 %
Ch = 15 %
Dh = 10 %
Eh = 5 %
Fh = 2.5 %
19-16BRAKE_SPEED_THRESHOLDR/W0h Speed threshold for BRAKE pin and Motor stop options (Low side Braking or High Side Braking or Align Braking) (% of MAX_SPEED)
0h = 100 %
1h = 90 %
2h = 80 %
3h = 70 %
4h = 60%
5h = 50 %
6h = 45 %
7h = 40 %
8h = 35 %
9h = 30 %
Ah = 25 %
Bh = 20 %
Ch = 15 %
Dh = 10 %
Eh = 5 %
Fh = 2.5 %
15-8MOTOR_RESR/WX 8-bit values for motor phase resistance. See Table 7-2 for values of phase resistance
7-0MOTOR_INDR/WX 8-bit values for motor phase inductance. See Table 7-3 for values of phase inductance

7.7.1.7 CLOSED_LOOP3 Register (Offset = 8Ch) [Reset = X]

CLOSED_LOOP3 is shown in Figure 7-65 and described in Table 7-21.

Return to the Summary Table.

Register to configure close loop settings3

Figure 7-65 CLOSED_LOOP3 Register
3130292827262524
RESERVEDMOTOR_BEMF_CONST
R/W-0hR/W-X
2322212019181716
MOTOR_BEMF_CONSTCURR_LOOP_KP
R/W-XR/W-0h
15141312111098
CURR_LOOP_KPCURR_LOOP_KI
R/W-0hR/W-0h
76543210
CURR_LOOP_KISPD_LOOP_KP
R/W-0hR/W-0h
Table 7-21 CLOSED_LOOP3 Register Field Descriptions
BitFieldTypeResetDescription
31RESERVEDR/W0h Reserved
30-23MOTOR_BEMF_CONSTR/WX 8-bit values for motor BEMF Constant. See Table 7-4 for values of BEMF constant
22-13CURR_LOOP_KPR/W0h 10-bit value for current Iq and Id loop Kp. Kp = 8LSB of CURR_LOOP_KP / 10^2MSB of CURR_LOOP_KP. Please make 0 for auto calculation of current Kp and Ki
12-3CURR_LOOP_KIR/W0h 10-bit value for current Iq and Id loop Ki. Ki = 1000 * 8LSB of CURR_LOOP_KI / 10^2MSB of CURR_LOOP_KI. Please make 0 for auto calculation of current Kp and Ki
2-0SPD_LOOP_KPR/W0h 3 MSB bits for speed loop Kp. Kp = 0.01 * 8LSB of SPD_LOOP_KP / 10^2MSB of SPD_LOOP_KP

7.7.1.8 CLOSED_LOOP4 Register (Offset = 8Eh) [Reset = X]

CLOSED_LOOP4 is shown in Figure 7-66 and described in Table 7-22.

Return to the Summary Table.

Register to configure close loop settings4

Figure 7-66 CLOSED_LOOP4 Register
3130292827262524
RESERVEDSPD_LOOP_KP
R/W-0hR/W-0h
2322212019181716
SPD_LOOP_KI
R/W-0h
15141312111098
SPD_LOOP_KIMAX_SPEED
R/W-0hR/W-X
76543210
MAX_SPEED
R/W-X
Table 7-22 CLOSED_LOOP4 Register Field Descriptions
BitFieldTypeResetDescription
31RESERVEDR/W0h Reserved
30-24SPD_LOOP_KPR/W0h 7 LSB bits for speed loop Kp. Kp = 0.01 * 8LSB of SPD_LOOP_KP / 10^2MSB of SPD_LOOP_KP
23-14SPD_LOOP_KIR/W0h 10 bit value for speed loop Ki. Ki = 0.1 * 8LSB of SPD_LOOP_KI / 10^2MSB of SPD_LOOP_KI
13-0MAX_SPEEDR/WX 14-bit value for setting maximum value of Speed in electrical Hz Maximum motor electrical speed (Hz): {MOTOR_SPEED/6} For example: if MOTOR_SPEED is 0x2710, then maximum motor speed (Hz) = 10000(0x2710)/6 = 1666 Hz

7.7.1.9 SPEED_PROFILES1 Register (Offset = 94h) [Reset = X]

SPEED_PROFILES1 is shown in Figure 7-67 and described in Table 7-23.

