ZHCSI79B March 2016 – May 2018 TAS5751M
PRODUCTION DATA.
When bit D6 is set low, the system exits all-channel shutdown and starts playing audio; otherwise, the outputs are shut down (hard mute).
| D7 | D6 | D5 | D4 | D3 | D2 | D1 | D0 | FUNCTION |
|---|---|---|---|---|---|---|---|---|
| 0 | – | – | – | – | – | – | – | Mid-Z ramp disabled(1) |
| 1 | – | – | – | – | – | – | – | Mid-Z ramp enabled |
| – | 0 | – | – | – | – | – | – | Exit all-channel shutdown (normal operation) |
| – | 1 | – | – | – | – | – | – | Enter all-channel shutdown (hard mute)(1) |
| – | – | 0 | 0 | – | – | – | – | Reserved(1) |
| 0 | – | – | – | Ternary modulation disabled(1) | ||||
| – | – | – | – | 1 | – | – | – | Ternary modulation enabled |
| – | – | – | – | – | 0 | – | – | Reserved(1) |
| – | – | – | – | – | – | 0 | – | configured as input |
| – | – | – | – | – | – | 1 | – | configured configured as output to function as fault output pin. |
| – | – | – | – | – | – | – | 0 | Reserved(1) |
Ternary modulation is disabled by default. To enable ternary modulation, the following writes are required before bringing the system out of shutdown: