Realtimes Beijing Technology Co.,LTD
www.realtimesai.com
X509 Reference Manual V1.0
12
2.6 4G antenna interface
Function
4G antenna interface
Marking
AT1 AT2
Type
Ipex to sma female
2.7 Power input interface
Function
Power input interface
Marking
DC12V IN
Type
SF1213/S3
Pin define
Pin
Signal
Pin
Signal
1
+12V
2
GND
3
NC
2.8 OTG-USB2.0 Interface
Function
Micro USB2.0
（
OTG
）
Marking
OTG
Type
Micro USB 2.0 Type-B
2.9 Multifunction Connector
Function
Multifunction Pin Header
Marking
Multifuntion-port
Type
DB25
Pin define
Pin
Signal
Pin
Signal
1
3.3V
14
3.3V
2
GND
15
GND
3
CAN0_H
16
SPI_SCK
4
CAN0_L
17
SPI_MISO
5
CAN1_H
18
SPI_MOSI
6
CAN1_L
19
SPI_CS0
7
RS232_3_TXD
20
GEN1_I2C_SCL
8
RS232_3_RXD
21
GEN1_I2C_SDA
9
RS232_2_TXD
22
GEN2_I2C_SCL
10
RS232_2_RXD
23
GEN2_I2C_SDA
11
UART2_RTS
24
UART3_RTS
12
UART1_TXD_DBG
25
BUTTON_PWR_ON
13
UART1_RXD_DBG
