SLAAEB3 may   2023 MSPM0L1106 , MSPM0L1106

PRODUCTION DATA  

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Hardware Connection
  6. 3Software Structure and Important Functions
    1. 3.1 System Initialization
    2. 3.2 Low-Level Command Control
    3. 3.3 High-Level Function
  7. 4Test Result of Important Functions
    1. 4.1 Read Alarm Status
    2. 4.2 Read Safety Status
    3. 4.3 Read PF Status
    4. 4.4 Read Current
    5. 4.5 Read All Temperatures
    6. 4.6 Read All Voltages
  8. 5References

4.3 Read PF Status

Table 4-3shows how to read the PF status of BQ76952. In the following example, the read value from PF Status A, B and C are 0x0000, indicating that no serious faults have occurred.

Table 4-3 PF Status Command Description
Command Name Unit Type Description
0x0B PF Status A Hex H1

Provides individual fault signals when enabled Permanent Fail faults have triggered.

Bit descriptions can be found in PF Status A Register.
0x0D PF Status B Hex H1

Provides individual fault signals when enabled Permanent Fail faults have triggered.

Bit descriptions can be found in PF Status B Register.
0x0F PF Status C Hex H1

Provides individual fault signals when enabled Permanent Fail faults have triggered.

Bit descriptions can be found in PF Status C Register.
GUID-902C9040-D641-4D2B-A8B3-EC1C871FDAE8-low.png Figure 4-3 Captured I2C Waveform for PF Status Reading