ZHCSPK7F November 2004 – January 2022 TPS2384
PRODUCTION DATA
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| Unused | Thermal shutdown test | POR disable | Discovery timers | Discovery 1 and 2 | DC Disconnect timer | TED timer | Unused |
| R/W | R/W | R/W | R/W | R/W | R/W |
| LEGEND: R/W = Read/Write; R = Read only; -n = value after reset |
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
| D7 | Unused | 0 | 0 | |
| D6 | Thermal shutdown test | R/W | 0 | 0 = normal operation 1 = force TSD condition (all ports off) |
| D5 | POR disable | R/W | 0 | 0 = normal POR timing 1 = force POR to a non-reset state |
| D4 | Discovery timers | R/W | 0 | 0 = normal (4-ms Discovery 1 and Discovery 2) 1 = timers disable |
| D3 | Discovery 1 and 2 | R/W | 0 | 0 = normal operation 1 = all 4-port Discovery 1 and Discovery 2 – halt |
| D2 | DC Disconnect timer | R/W | 0 | 0 = DC Disconnect timer between 300 ms to 400 ms for loads less than 5 mA (IEEE standard) 1 = DC Disconnect timer 0 ms for loads less than 5 mA |
| D1 | TED timer | R/W | 0 | 0 = normal operation 1 = 750-ms TED timer disable |
| D0 | Unused | 0 | 0 |