ZHCSDA0E January   2015  – August 2018 MSP430FR6820 , MSP430FR6822 , MSP430FR68221 , MSP430FR6870 , MSP430FR6872 , MSP430FR68721 , MSP430FR6920 , MSP430FR6922 , MSP430FR69221 , MSP430FR6970 , MSP430FR6972 , MSP430FR69721

PRODUCTION DATA.  

  1. 1器件概述
    1. 1.1 特性
    2. 1.2 应用
    3. 1.3 说明
    4. 1.4 功能框图
  2. 2修订历史记录
  3. 3Device Comparison
    1. 3.1 Related Products
  4. 4Terminal Configuration and Functions
    1. 4.1 Pin Diagrams
    2. 4.2 Pin Attributes
    3. 4.3 Signal Descriptions
      1. Table 4-2 Signal Descriptions
    4. 4.4 Pin Multiplexing
    5. 4.5 Buffer Type
    6. 4.6 Connection of Unused Pins
  5. 5Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Active Mode Supply Current Into VCC Excluding External Current
    5. 5.5  Typical Characteristics - Active Mode Supply Currents
    6. 5.6  Low-Power Mode (LPM0, LPM1) Supply Currents Into VCC Excluding External Current
    7. 5.7  Low-Power Mode LPM2, LPM3, LPM4 Supply Currents (Into VCC) Excluding External Current
    8. 5.8  Low-Power Mode With LCD Supply Currents (Into VCC) Excluding External Current
    9. 5.9  Low-Power Mode LPMx.5 Supply Currents (Into VCC) Excluding External Current
    10. 5.10 Typical Characteristics, Low-Power Mode Supply Currents
    11. 5.11 Typical Characteristics, Current Consumption per Module
    12. 5.12 Thermal Resistance Characteristics
    13. 5.13 Timing and Switching Characteristics
      1. 5.13.1  Power Supply Sequencing
        1. Table 5-1 Brownout and Device Reset Power Ramp Requirements
        2. Table 5-2 SVS
      2. 5.13.2  Reset Timing
        1. Table 5-3 Reset Input
      3. 5.13.3  Clock Specifications
        1. Table 5-4 Low-Frequency Crystal Oscillator, LFXT
        2. Table 5-5 High-Frequency Crystal Oscillator, HFXT
        3. Table 5-6 DCO
        4. Table 5-7 Internal Very-Low-Power Low-Frequency Oscillator (VLO)
        5. Table 5-8 Module Oscillator (MODOSC)
      4. 5.13.4  Wake-up Characteristics
        1. Table 5-9  Wake-up Times From Low-Power Modes and Reset
        2. Table 5-10 Typical Wake-up Charge
        3. 5.13.4.1   Typical Characteristics, Average LPM Currents vs Wake-up Frequency
      5. 5.13.5  Digital I/Os
        1. Table 5-11 Digital Inputs
        2. Table 5-12 Digital Outputs
        3. 5.13.5.1   Typical Characteristics, Digital Outputs at 3.0 V and 2.2 V
        4. Table 5-13 Pin-Oscillator Frequency, Ports Px
        5. 5.13.5.2   Typical Characteristics, Pin-Oscillator Frequency
      6. 5.13.6  Timer_A and Timer_B
        1. Table 5-14 Timer_A
        2. Table 5-15 Timer_B
      7. 5.13.7  eUSCI
        1. Table 5-16 eUSCI (UART Mode) Clock Frequency
        2. Table 5-17 eUSCI (UART Mode)
        3. Table 5-18 eUSCI (SPI Master Mode) Clock Frequency
        4. Table 5-19 eUSCI (SPI Master Mode)
        5. Table 5-20 eUSCI (SPI Slave Mode)
        6. Table 5-21 eUSCI (I2C Mode)
      8. 5.13.8  Segment LCD Controller
        1. Table 5-22 LCD_C Recommended Operating Conditions
        2. Table 5-23 LCD_C Electrical Characteristics
      9. 5.13.9  ADC12
