User's Manual

5 SWA51 Connector Information
Table 1: SWA51 Connector Information
No Pin Name Pin Type
AV65100
Pin
SWA51-TX Pin
Description
SWA51-RX Pin
Description
1 GPIO2/S_SSB Digital I/O 12
GPIO or SPI Slave
Chip Select
GPIO or SPI Slave
Chip Select
2 GPIO3/S_SCLK Digital I/O 11
GPIO or SPI
Slave Serial Clock
GPIO or SPI Slave
Serial Clock
3 GPIO4/S_SDA/S_MOSI Digital I/O 10
GPIO, I2C Slave
Serial Data or SPI
Slave Data In
GPIO, I2C Slave
Serial Data or SPI
Slave Data In
4 GPIO5/S_SCL/S_MISO Digital I/O 9
GPIO, I2C Slave
Serial Clock or SPI
Slave Data Out
GPIO, I2C Slave
Serial Clock or SPI
Slave Data Out
5 GPIO16/M_SDA Digital I/O 4
GPIO, I2C
Master Serial Data
GPIO, I2C
Master Serial Data
6 GPIO17/M_SCL Digital I/O 3
GPIO, I2C
Master Serial
Clock
GPIO, I2C
Master Serial
Clock
7 GPIO20/LINK_LED Digital I/O 56
GPIO, or
LINK_LED Output
GPIO, or
LINK_LED Output
8 GPIO21/PAIR Digital I/O 55
GPIO, or input
from PAIR Button
GPIO, or input
from PAIR Button
9 GPIO18/BCLK1 Digital I/O 2
GPIO or I2S Port 1
Bit Clock
GPIO or I2S Port 1
Bit Clock
10 GPIO19/WCLK1 Digital I/O 1
GPIO or I2S Port 1
Word Clock
GPIO or I2S Port 1
Word Clock
11 GPIO10/MCLK Digital I/O 53
GPIO or Master
Clock Out
GPIO or Master
Clock Out
12 GND GND
Paddle
(57)
GND GND
13 GPIO11/BCLK0 Digital I/O 52
GPIO or I2S Port 0
Bit Clock
GPIO or I2S Port 0
Bit Clock
14 GPIO12/WCLK0 Digital I/O 51
GPIO or I2S Port 0
Word Clock
GPIO or I2S Port 0
Word Clock
15 GPIO13/ADAT0 Digital I/O 50
GPIO or I2S Port 0
Audio Data
GPIO or I2S Port 0
Audio Data
16 GPIO14/ADAT1 Digital I/O 49
GPIO or I2S Port 1
Audio Data
GPIO or I2S Port 1
Audio Data
17 GPIO15/ADAT2/CEN
Digital I/O
or Digital
Input
48 or 38
GPIO, I2S Port 2
Audio Data or chip
enable
(1)
GPIO, I2S Port 2
Audio Data or chip
enable
(1)