Realtimes Beijing Technology Co.,LTD
www.realtimesai.com
RTSO-1002 Product Manual V1.0
14
2.8 Fan interface
Function
Connecting an External Cooling Fan
Marking
P9
Type
Molex PicoBlade Header
Pin define
Pin
Signal
Pin
Signal
1
GND
2
+5V
3
TACH
4
PWM
Pin 1 position: marked by the red frame in the picture on the right.
2.9 Button interface
Function
Connect the power button
Marking
P10
Type
Molex PicoBlade Header
Pin define
Pin
Signal
Pin
Signal
1
POWER_BTN
2
GND
Pin 1 position: marked by the red frame in the picture on the right.
2.10 Multi-function pin 2
Function
Function Pin
Marking
P11
Type
2.54mm pitch 2x11Pin double row angled pins
Pin define
Pin
Signal
Pin
Signal
1
VDD3V3_OUT
2
VDD3V3_OUT
3
I2S1_DIN_3V3
4
UART5_TX_3V3
5
I2S1_DOUT_3V3
6
UART5_RTS_3V3
7
I2S1_FS_3V3
8
UART5_RX_3V3
9
I2S1_CLK_3V3
10
UART5_CTS_3V3
11
MCLK01_3V3
12
SPI1_SCLK_3V3
13
PWM01_3V3
14
SPI1_MISO_3V3
15
GPIO16_3V3
16
SPI1_MOSI_3V3
17
I2C2_DAT_3V3
18
SPI1_CS0_3V3
19
I2C2_CLK_3V3
20
SPI1_CS1_3V3
21
GND
22
GND
The serial port level is 3.3V TTL logic level
I2S levels are all 3.3V TTL logic levels
SPI levels are all 3.3V TTL logic levels
