20
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J9 (RCA)
Pin Signal
Description
Pin Signal
Description
1
GND-TVIN
TV-in Ground
2
TVIN3
TV-in input
3
GND-TVIN
TV-in Ground
J12 (pin header)
Pin Signal
Description
Pin Signal
Description
1
TVIN2
TV-in input
2
TVIN1
TV-in input
3
TVIN0
TV-in input
4
GND-TVIN
TV-in Ground
2.6 UART
•
Up to 8 UART controllers
•
64-Bytes Transmit and receive data FIFOs for all UART
•
Compliant with industry-standard 16550 UARTs
•
Support Infrared Data Association(IrDA) 1.0 SIRR
DB9/J11 is RS232
signal, and J8/J13/J14 is TTL signal. The signal of J13 is multiplexed with GPS,
J8 for debug, and J14 is multiplexed with RS485.
COM2 (DB9, RS232)
Pin Signal
Description
Pin Signal
Description
1
NC
Not connect
2
RS232_TX5
Transmit Data
3
RS232_RX5
Receive Data 4
NC
Not connect
5
GND
Ground
6
NC
Not connect
7
NC
Not connect
8
NC
Not connect
9
NC
Not connect
3
2
1
2
1
3
4
6
1 2 3 4 5
7 8 9