21
4.5.16 Fan Connector
Pin 1
There are Fan connector. The connector part number is SWF-12504LT.
Battery Interface
PINs
Signal
Level
Description
1
VBAT
+4.1V
Power supply max current 150mA
4
GND
GND
2, 3
NC
NC
4.5.17 Extension Interface
Pin 1
Pin 2
There are General Purpose Header interfaces, including SPI bus
、
UART
、
I2C
、
GPIO
、
I2S etc.
Audio Interface
PIN
PINs Name
Voltage
Type
Description
1,17
EXT_IF_VOUT_3V3
3.3v
PO
External device power
source, IMAX=200 mA
2,4
EXT_IF_VIN_5V
5.0v
PO
External device power
3
BLSP8_SPI8_CS_SDA_3V3
3.3v
DI/DO
I2C
5
BLSP8_SPI8_CLK_SCL_3V3
3.3v
DO
8
BLSP6_UART6_TX_EXT_CON
3.3v
DI/DO
UART
10
BLSP6_UART6_RX_EXT_CON
3.3v
DI/DO
12
MI2S_1_SCK_EXT_CON
3.3v
DO
I2S SCK
35
MI2S_1_WS_EXT_CON
3.3v
DO
I2S WS
40
MI2S_1_D0_EXT_CON
3.3v
DI
I2S DATA 0
38
MI2S_1_D1_EXT_CON
3.3v
DI
I2S DATA 1
11
WSA_IO_DATA_GPIO94_EXT_CON
3.3v
DI
I2S DATA 2
13
WSA_IO_CLK_GPIO95_EXT_CON
3.3v
DI
I2S DATA 3