| AVDD |
10 |
P |
Analog voltage supply, 2.6 V–3.6 V |
| AVSS |
9 |
P |
Analog ground supply, 0 V |
| BCLK |
1 |
I/O |
Audio serial data bus bit clock (input/output) |
| DMCLK/GPIO2 |
20 |
I/O |
Digital microphone clock / general-purpose input/output 2 (input/output) / PLL clock input / audio serial data-bus bit-clock input/output / multifunction pin based on register programming |
| DMDIN/GPIO1 |
19 |
I/O |
Digital microphone data input / general-purpose input/output 1 (input/output) / PLL clock mux output / AGC noise flag / multifunction pin based on register programming |
| DOUT |
3 |
O |
Audio serial data bus data output (output) |
| DVDD |
22 |
P |
Digital core voltage supply, 1.65 V–1.95 V |
| DVSS |
23 |
P |
Digital ground supply, 0 V |
| I2C_ADR0 |
15 |
I |
LSB of I2C bus address |
| I2C_ADR1 |
16 |
I |
LSB + 1 of I2C bus address |
| IN1L(P) |
8 |
I |
Mic or line analog input (left-channel single-ended or differential plus, or right channel) |
| IN1R(M) |
11 |
I |
Mic or line analog input (left-channel single-ended or differential minus, or left channel) |
| IN2L(P) |
7 |
I |
Mic or line analog input (left-channel single-ended or differential plus) |
| IN2R(P) |
12 |
I |
Mic or line analog input (right-channel single-ended or differential plus) |
| IN3L(M) |
6 |
I |
Mic or line analog input (left-channel single-ended or differential minus) |
| IN3R(M) |
13 |
I |
Mic or line analog input (right-channel single-ended or differential minus) |
| IOVDD |
21 |
P |
I/O voltage supply, 1.1 V–3.6 V |
| MCLK |
24 |
I |
Master clock input |
| MICBIAS1 |
5 |
O |
MICBIAS1 bias voltage output |
| MICBIAS2 |
14 |
O |
MICBIAS2 bias voltage output |
| RESET |
4 |
I |
Reset |
| SCL |
17 |
I/O |
I2C serial clock |
| SDA |
18 |
I/O |
I2C serial data input/output |
| WCLK |
2 |
I/O |
Audio serial data bus word clock (input/output) |