        1. Table 5-24 12-Bit ADC, Power Supply and Input Range Conditions
        2. Table 5-25 12-Bit ADC, Timing Parameters
        3. Table 5-26 12-Bit ADC, Linearity Parameters With External Reference
        4. Table 5-27 12-Bit ADC, Dynamic Performance for Differential Inputs With External Reference
        5. Table 5-28 12-Bit ADC, Dynamic Performance for Differential Inputs With Internal Reference
        6. Table 5-29 12-Bit ADC, Dynamic Performance for Single-Ended Inputs With External Reference
        7. Table 5-30 12-Bit ADC, Dynamic Performance for Single-Ended Inputs With Internal Reference
        8. Table 5-31 12-Bit ADC, Dynamic Performance With 32.768-kHz Clock
        9. Table 5-32 12-Bit ADC, Temperature Sensor and Built-In V1/2
        10. Table 5-33 12-Bit ADC, External Reference
      10. 5.13.10 REF Module
        1. Table 5-34 REF, Built-In Reference
      11. 5.13.11 Comparator
        1. Table 5-35 Comparator_E
      12. 5.13.12 FRAM Controller
        1. Table 5-36 FRAM
      13. 5.13.13 Emulation and Debug
        1. Table 5-37 JTAG and Spy-Bi-Wire Interface
  6. 6Detailed Description
    1. 6.1  Overview
    2. 6.2  CPU
    3. 6.3  Operating Modes
      1. 6.3.1 Peripherals in Low-Power Modes
      2. 6.3.2 Idle Currents of Peripherals in LPM3 and LPM4
    4. 6.4  Interrupt Vector Table and Signatures
    5. 6.5  Bootloader (BSL)
    6. 6.6  JTAG Operation
      1. 6.6.1 JTAG Standard Interface
      2. 6.6.2 Spy-Bi-Wire Interface
    7. 6.7  FRAM
    8. 6.8  RAM
    9. 6.9  Tiny RAM
    10. 6.10 Memory Protection Unit (MPU) Including IP Encapsulation
    11. 6.11 Peripherals
      1. 6.11.1  Digital I/O
      2. 6.11.2  Oscillator and Clock System (CS)
      3. 6.11.3  Power-Management Module (PMM)
      4. 6.11.4  Hardware Multiplier
      5. 6.11.5  Real-Time Clock (RTC_C)
      6. 6.11.6  Watchdog Timer (WDT_A)
      7. 6.11.7  System Module (SYS)
      8. 6.11.8  DMA Controller
      9. 6.11.9  Enhanced Universal Serial Communication Interface (eUSCI)
      10. 6.11.10 Timer_A TA0, Timer_A TA1
      11. 6.11.11 Timer_A TA2
      12. 6.11.12 Timer_A TA3
      13. 6.11.13 Timer_B TB0
      14. 6.11.14 ADC12_B
      15. 6.11.15 Comparator_E
      16. 6.11.16 CRC16
      17. 6.11.17 CRC32
      18. 6.11.18 AES256 Accelerator
      19. 6.11.19 True Random Seed
      20. 6.11.20 Shared Reference (REF_A)
      21. 6.11.21 LCD_C
      22. 6.11.22 Embedded Emulation
        1. 6.11.22.1 Embedded Emulation Module (EEM)
        2. 6.11.22.2 EnergyTrace++ Technology
      23. 6.11.23 Input/Output Diagrams
        1. 6.11.23.1  Digital I/O Functionality Port P1 to P7 and P9
        2. 6.11.23.2  Capacitive Touch Functionality on Port P1 to P7, P9, and PJ
        3. 6.11.23.3  Port P1 (P1.0 to P1.3) Input/Output With Schmitt Trigger
        4. 6.11.23.4  Port P1 (P1.4 to P1.7) Input/Output With Schmitt Trigger
        5. 6.11.23.5  Port P2 (P2.0 to P2.3) Input/Output With Schmitt Trigger
        6. 6.11.23.6  Port P3 (P3.0 to P3.7) Input/Output With Schmitt Trigger
        7. 6.11.23.7  Port P4 (P4.2 to P4.7) Input/Output With Schmitt Trigger
