A1,A2 |
PGND_B |
P |
Power ground - connect to high current ground plane. |
A3 |
VBAT |
P |
Battery power supply - connect to 2.9 V to 5.5 V battery supply. |
A4 |
ICC_GPIO9 |
I/O |
Stereo inter-chip communication clock or GPIO pin. |
A5 |
WCLK1_GPIO2 |
I/O |
Audio word clock on ASI#1 or GPIO pin. |
A6 |
DOUT1_GPIO3 |
I/O |
Audio data output on ASI#1 or GPIO pin. |
B1,B2 |
SW |
P |
Boost converter switch input . |
B3 |
ICC_GPIO10 |
I/O |
Stereo inter-chip communication data output or GPIO pin. |
B4 |
ICC_GPI3 |
I |
Stereo inter-chip communication data input or GPI pin. |
B5 |
DIN1_GPI1 |
I |
Audio data input to ASI #1 or GPI pin. |
B6 |
BCLK1_GPIO1 |
I/O |
Audio bit clock on ASI#1 or GPIO pin. |
C1,C2 |
VBOOST |
P |
Boost converter output. |
C3 |
NC4 |
- |
Float connection - do not route any signal or supply to or through this pin. |
C4 |
DGND |
P |
Digital ground pin. |
C5 |
DIN2_GPIO8 |
I/O |
Audio data input to ASI #2 or GPIO pin. |
C6 |
DVDD |
P |
1.8V digital power supply for digital core logic. |
D1 |
SPK_M |
O |
Inverting Class-D output. |
D2 |
VREG |
P |
Regulator output. |
D3 |
NC3 |
- |
Float connection - do not route any signal or supply to or through this pin. |
D4 |
IOGND |
P |
Digital interface ground pin. |
D5 |
IRQ_GPIO4 |
I/O |
Active-high interrupt pin or GPIO pin |
D6 |
MCLK_GPI2 |
I |
Master clock input or GPI pin. |
E1 |
PGND |
P |
Power ground - connect to high current ground plane. |
E2 |
VSENSE_P |
I |
Non-inverting voltage sense input. |
E3 |
AGND |
P |
Analog ground - connect to low noise ground plane. |
E4 |
SDA_MOSI |
I/O |
Multi-function digital pin for (SPI_SELECT= 0) : Data Pin for I2C control bus. For (SPI_SELECT= 1): SPI data input. |
E5 |
WCLK2_GPIO6 |
I/O |
Audio word-clock on ASI#2 or GPIO pin. |
E6 |
DOUT2_GPIO7 |
I/O |
Audio data output on ASI#2 or GPIO pin. |
F1 |
SPK_P |
O |
Non-inverting Class-D output. |
F2 |
VSENSE_M |
I |
Inverting voltage sense input. |
F3 |
SCL_SSZ |
I |
Multi-function digital input. For (SPI_SELECT= 0) : Clock Pin for I2C Control bus. For (SPI_SELECT= 1): SPI chip selection pin. |
F4 |
AVDD |
P |
1.8V analog power supply. |
F5 |
ADR0_SCLK |
I |
Multi-function digital pin. For (SPI_SELECT= 0) : Device I2C programming address LSB. For (SPI_SELECT= 1): SPI serial bit clock. |
F6 |
BCLK2_GPIO5 |
I/O |
Audio bit clock on ASI#2 or GPIO pin. |
G1 |
NC2 |
- |
Float connection - do not route any signal or supply to or through this pin. |
G2 |
NC1 |
- |
Float connection - do not route any signal or supply to or through this pin. |
G3 |
ADR1_MISO |
I/O |
Multi-function digital input / output. For (SPI_SELECT= 0) : Device I2C programming address MSB. For (SPI_SELECT= 1): SPI data output |
G4 |
SPI_SELECT |
I |
Control interface select. 0: I2C selected. 1: SPI selected. |
G5 |
RESET |
I |
Active-low reset. |
G6 |
IOVDD |
P |
1.8V or 3.3V digital interface power supply for digital input and output levels. |