SLUAAL1 June   2022 UCD90120A , UCD90124A , UCD90160 , UCD90160A , UCD90320 , UCD90320U , UCD9090 , UCD9090A

 

  1.   How to Access UCD90xxx Sequencers GPIO
  2.   Trademarks
  3. 1Introduction
  4. 2GPIO Capacity
  5. 3PMBus™ Commands to Access GPIO
    1. 3.1 (FAh) GPIO_SELECT (MFR_SPECIFIC_42)
    2. 3.2 (FBh) GPIO_CONFIG (MFR_SPECIFIC_43)
  6. 4Examples
    1. 4.1 Configure GPIO to Hi-Z
    2. 4.2 Configure GPIO to Output HIGH or LOW
    3. 4.3 Read GPIO Status
  7. 5References

2 GPIO Capacity

UCD90xxx families of digital sequencers have different GPIO capacity. Please refer to Table 2-1 for the details.

Table 2-1 GPIO Capacity
Devices UCD9090 UCD9090A UCD90120A UCD90124A UCD90160/
UCD90160A		 UCD90320/
UCD90320U
Number GPIO 23 23 26 26 26 100