        8. 6.11.23.8  Port P5 (P5.4 to P5.7) Input/Output With Schmitt Trigger
        9. 6.11.23.9  Port P6 (P6.0 to P6.6) Input/Output With Schmitt Trigger
        10. 6.11.23.10 Port P7 (P7.0 to P7.4) Input/Output With Schmitt Trigger
        11. 6.11.23.11 Port P9 (P9.4 to P9.7) Input/Output With Schmitt Trigger
        12. 6.11.23.12 Port PJ (PJ.4 and PJ.5) Input/Output With Schmitt Trigger
        13. 6.11.23.13 Port PJ (PJ.6 and PJ.7) Input/Output With Schmitt Trigger
        14. 6.11.23.14 Port PJ (PJ.0 to PJ.3) JTAG Pins TDO, TMS, TCK, TDI/TCLK, Input/Output With Schmitt Trigger
    12. 6.12 Device Descriptors (TLV)
    13. 6.13 Memory
      1. 6.13.1 Peripheral File Map
    14. 6.14 Identification
      1. 6.14.1 Revision Identification
      2. 6.14.2 Device Identification
      3. 6.14.3 JTAG Identification
  7. 7Applications, Implementation, and Layout
    1. 7.1 Device Connection and Layout Fundamentals
      1. 7.1.1 Power Supply Decoupling and Bulk Capacitors
      2. 7.1.2 External Oscillator
      3. 7.1.3 JTAG
      4. 7.1.4 Reset
      5. 7.1.5 Unused Pins
      6. 7.1.6 General Layout Recommendations
      7. 7.1.7 Do's and Don'ts
    2. 7.2 Peripheral- and Interface-Specific Design Information
      1. 7.2.1 ADC12_B Peripheral
        1. 7.2.1.1 Partial Schematic
        2. 7.2.1.2 Design Requirements
        3. 7.2.1.3 Detailed Design Procedure
        4. 7.2.1.4 Layout Guidelines
      2. 7.2.2 LCD_C Peripheral
        1. 7.2.2.1 Partial Schematic
        2. 7.2.2.2 Design Requirements
        3. 7.2.2.3 Detailed Design Procedure
        4. 7.2.2.4 Layout Guidelines
  8. 8器件和文档支持
    1. 8.1  入门和后续步骤
    2. 8.2  器件命名规则
    3. 8.3  工具与软件
    4. 8.4  文档支持
    5. 8.5  相关链接
    6. 8.6  社区资源
    7. 8.7  商标
    8. 8.8  静电放电警告
    9. 8.9  出口管制提示
    10. 8.10 术语表
  9. 9机械、封装和可订购信息

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

4.3 Signal Descriptions

Table 4-2 describes the signals.

Table 4-2 Signal Descriptions

FUNCTION SIGNAL NAME FR692x(1), FR682x(1) FR697x(1), FR687x(1) SIGNAL TYPE DESCRIPTION
PM, RGC DGG PM, RGC
PIN NO. LCD SEG PIN NO. LCD SEG PIN NO. LCD SEG
ADC A0 44 47 44 I Analog input A0
A1 43 46 43 I Analog input A1
A2 42 45 42 I Analog input A2
A3 41 44 41 I Analog input A3
A12 45 48 45 I Analog input A12
A13 46 49 46 I Analog input A13
A14 47 50 47 I Analog input A14
A15 48 51 48 I Analog input A15
VREF+ 43 46 43 O Output of positive reference voltage
VREF- 44 47 44 O Output of negative reference voltage
VeREF+ 43 46 43 I Input for an external positive reference voltage to the ADC
VeREF- 44 47 44 I Input for an external negative reference voltage to the ADC
BSL (I2C) BSL_CLK 5 10 5 I BSL clock (I2C BSL)
BSL_DAT 4 9 4 I/O BSL data (I2C BSL)
BSL (UART) BSL_RX 32 35 32 I BSL receive (UART BSL)
BSL_TX 33 36 33 O BSL transmit (UART BSL)
Clock ACLK 23
35		 26
38		 23
35		 O ACLK output
HFXIN 55 I Input terminal of crystal oscillator XT2
HFXOUT 54 O Output terminal for crystal oscillator XT2
LFXIN 51 54 51 I Input terminal for crystal oscillator XT1
LFXOUT 52 55 52 O Output terminal of crystal oscillator XT1
