ZHCSRU8 February 2024
PRODUCTION DATA
CMD Address | EEh |
Write Transaction: | Write Word |
Read Transaction: | Read Word |
Format: | Unsigned Binary (1 byte) |
Phased: | No |
NVM Backup: | EEPROM |
Updates: | on-the-fly (pin detection occurs on POR only). |
PMBUS specified that NVM (Default or User) stored values will overwrite Pin Programmed Values. Setting a “1” in each bit of this register will prevent DEFAULT or USER STORE values from overwriting the Pin-Programmed Value associated that bit.
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
RW | RW | RW | RW | RW | RW | RW | RW |
Reserved | STACK_CONFIG | SYNC_CONFIG | Reserved | COMP_CONFIG | ADDRESS | ||
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
RW | RW | RW | RW | RW | RW | RW | RW |
Reserved | INTERLEAVE | Reserved | TON_RISE | IOUT_OC | FREQ | VOUT |
LEGEND: R/W = Read/Write; R = Read only |
Bit | Field | Access | Reset | Description |
---|---|---|---|---|
15:13 | Reserved | RW | NVM | Not used and set to 000b. |
12 | STACK_CONFIG | RW | NVM | 0b: At power-up or RESTORE, STACK_CONFIG will be reset to NVM value. 1b: At power-up or RESTORE, STACK_CONFIG will be reset to pin-detected value. |
11 | SYNC_CONFIG | RW | NVM | 0b: At power-up or RESTORE, SYNC_CONFIG will be reset to NVM value. 1b: At power-up or RESTORE, SYNC_CONFIG will be reset to pin-detected value. |
10 | Reserved | RW | NVM | Not used and set to 0b or 1b. |
9 | COMP_CONFIG | RW | NVM | 0b: At power-up or RESTORE, COMPENSATION_CONFIG will be reset to NVM value. 1b: At power-up or RESTORE, COMPENSATION_CONFIG will be reset to pin-detected value. |
8 | ADDRESS | RW | NVM | 0b: At power-up or RESTORE, Loop Follower_ADDRESS will be reset to NVM value. 1b: At power-up or RESTORE, Loop Follower_ADDRESS will be reset to pin-detected value. |
7:6 | Reserved | RW | NVM | Not used and set to 00b. |
5 | INTERLEAVE | RW | NVM | 0b: At power-up or RESTORE, INTERLEAVE will be reset to NVM value. 1b: At power-up or RESTORE, INTERLEAVE will be reset to pin-detected value. |
4 | Reserved | RW | NVM | Not used and set to 0b or 1b. |
3 | TON_RISE | RW | NVM | 0b: At power-up or RESTORE, TON_RISE will be reset to NVM value. 1b: At power-up or RESTORE, TON_RISE will be reset to pin-detected value. |
2 | IOUT_OC | RW | NVM | 0b: At power-up or RESTORE, IOUT_OC_FAULT_LIMIT and IOUT_OC_WARN_LIMIT will be
reset to NVM value. 1b: At power-up or RESTORE, IOUT_OC_FAULT_LIMIT and IOUT_OC_WARN_LIMIT will be reset to pin-detected value. |
1 | FREQ | RW | NVM | 0b: At power-up or RESTORE, FREQUENCY_SWITCH will be reset to NVM value. 1b: At power-up or RESTORE, FREQUENCY_SWITCH will be reset to pin-detected value. |
0 | VOUT | RW | NVM | 0b: At power-up or RESTORE, VOUT_COMMAND, VOUT_SCALE_LOOP, VOUT_MAX, and VOUT_MIN
will be reset to NVM value. 1b: At power-up or RESTORE, VOUT_COMMAND, VOUT_SCALE_LOOP, VOUT_MAX, and VOUT_MIN will be reset to pin-detected value. |
PIN_DETECT_OVERRIDE allows the user to force Pin Detected values to override the User Store NVM value for various PMBus commands during Power On Reset and RESTORE_USER_ALL.