Pin Symbol Type
Description
AB2
ʳ
GPIO6
I/O, 5V
Multiple function
(1) Microphone input bit clock
(2) 3th RS232 TX
(3) External Interrupt 2
(4) Slvae I2C clock
(5) PWM control signal output
(6) Ethernet Speed LED
(7) GPIO
Y6
ʳ
GPIO7
I/O, 5V
Multiple function
(1) Microphone input master clock
(2) 3th RS232 RX
(3) External Interrupt 4
(4) Slvae I2C data
(5) PWM control signal output
(6) Ethernet Link LED
(7) GPIO
B20
ʳ
HDMISCK
I/O, 5V
Multiple function
(1) HDMI I2C Clock
(2) GPIO
(3) JTAG ICE clock
B19
ʳ
HDMISD
I/O, 5V
Multiple function
(1) HDMI I2C Data
(2) GPIO
(3) JTAG ICE mode select
C20
ʳ
HTPLG
I/O, 5V
Multiple function
(1) HDMI Hot Plug
(2) GPIO
(3) JTAG ICE data out
B22
ʳ
IR
I/O, 5V
Multiple function
(1) Infrared input
(2) GPIO
D22
ʳ
LCDRD
I/O, 5V
Multiple function
(1) LCD read strobe
(2) GPIO
E6
ʳ
RSTI
I
Front-End Power on reset
B21
ʳ
OPWRSB
I/O, 5V
Power Control
A21
ʳ
RESET_
I, 5V
Power on reset
F19
ʳ
UARXD
I/O, 5V
Reserved for debug-only Uart pins.
(1) 1
st
RS232 RX
(2) T8032 RS232 RX
9-18
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