SLAAEG4B October   2023  – July 2025 MSPM0C1104 , MSPM0C1105 , MSPM0C1106 , MSPM0H3216 , MSPM0L1306

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1 MSPM0C Hardware Design Check List
  5. 2 Power Supplies in MSPM0C Devices
    1. 2.1 Digital Power Supply
    2. 2.2 Analog Power Supply
    3. 2.3 Built-in Power Supply and Voltage Reference
    4. 2.4 Recommended Decoupling Circuit for Power Supply
  6. 3 Reset and Power Supply Supervisor
    1. 3.1 Digital Power Supply
    2. 3.2 Power Supply Supervisor
      1. 3.2.1 Power-On Reset (POR) Monitor
      2. 3.2.2 Brownout Reset (BOR) Monitor
      3. 3.2.3 POR and BOR Behavior During Supply Changes
  7. 4 Clock System
    1. 4.1 Internal Oscillators
      1. 4.1.1 Internal Low-Frequency Oscillator (LFOSC)
      2. 4.1.2 Internal System Oscillator (SYSOSC)
    2. 4.2 External Oscillators & External Clock Input
      1. 4.2.1 Low-Frequency Crystal Oscillator (LFXT)
      2. 4.2.2 LFCLK_IN (Digital Clock)
      3. 4.2.3 High-Frequency Crystal Oscillator (HFXT)
      4. 4.2.4 HFCLK_IN (Digital Clock)
    3. 4.3 External Clock Output (CLK_OUT)
    4. 4.4 Frequency Clock Counter (FCC)
  8. 5 Debugger
    1. 5.1 Debug Port Pins and Pinout
    2. 5.2 Debug Port Connection With Standard JTAG Connector
      1. 5.2.1 Standard XDS110
      2. 5.2.2 Lite XDS110 (MSPM0 LaunchPad™ kit)
  9. 6 Key Analog Peripherals
    1. 6.1 ADC Design Considerations
    2. 6.2 COMP and DAC Design Considerations
  10. 7 Key Digital Peripherals
    1. 7.1 Timer Resources and Design Considerations
    2. 7.2 UART and LIN Resources and Design Considerations
    3. 7.3 I2C and SPI Design Considerations
  11. 8 GPIOs
    1. 8.1 GPIO Output Switching Speed and Load Capacitance
    2. 8.2 GPIO Current Sink and Source
    3. 8.3 Open-Drain GPIOs Enable 5V Communication Without a Level Shifter
    4. 8.4 Communicate With 1.8V Devices Without a Level Shifter
    5. 8.5 Unused Pins Connection
  12. 9 Layout Guides
    1. 9.1 Power Supply Layout
    2. 9.2 Considerations for Ground Layout
      1. 9.2.1 What is Ground Noise?
    3. 9.3 Traces, Vias, and Other PCB Components
    4. 9.4 How to Select Board Layers and Recommended Stack-up
  13. 10Bootloader
  14. 11Summary
  15. 12References
  16. 13Revision History

4.4 Frequency Clock Counter (FCC)

The frequency clock counter (FCC) enables flexible in-system testing and calibration of a variety of oscillators and clocks on the device. The FCC counts the number of clock periods seen on the selected source clock within a known fixed trigger period (derived from a secondary reference source) to provide an estimation of the frequency of the source clock.

FCC on MSPM0C1103 and MSPM0C1104

On MSPM0C1103 and MSPM0C1104, application software can use the FCC to measure the frequency of the following oscillators and clocks:

  • MCLK
  • SYSOSC
  • CLK_OUT
  • The external FCC input (FCC_IN)
MSPM0C1103 and MSPM0C1104 Frequency Clock Counter Block Diagram Figure 4-8 MSPM0C1103 and MSPM0C1104 Frequency Clock Counter Block Diagram

FCC on MSPM0C1105 and MSPM0C1106

On MSPM0C1105 and MSPM0C1106, application software can use the FCC to measure the frequency of the following oscillators and clocks:

  • MCLK
  • SYSOSC
  • CLK_OUT
  • HFCLK
  • The external FCC input (FCC_IN)

MSPM0C1105 and MSPM0C1106 Frequency Clock Counter Block Diagram Figure 4-9 MSPM0C1105 and MSPM0C1106 Frequency Clock Counter Block Diagram
Note: While the external FCC input (FCC_IN function) can be used as either the FCC clock source or the FCC trigger input, FCC input cannot be used for both functions during the same FCC capture. FCC input must be configured as either the FCC clock source or the FCC trigger.