Return to the Summary Table.

Register to configure speed profile1

Figure 7-67 SPEED_PROFILES1 Register
3130292827262524
RESERVEDSPEED_PROFILE_CONFIGDUTY_ON1
R/W-0hR/W-0hR/W-X
2322212019181716
DUTY_ON1DUTY_OFF1
R/W-XR/W-X
15141312111098
DUTY_OFF1DUTY_CLAMP1
R/W-XR/W-X
76543210
DUTY_CLAMP1DUTY_A
R/W-XR/W-X
Table 7-23 SPEED_PROFILES1 Register Field Descriptions
BitFieldTypeResetDescription
31RESERVEDR/W0h Reserved
30-29SPEED_PROFILE_CONFIGR/W0h Configuration for speed profiles
0h = Speed Reference Mode
1h = Linear Mode
2h = Staircase Mode
3h = Forward Reverse Mode
28-21DUTY_ON1R/WX Duty_ON1 Configuration Turn On Duty Cycle (%) = {(DUTY_ON1/255)*100}
20-13DUTY_OFF1R/WX Duty_OFF1 Configuration Turn Off Duty Cycle (%) = {(DUTY_OFF1/255)*100}
12-5DUTY_CLAMP1R/WX Duty_CLAMP1 Configuration Duty Cycle for clamping speed (%) = {(DUTY_CLAMP1/255)*100}
4-0DUTY_AR/WX 5 MSB bits for Duty Cycle A

7.7.1.10 SPEED_PROFILES2 Register (Offset = 96h) [Reset = X]

SPEED_PROFILES2 is shown in Figure 7-68 and described in Table 7-24.

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Register to configure speed profile2

Figure 7-68 SPEED_PROFILES2 Register
3130292827262524
RESERVEDDUTY_ADUTY_B
R/W-0hR/W-XR/W-X
2322212019181716
DUTY_BDUTY_C
R/W-XR/W-X
15141312111098
DUTY_CDUTY_D
R/W-XR/W-X
76543210
DUTY_DDUTY_E
R/W-XR/W-0h
Table 7-24 SPEED_PROFILES2 Register Field Descriptions
BitFieldTypeResetDescription
31RESERVEDR/W0h Reserved
30-28DUTY_AR/WX 3 LSB bits for Duty Cycle A Duty_A Configuration Duty Cycle A (%) = {(DUTY_A/255)*100}
27-20DUTY_BR/WX Duty_B Configuration Duty Cycle B (%) = {(DUTY_B/255)*100}
19-12DUTY_CR/WX Duty_C Configuration Duty Cycle C (%) = {(DUTY_C/255)*100}
11-4DUTY_DR/WX Duty_D Configuration Duty Cycle D (%) = {(DUTY_D/255)*100}
3-0DUTY_ER/W0h 4 MSB bits for Duty Cycle E

7.7.1.11 SPEED_PROFILES3 Register (Offset = 98h) [Reset = X]

SPEED_PROFILES3 is shown in Figure 7-69 and described in Table 7-25.

Return to the Summary Table.

Register to configure speed profile3

Figure 7-69 SPEED_PROFILES3 Register
3130292827262524
RESERVEDDUTY_EDUTY_ON2
R/W-0hR/W-XR/W-X
2322212019181716
DUTY_ON2DUTY_OFF2
R/W-XR/W-X
15141312111098
DUTY_OFF2DUTY_CLAMP2
R/W-XR/W-X
76543210
DUTY_CLAMP2DUTY_HYSTRESERVED
R/W-XR/W-0hR/W-0h
Table 7-25 SPEED_PROFILES3 Register Field Descriptions
BitFieldTypeResetDescription
31RESERVEDR/W0h Reserved
30-27DUTY_ER/WX 4 LSB bits for Duty Cycle E Duty_E Configuration Duty Cycle E (%) = {(DUTY_E/255)*100}
26-19DUTY_ON2R/WX Duty_ON2 Configuration Turn On Duty Cycle (%) = {(DUTY_ON2/255)*100}
18-11DUTY_OFF2R/WX Duty_OFF2 Configuration Turn Off Duty Cycle (%) = {(DUTY_OFF2/255)*100}
10-3DUTY_CLAMP2R/WX Duty_CLAMP2 Configuration Duty Cycle for clamping speed (%) = {(DUTY_CLAMP1/255)*100}
2-1DUTY_HYSTR/W0h Duty hysteresis for speed reference mode
0h = 0%
1h = 0.5%
2h = 1%
3h = 2%
0RESERVEDR/W0h Reserved

7.7.1.12 SPEED_PROFILES4 Register (Offset = 9Ah) [Reset = X]

SPEED_PROFILES4 is shown in Figure 7-70 and described in Table 7-26.

