| AGND |
9 |
9 |
— |
Analog ground |
| BCK |
1 |
1 |
I |
Audio-data bit-clock input |
| DATA |
2 |
2 |
I |
Audio-data digital input |
| DEMP |
- |
13 |
I |
De-emphasis control |
| DGND |
4 |
4 |
— |
Digital ground |
| FMT |
- |
15 |
I |
Data format select |
| LRCK |
3 |
3 |
I |
L-channel and R-channel audio data latch enable input |
| MC |
14 |
- |
I |
Mode control clock input |
| MD |
13 |
- |
I |
Mode control data input |
| ML |
15 |
- |
I |
Mode control latch input |
| MUTE |
- |
14 |
I |
Analog mixing control |
| NC |
5 |
5 |
— |
No connection |
| SCK |
16 |
16 |
I |
System clock input |
| TEST |
- |
12 |
I |
Test pin, ground or open |
| VCC |
6 |
6 |
— |
Analog power supply, 5 V |
| VCOM |
10 |
10 |
— |
Common voltage decoupling |
| VOUTL |
7 |
7 |
O |
Analog output for L-channel |
| VOUTR |
8 |
8 |
O |
Analog output for R-channel |
| ZEROR/ZEROA |
11 |
11 |
O |
Zero flag output for R-channel / Zero flag output for L-/R-channel.
Open-drain output for PCM1755. |
| ZEROL/NA |
12 |
- |
O |
Zero flag output for L-channel / Not assigned.
Open-drain output for PCM1755. |