ZHCSNK4A October   2019  – February 2021 MSP430F5438A-ET

PRODUCTION DATA  

  1. 1特性
  2. 2应用
  3. 3说明
  4. 4功能方框图
  5. 5Revision History
  6. 6Terminal Configuration and Functions
    1. 6.1 Pin Diagram
    2. 6.2 Signal Descriptions
  7. 7Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  Recommended Operating Conditions
    3. 7.3  Active Mode Supply Current Into VCC Excluding External Current
    4. 7.4  Low-Power Mode Supply Currents (Into VCC) Excluding External Current
    5. 7.5  Thermal Resistance Characteristics
    6. 7.6  Schmitt-Trigger Inputs – General Purpose I/O
    7. 7.7  Inputs – Ports P1 and P2
    8. 7.8  Leakage Current – General Purpose I/O
    9. 7.9  Outputs – General Purpose I/O (Full Drive Strength)
    10. 7.10 Outputs – General Purpose I/O (Reduced Drive Strength)
    11. 7.11 Output Frequency – General Purpose I/O
    12. 7.12 Typical Characteristics – Outputs, Reduced Drive Strength (PxDS.y = 0)
    13. 7.13 Typical Characteristics – Outputs, Full Drive Strength (PxDS.y = 1)
    14. 7.14 Crystal Oscillator, XT1, Low-Frequency Mode
    15. 7.15 Crystal Oscillator, XT1, High-Frequency Mode
    16. 7.16 Crystal Oscillator, XT2
    17. 7.17 Internal Very-Low-Power Low-Frequency Oscillator (VLO)
    18. 7.18 Internal Reference, Low-Frequency Oscillator (REFO)
    19. 7.19 DCO Frequency
    20. 7.20 PMM, Brownout Reset (BOR)
    21. 7.21 PMM, Core Voltage
    22. 7.22 PMM, SVS High Side
    23. 7.23 PMM, SVM High Side
    24. 7.24 PMM, SVS Low Side
    25. 7.25 PMM, SVM Low Side
    26. 7.26 Wakeup From Low-Power Modes and Reset
    27. 7.27 Timer_A
    28. 7.28 Timer_B
    29. 7.29 USCI (UART Mode) Recommended Operating Conditions
    30. 7.30 USCI (UART Mode)
    31. 7.31 USCI (SPI Master Mode) Recommended Operating Conditions
    32. 7.32 USCI (SPI Master Mode)
    33. 7.33 USCI (SPI Slave Mode)
    34. 7.34 USCI (I2C Mode)
    35. 7.35 12-Bit ADC, Power Supply and Input Range Conditions
    36. 7.36 12-Bit ADC, Timing Parameters
    37. 7.37 12-Bit ADC, Linearity Parameters Using an External Reference Voltage or AVCC as Reference Voltage
    38. 7.38 12-Bit ADC, Linearity Parameters Using the Internal Reference Voltage
    39. 7.39 12-Bit ADC, Temperature Sensor and Built-In VMID
    40. 7.40 REF, External Reference
    41. 7.41 REF, Built-In Reference
    42. 7.42 Flash Memory
    43. 7.43 JTAG and Spy-Bi-Wire Interface
  8. 8Detailed Description
    1. 8.1  CPU
    2. 8.2  Operating Modes
    3. 8.3  Interrupt Vector Addresses
    4. 8.4  Memory Organization
    5. 8.5  Bootloader (BSL)
    6. 8.6  JTAG Operation
      1. 8.6.1 JTAG Standard Interface
      2. 8.6.2 Spy-Bi-Wire Interface
    7. 8.7  Flash Memory
    8. 8.8  RAM Memory
    9. 8.9  Peripherals
      1. 8.9.1  Digital I/O
      2. 8.9.2  Oscillator and System Clock
      3. 8.9.3  Power Management Module (PMM)
      4. 8.9.4  Hardware Multiplier (MPY)
      5. 8.9.5  Real-Time Clock (RTC_A)
      6. 8.9.6  Watchdog Timer (WDT_A)
      7. 8.9.7  System Module (SYS)
      8. 8.9.8  DMA Controller
      9. 8.9.9  Universal Serial Communication Interface (USCI)
      10. 8.9.10 TA0
      11. 8.9.11 TA1
      12. 8.9.12 TB0
      13. 8.9.13 ADC12_A
      14. 8.9.14 CRC16
      15. 8.9.15 REF Voltage Reference
      16. 8.9.16 Embedded Emulation Module (EEM) (L Version)
      17. 8.9.17 Peripheral File Map
      18. 8.9.18 Input/Output Diagrams
        1. 8.9.18.1  Port P1, P1.0 to P1.7, Input/Output With Schmitt Trigger
        2. 8.9.18.2  Port P2, P2.0 to P2.7, Input/Output With Schmitt Trigger
        3. 8.9.18.3  Port P3, P3.0 to P3.7, Input/Output With Schmitt Trigger
        4. 8.9.18.4  Port P4, P4.0 to P4.7, Input/Output With Schmitt Trigger
        5. 8.9.18.5  Port P5, P5.0 and P5.1, Input/Output With Schmitt Trigger
        6. 8.9.18.6  Port P5, P5.2, Input/Output With Schmitt Trigger
        7. 8.9.18.7  Port P5, P5.3, Input/Output With Schmitt Trigger
        8. 8.9.18.8  Port P5, P5.4 to P5.7, Input/Output With Schmitt Trigger
        9. 8.9.18.9  Port P6, P6.0 to P6.7, Input/Output With Schmitt Trigger
        10. 8.9.18.10 Port P7, P7.0, Input/Output With Schmitt Trigger
        11. 8.9.18.11 Port P7, P7.1, Input/Output With Schmitt Trigger
        12. 8.9.18.12 Port P7, P7.2 and P7.3, Input/Output With Schmitt Trigger
        13. 8.9.18.13 Port P7, P7.4 to P7.7, Input/Output With Schmitt Trigger
        14. 8.9.18.14 Port P8, P8.0 to P8.7, Input/Output With Schmitt Trigger
        15. 8.9.18.15 Port P9, P9.0 to P9.7, Input/Output With Schmitt Trigger
        16. 8.9.18.16 Port P10, P10.0 to P10.7, Input/Output With Schmitt Trigger
        17. 8.9.18.17 Port P11, P11.0 to P11.2, Input/Output With Schmitt Trigger
        18. 8.9.18.18 Port J, J.0 JTAG Pin TDO, Input/Output With Schmitt Trigger or Output
        19. 8.9.18.19 Port J, J.1 to J.3 JTAG Pins TMS, TCK, TDI/TCLK, Input/Output With Schmitt Trigger or Output
    10. 8.10 Device Descriptors (TLV)
  9. 9Device and Documentation Support
    1. 9.1 Trademarks
    2. 9.2 静电放电警告
    3. 9.3 支持资源
    4. 9.4 术语表
      1.      Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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订购信息