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Register to configure speed profile4

Figure 7-70 SPEED_PROFILES4 Register
3130292827262524
RESERVEDSPEED_OFF1
R/W-0hR/W-X
2322212019181716
SPEED_OFF1SPEED_CLAMP1
R/W-XR/W-X
15141312111098
SPEED_CLAMP1SPEED_A
R/W-XR/W-X
76543210
SPEED_ASPEED_B
R/W-XR/W-X
Table 7-26 SPEED_PROFILES4 Register Field Descriptions
BitFieldTypeResetDescription
31RESERVEDR/W0h Reserved
30-23SPEED_OFF1R/WX Turn off speed Configuration Turn off speed (% of MAX_SPEED) = {(SPEED_OFF1/255)*100}
22-15SPEED_CLAMP1R/WX Clamp Speed Configuration Clamp Speed (% of MAX_SPEED) = {(SPEED_CLAMP1/255)*100}
14-7SPEED_AR/WX Speed A configuration SPEED A (% of MAX_SPEED) = {(SPEED_A/255)*100}
6-0SPEED_BR/WX 7 MSB of SPEED_B configuration

7.7.1.13 SPEED_PROFILES5 Register (Offset = 9Ch) [Reset = X]

SPEED_PROFILES5 is shown in Figure 7-71 and described in Table 7-27.

Return to the Summary Table.

Register to configure speed profile5

Figure 7-71 SPEED_PROFILES5 Register
3130292827262524
RESERVEDSPEED_BSPEED_C
R/W-0hR/W-XR/W-X
2322212019181716
SPEED_CSPEED_D
R/W-XR/W-X
15141312111098
SPEED_DSPEED_E
R/W-XR/W-X
76543210
SPEED_ERESERVED
R/W-XR/W-0h
Table 7-27 SPEED_PROFILES5 Register Field Descriptions
BitFieldTypeResetDescription
31RESERVEDR/W0h Reserved
30SPEED_BR/WX 1 LSB of SPEED_B configuration Speed B Configuration SPEED B(% of MAX_SPEED) = {(SPEED_B/255)*100}
29-22SPEED_CR/WX Speed C configuration SPEED C (% of MAX_SPEED) = {(SPEED_A/255)*100}
21-14SPEED_DR/WX Speed D configuration SPEED D (% of MAX_SPEED) = {(SPEED_D/255)*100}
13-6SPEED_ER/WX Speed E Configuration SPEED E(% of MAX_SPEED) = {(SPEED_E/255)*100}
5-0RESERVEDR/W0h Reserved

7.7.1.14 SPEED_PROFILES6 Register (Offset = 9Eh) [Reset = X]

SPEED_PROFILES6 is shown in Figure 7-72 and described in Table 7-28.

Return to the Summary Table.

Register to configure speed profile6

Figure 7-72 SPEED_PROFILES6 Register
3130292827262524
RESERVEDSPEED_OFF2
R/W-0hR/W-X
2322212019181716
SPEED_OFF2SPEED_CLAMP2
R/W-XR/W-X
15141312111098
SPEED_CLAMP2RESERVED
R/W-XR/W-X
76543210
RESERVED
R/W-X
Table 7-28 SPEED_PROFILES6 Register Field Descriptions
BitFieldTypeResetDescription
31RESERVEDR/W0h Reserved
30-23SPEED_OFF2R/WX Turn off speed Configuration Turn off speed (% of MAX_SPEED) = {(SPEED_OFF2/255)*100}
22-15SPEED_CLAMP2R/WX Clamp Speed Configuration Clamp Speed (% of MAX_SPEED) = {(SPEED_CLAMP2/255)*100}
14-0RESERVEDR/WX Reserved