SLAS797C August   2014  – August 2018 MSP430FR6927 , MSP430FR69271 , MSP430FR6928 , MSP430FR6977 , MSP430FR6979 , MSP430FR69791

PRODUCTION DATA.  

  1. 1Device Overview
    1. 1.1 Features
    2. 1.2 Applications
    3. 1.3 Description
    4. 1.4 Functional Block Diagram
  2. 2Revision History
  3. 3Device Comparison
    1. 3.1 Related Products
  4. 4Terminal Configuration and Functions
    1. 4.1 Pin Diagrams
    2. 4.2 Signal Descriptions
      1. Table 4-1 Signal Descriptions – MSP430FR697x and MSP430FR697x1
      2. Table 4-2 Signal Descriptions – MSP430FR692x(1)
    3. 4.3 Pin Multiplexing
    4. 4.4 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 Peripherals
        1. 5.13.5.1 Digital I/Os
          1. Table 5-11 Digital Inputs
          2. Table 5-12 Digital Outputs
          3. 5.13.5.1.1  Typical Characteristics, Digital Outputs at 3.0 V and 2.2 V
          4. Table 5-13 Pin-Oscillator Frequency, Ports Px
          5. 5.13.5.1.2  Typical Characteristics, Pin-Oscillator Frequency
        2. 5.13.5.2 Timer_A and Timer_B
          1. Table 5-14 Timer_A
          2. Table 5-15 Timer_B
        3. 5.13.5.3 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)
        4. 5.13.5.4 LCD Controller
          1. Table 5-22 LCD_C, Recommended Operating Conditions
          2. Table 5-23 LCD_C Electrical Characteristics
        5. 5.13.5.5 ADC
          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
        6. 5.13.5.6 Reference
          1. Table 5-34 REF, Built-In Reference
        7. 5.13.5.7 Comparator
          1. Table 5-35 Comparator_E
        8. 5.13.5.8 FRAM Controller
          1. Table 5-36 FRAM
      6. 5.13.6 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
        1. 6.3.1.1 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 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 (MPY)
      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 – Ports P1 to P10
        2. 6.11.23.2  Capacitive Touch Functionality Ports P1 to P10 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 P2 (P2.4 to P2.7) Input/Output With Schmitt Trigger
        7. 6.11.23.7  Port P3 (P3.0 to P3.7) Input/Output With Schmitt Trigger
        8. 6.11.23.8  Port P4 (P4.0 to P4.7) Input/Output With Schmitt Trigger
        9. 6.11.23.9  Port P5 (P5.0 to P5.7) Input/Output With Schmitt Trigger
        10. 6.11.23.10 Port P6 (P6.0 to P6.6) Input/Output With Schmitt Trigger
        11. 6.11.23.11 Port P6 (P6.7) Input/Output With Schmitt Trigger
        12. 6.11.23.12 Port P7 (P7.0 to P7.7) Input/Output With Schmitt Trigger
        13. 6.11.23.13 Port P8 (P8.0 to P8.3) Input/Output With Schmitt Trigger
        14. 6.11.23.14 Port P8 (P8.4 to P8.7) Input/Output With Schmitt Trigger
        15. 6.11.23.15 Port P9 (P9.0 to P9.3) Input/Output With Schmitt Trigger
        16. 6.11.23.16 Port P9 (P9.4 to P9.7) Input/Output With Schmitt Trigger
        17. 6.11.23.17 Port P10 (P10.0 to P10.2) Input/Output With Schmitt Trigger
        18. 6.11.23.18 Port PJ (PJ.4 and PJ.5) Input/Output With Schmitt Trigger
        19. 6.11.23.19 Port PJ (PJ.6 and PJ.7) Input/Output With Schmitt Trigger
        20. 6.11.23.20 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. 8Device and Documentation Support
    1. 8.1  Getting Started and Next Steps
    2. 8.2  Device Nomenclature
    3. 8.3  Tools and Software
    4. 8.4  Documentation Support
    5. 8.5  Related Links
    6. 8.6  Community Resources
    7. 8.7  Trademarks
    8. 8.8  Electrostatic Discharge Caution
    9. 8.9  Export Control Notice
    10. 8.10 Glossary
  9. 9Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7.2.2.2 Design Requirements

Due to the flexibility of the LCD_C peripheral module to accommodate various segment-based LCDs, selecting the correct display for the application in combination with determining specific design requirements is often an iterative process. There can be well defined requirements in terms of how many individually addressable LCD segments need to be controlled, what the requirements for LCD contrast are, which device pins are available for LCD use, and which are required by other application functions, and what the power budget is, to name just a few. TI recommends reviewing the LCD_C peripheral module chapter in the MSP430FR58xx, MSP430FR59xx, MSP430FR68xx, and MSP430FR69xx Family User's Guide during the initial design requirements and decision process. Table 7-1 is a brief overview over different choices that can be made and their effects.

Table 7-1 LCD Features and Use Cases

OPTION OR FEATURE IMPACT OR USE CASE
Multiplexed LCD
  • Enable displays with more segments
  • Use fewer device pins
  • LCD contrast decreases as mux level increases
  • Power consumption increases with mux level
  • Requires multiple intermediate bias voltages
Static LCD
  • Limited number of segments that can be addressed
  • Use a relatively large number of device pins
  • Use the least amount of power
  • Use only VCC and GND to drive LCD signals
Internal bias generation
  • Simpler solution – no external circuitry
  • Independent of VLCD source
  • Somewhat higher power consumption
External bias generation
  • Requires external resistor ladder divider
  • Resistor size depends on display
  • Ability to adjust drive strength to optimize tradeoff between power consumption and good drive of large segments (high capacitive load)
  • External resistor ladder divider can be stabilized through capacitors to reduce ripple
Internal charge pump
  • Helps ensure a constant level of contrast despite decaying supply voltage conditions (battery-powered applications)
  • Programmable voltage levels allow software-driven contrast control
  • Requires an external capacitor on the LCDCAP pin
  • Higher current consumption than simply using VCC for the LCD driver