7.41 REF, Built-In Reference

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)(1)
PARAMETER TEST CONDITIONS VCC MIN TYP MAX UNIT
VREF+ Positive built-in reference voltage output REFVSEL = {2} for 2.5 V,
REFON = REFOUT = 1, IVREF+= 0 A		 3 V 2.50 ±2.5% V
REFVSEL = {1} for 2.0 V,
REFON = REFOUT = 1, IVREF+= 0 A		 3 V 1.98 ±2.5%
REFVSEL = {0} for 1.5 V,
REFON = REFOUT = 1, IVREF+= 0 A		 2.2 V, 3 V 1.49 ±2.5%
AVCC(min) AVCC minimum voltage, Positive built-in reference active REFVSEL = {0} for 1.5 V 2.2 V
REFVSEL = {1} for 2.0 V 2.3
REFVSEL = {2} for 2.5 V 2.8
IREF+ Operating supply current into AVCC terminal (2) (3) ADC12SR = 1, REFON = 1, REFOUT = 0, REFBURST = 0 3 V 70 µA
ADC12SR = 1, REFON = 1, REFOUT = 1, REFBURST = 0 3 V 0.45 mA
ADC12SR = 0, REFON = 1, REFOUT = 0, REFBURST = 0 3 V 210 350 µA
ADC12SR = 0, REFON = 1, REFOUT = 1, REFBURST = 0 3 V 0.95 2 mA
IL(VREF+) Load-current regulation, VREF+ terminal (4) REFVSEL = (0, 1, 2}
IVREF+ = +10 µA/–1000 µA
AVCC = AVCC(min) for each reference level,
REFVSEL = (0, 1, 2}, REFON = REFOUT = 1		 2500 µV/mA
CVREF+ Capacitance at VREF+ terminals REFON = REFOUT = 1 20 100 pF
TCREF+ Temperature coefficient of built-in reference (5) IVREF+ = 0 A,
REFVSEL = (0, 1, 2}, REFON = 1,
REFOUT = 0 or 1		 30 ppm/ °C
PSRR_DC Power supply rejection ratio (DC) AVCC = AVCC(min) - AVCC(max), TJ = 25°C,
REFVSEL = (0, 1, 2}, REFON = 1,
REFOUT = 0 or 1		 120 µV/V
PSRR_AC Power supply rejection ratio (AC) AVCC = AVCC(min) - AVCC(max), TJ = 25°C,
f = 1 kHz, ΔVpp = 100 mV,
REFVSEL = (0, 1, 2}, REFON = 1,
REFOUT = 0 or 1		 6.4 mV/V
tSETTLE Settling time of reference voltage (6) AVCC = AVCC(min) - AVCC(max),
REFVSEL = (0, 1, 2}, REFOUT = 0,
REFON = 0 → 1		 75 µs
AVCC = AVCC(min) - AVCC(max),
CVREF = CVREF(max),
REFVSEL = (0, 1, 2}, REFOUT = 1,
REFON = 0 → 1		 75
(1) The reference is supplied to the ADC by the REF module and is buffered locally inside the ADC. The ADC uses two internal buffers, one smaller and one larger for driving the VREF+ terminal. When REFOUT = 1, the reference is available at the VREF+ terminal, as well as, used as the reference for the conversion and utilizes the larger buffer. When REFOUT = 0, the reference is only used as the reference for the conversion and utilizes the smaller buffer.
(2) The internal reference current is supplied via terminal AVCC. Consumption is independent of the ADC12ON control bit, unless a conversion is active. REFOUT = 0 represents the current contribution of the smaller buffer. REFOUT = 1 represents the current contribution of the larger buffer without external load.
(3) The temperature sensor is provided by the REF module. Its current is supplied via terminal AVCC and is equivalent to IREF+ with REFON =1 and REFOUT = 0.
(4) Contribution only due to the reference and buffer including package. This does not include resistance due to PCB trace, etc.
(5) Calculated using the box method: (MAX(-40 to 85°C) – MIN(-40 to 85°C)) / MIN(-40 to 85°C)/(85°C – (–40°C)).
(6) The condition is that the error in a conversion started after tREFON is less than ±0.5 LSB. The settling time depends on the external capacitive load when REFOUT = 1.