ZHCS614G October 2011 – September 2022 TPS40422
PRODUCTION DATA
The CAPABILTY command provides a way for a host system to determine some key capabilities of this PMBus interface device.
| COMMAND | CAPABILITY | |||||||
|---|---|---|---|---|---|---|---|---|
| Format | Unsigned binary | |||||||
| Bit Position | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| Access | r | r | r | r | r | r | r | r |
| Function | PEC | SPD | ALRT | Reserved | ||||
| Default Value | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
The default values indicate that the TPS4022 device supports Packet Error Checking (PEC), a maximum bus speed of 400 kHz (SPD) and the SMBus Alert Response Protocol using a SMBALERT pin (ALRT).