MCLK 22 25 22 O MCLK output
RTCCLK 31
44		 34
47		 31
44		 O RTC clock output for calibration
SMCLK 21
38		 24
41		 21
38		 O SMCLK output
Comparator C0 44 47 44 I Comparator input C0
C1 43 46 43 I Comparator input C1
C2 42 45 42 I Comparator input C2
C3 41 44 41 I Comparator input C3
C12 45 48 45 I Comparator input C12
C13 46 49 46 I Comparator input C13
C14 47 50 47 I Comparator input C14
C15 48 51 48 I Comparator input C15
COUT 9
24
42
43		 14
27
45
46		 9
24
42
43		 O Comparator output
Debug SBWTCK 19 22 19 I Spy-Bi-Wire input clock
SBWTDIO 20 23 20 I/O Spy-Bi-Wire data input/output
SRCPUOFF 24 27 24 O Low-power debug: CPU status register CPUOFF
SROSCOFF 23 26 23 O Low-power debug: CPU status register OSCOFF
SRSCG0 22 25 22 O Low-power debug: CPU status register SCG0
SRSCG1 21 24 21 O Low-power debug: CPU status register SCG1
TCK 24 27 24 I Test clock
TCLK 22 25 22 I Test clock input
TDI 22 25 22 I Test data input
TDO 21 24 21 O Test data output port
TEST 19 22 19 I Test mode pin - select digital I/O on JTAG pins
TMS 23 26 23 I Test mode select
DMA DMAE0 32
44		 35
47		 32
44		 I DMA external trigger input
GPIO P1.0 44 47 44 I/O General-purpose digital I/O
P1.1 43 46 43 I/O General-purpose digital I/O
P1.2 42 45 42 I/O General-purpose digital I/O
P1.3 41 44 41 I/O General-purpose digital I/O
P1.4 2 7 2 I/O General-purpose digital I/O
P1.5 3 8 3 I/O General-purpose digital I/O
P1.6 4 9 4 I/O General-purpose digital I/O
P1.7 5 10 5 I/O General-purpose digital I/O
P2.0 33 36 33 I/O General-purpose digital I/O
P2.1 32 35 32 I/O General-purpose digital I/O
P2.2 31 34 31 I/O General-purpose digital I/O
P2.3 30 33 30 I/O General-purpose digital I/O
P3.0 14 19 14 I/O General-purpose digital I/O
P3.1 15 20 15 I/O General-purpose digital I/O
P3.2 16 21 16 I/O General-purpose digital I/O
P3.3 25 28 25 I/O General-purpose digital I/O
P3.4 26 29 26 I/O General-purpose digital I/O
P3.5 27 30 27 I/O General-purpose digital I/O
P3.6 28 31 28 I/O General-purpose digital I/O
P3.7 29 32 29 I/O General-purpose digital I/O
GPIO P4.2 64 64 I/O General-purpose digital I/O
P4.3 1 1 I/O General-purpose digital I/O
P4.4 58 1 58 I/O General-purpose digital I/O
P4.5 59 2 59 I/O General-purpose digital I/O
P4.6 60 3 60 I/O General-purpose digital I/O
P4.7 61 4 61 I/O General-purpose digital I/O
P5.4 54 I/O General-purpose digital I/O
P5.5 55 I/O General-purpose digital I/O
P5.6 56 I/O General-purpose digital I/O
P5.7 57 57 I/O General-purpose digital I/O
P6.0 7 12 7 I/O General-purpose digital I/O
P6.1 8 13 8 I/O General-purpose digital I/O
P6.2 9 14 9 I/O General-purpose digital I/O
P6.3 10 15 10 I/O General-purpose digital I/O
P6.4 11 16 11 I/O General-purpose digital I/O
P6.5 12 17 12 I/O General-purpose digital I/O
P6.6 13 18 13 I/O General-purpose digital I/O
P7.0 34 37 34 I/O General-purpose digital I/O
P7.1 35 38 35 I/O General-purpose digital I/O
P7.2 36 39 36 I/O General-purpose digital I/O
P7.3 37 40 37 I/O General-purpose digital I/O
P7.4 38 41 38 I/O General-purpose digital I/O
P9.4 45 48 45 I/O General-purpose digital I/O
P9.5 46 49 46 I/O General-purpose digital I/O
P9.6 47 50 47 I/O General-purpose digital I/O
P9.7 48 51 48 I/O General-purpose digital I/O
PJ.0 21 24 21 I/O General-purpose digital I/O
PJ.1 22 25 22 I/O General-purpose digital I/O
PJ.2 23 26 23 I/O General-purpose digital I/O
PJ.3 24 27 24 I/O General-purpose digital I/O
PJ.4 51 54 51 I/O General-purpose digital I/O
PJ.5 52 55 52 I/O General-purpose digital I/O
PJ.6 55 I/O General-purpose digital I/O
PJ.7 54 I/O General-purpose digital I/O
I2C UCB0SCL 5 10 5 I/O USCI_B0: I2C clock (I2C mode)
UCB0SDA 4 9 4 I/O USCI_B0: I2C data (I2C mode)
UCB1SCL 16
61		 21
4		 16
61		 I/O USCI_B1: I2C clock (I2C mode)
UCB1SDA 15
60		 20
3		 15
60		 I/O USCI_B1: I2C data (I2C mode)
LCD COM0 10 15 10 O LCD common output COM0 for LCD backplane
COM1 11 16 11 O LCD common output COM1 for LCD backplane
COM2 12 17 12 O LCD common output COM2 for LCD backplane
COM3 13 18 13 O LCD common output COM3 for LCD backplane
LCDCAP 6 11 6 I LCD capacitor connection
LCDREF 8 13 8 I External reference voltage input for regulated LCD voltage
R03 9 14 9 I/O Input/output port of lowest analog LCD voltage (V5)
R13 8 13 8 I/O Input/output port of third most positive analog LCD voltage (V3 or V4)
R23 7 12 7 I/O Input/output port of second most positive analog LCD voltage (V2)
R33 6 11 6 I/O Input/output port of most positive analog LCD voltage (V1)
LCD Sz 1 S4 O LCD segment output (package specific)
64 S5 O
5 S0 10 S0 5 S0 O
4 S1 9 S1 4 S1 O
3 S2 8 S2 3 S2 O
2 S3 7 S3 2 S3 O
61 S4 4 S4 61 S6 O
60 S5 3 S5 60 S7 O
59 S6 2 S6 59 S8 O
58 S7 1 S7 58 S9 O
57 S8 57 S10 O
56 S9 O
55 S10 O
54 S11 O
38 S12 41 S8 38 S11 O
37 S13 40 S9 37 S12 O
36 S14 39 S10 36 S13 O
35 S15 38 S11 35 S14 O
34 S16 37 S12 34 S15 O
33 S17 36 S13 33 S16 O
32 S18 35 S14 32 S17 O
31 S19 34 S15 31 S18 O
30 S20 33 S16 30 S19 O
29 S21 32 S17 29 S20 O
28 S22 31 S18 28 S21 O
27 S23 30 S19 27 S22 O
26 S24 29 S20 26 S23 O
25 S25 28 S21 25 S24 O
16 S26 21 S22 16 S25 O
15 S27 20 S23 15 S26 O
14 S28 19 S24 14 S27 O
13 S29 18 S25 13 S28 O
12 S30 17 S26 12 S29 O
11 S31 16 S27 11 S30 O
Power AVCC1 49 52 49 P Analog power supply
AVSS1 50 53 50 P Analog ground supply
AVSS2 53 56 53 P Analog ground supply
AVSS3 56 P Analog ground supply
DVCC1 18 18 P Digital power supply
DVCC2 40 43 40 P Digital power supply
DVCC3 63 6 63 P Digital power supply
DVSS1 17 17 P Digital ground supply
DVSS2 39 42 39 P Digital ground supply
DVSS3 62 5 62 P Digital ground supply
SPI UCA0CLK 3
31		 8
34		 3
31		 I/O USCI_A0: Clock signal input (SPI slave mode), Clock signal output (SPI master mode)
UCA0SIMO 33
64		 36 33
64		 I/O USCI_A0: Slave in, master out (SPI mode)
UCA0SOMI 1
32		 35 1
32		 I/O USCI_A0: Slave out, master in (SPI mode)
UCA0STE 2
30		 7
33		 2
30		 I/O USCI_A0: Slave transmit enable (SPI mode)
UCA1CLK 28
56		 31 28 I/O USCI_A1: Clock signal input (SPI slave mode), Clock signal output (SPI master mode)
UCA1SIMO 26
54		 29 26 I/O USCI_A1: Slave in, master out (SPI mode)
UCA1SOMI 27
55		 30 27 I/O USCI_A1: Slave out, master in (SPI mode)
UCA1STE 29
57		 32 29
57		 I/O USCI_A1: Slave transmit enable (SPI mode)
UCB0CLK 2 7 2 I/O USCI_B0: Clock signal input (SPI slave mode), Clock signal output (SPI master mode)
UCB0SIMO 4 9 4 I/O USCI_B0: Slave in, master out (SPI mode)
UCB0SOMI 5 10 5 I/O USCI_B0: Slave out, master in (SPI mode)
UCB0STE 3 8 3 I/O USCI_B0: Slave transmit enable (SPI mode)
UCB1CLK 14
59
64		 19
2		 14
59
64		 I/O USCI_B1: Clock signal input (SPI slave mode), Clock signal output (SPI master mode)
UCB1SIMO 60
15		 3
20		 60
15		 I/O USCI_B1: Slave in, master out (SPI mode)
UCB1SOMI 16
61		 21
4		 16
61		 I/O USCI_B1: Slave out, master in (SPI mode)
UCB1STE 1
58		 1 1
58		 I/O USCI_B1: Slave transmit enable (SPI mode)
System NMI 20 23 20 I Nonmaskable interrupt input
RST 20 23 20 I Reset input active low
Timer_A TA0.0 3
35		 8
38		 3
35		 I/O Timer_A TA0 CCR0 capture: CCI0A input, compare: Out0 output
TA0.1 4
36
44		 9
39
47		 4
36
44		 I/O Timer_A TA0 CCR1 capture: CCI1A input, compare: Out1 output
TA0.2 5
37
43		 10
40
46		 5
37
43		 I/O Timer_A TA0 CCR2 capture: CCI2A input, compare: Out2 output
TA0CLK 34
42		 37
45		 34
42		 I Timer_A TA0 clock signal TA0CLK input
TA1.0 2
59		 7
2		 2
59		 I/O Timer_A TA1 CCR0 capture: CCI0A input, compare: Out0 output
TA1.1 25
42
60		 28
45
3		 25
42
60		 I/O Timer_A TA1 CCR1 capture: CCI1A input, compare: Out1 output
TA1.2 41
61		 44
4		 41
61		 I/O Timer_A TA1 CCR2 capture: CCI2A input, compare: Out2 output
TA1CLK 43
58		 46
1		 43
58		 I Timer_A TA1 clock signal TA1CLK input
TA3.2 19 14 I/O Timer_A TA3 CCR2 capture: CCI2B input, compare: Out2 output
(Note: Not available for FR692x and FR682x 64-pin package. Internally tied to DVSS when TA3 is selected)
TA3.3 20 15 I/O Timer_A TA3 CCR3 capture: CCI3B input, compare: Out3 output
(Note: Not available for FR692x and FR682x 64-pin package. Internally tied to DVSS when TA3 is selected)
TA3.4 21 16 I/O Timer_A TA3 CCR4 capture: CCI4B input, compare: Out4 output
(Note: Not available for FR692x and FR682x 64-pin package. Internally tied to DVSS when TA3 is selected)
Timer_B TB0.0 11
26		 16
29		 11
26		 I/O Timer_B TB0 CCR0 capture: CCI0B input, compare: Out0 output
TB0.1 12
27		 17
30		 12
27		 I/O Timer_B TB0 CCR1 capture: CCI1A input, compare: Out1 output
TB0.2 13
28		 18
31		 13
28		 I/O Timer_B TB0 CCR2 capture: CCI2A input, compare: Out2 output
TB0.3 29 32 29 I/O Timer_B TB0 CCR3 capture: CCI3B input, compare: Out3 output
TB0.4 31 34 31 I/O Timer_B TB0 CCR4 capture: CCI4B input, compare: Out4 output
TB0.5 32 35 32 I/O Timer_B TB0 CCR5 capture: CCI5B input, compare: Out5 output
TB0.6 33 36 33 I/O Timer_B TB0 CCR6 capture: CCI6B input, compare: Out6 output
TB0CLK 25
33
57		 28
36		 25
33
57		 I Timer_B TB0 clock signal TB0CLK input
TB0OUTH 21
30		 24
33		 21
30		 I Switch all PWM outputs high impedance input - Timer_B TB0
UART UCA0RXD 1
32		 35 1
32		 I USCI_A0: Receive data (UART mode)
UCA0TXD 33
64		 36 33
64		 O USCI_A0: Transmit data (UART mode)
UCA1RXD 27
55		 30 27 I USCI_A1: Receive data (UART mode)
UCA1TXD 26
54		 29 26 O USCI_A1: Transmit data (UART mode)
Thermal Pad RGC package only. VQFN package exposed thermal pad. TI recommends connection to VSS.