Sony BDP-BX18, Service Manual, Page: 65 / 105

Multiple function:
(1) Serial interface data line
(2) Slave I2C clock
(3) External Interrupt 3
(4) GPIO
Multiple function:
(1) Video output DE signal
(2) 2nd RS232 TX
(3) External Interrupt 1
(4) Slave I2C clock
(5) PWM control signal output
(6) Ethernet Speed LED
(7) GPIO
Multiple function:
(1) Audio line input data
(2) 2nd RS232 RX
(3) External Interrrupt 2
(4) Slave I2C clock
(5) PWM control signal output
(6) Ethernet Link LED
(7) GPIO
Multiple function:
(1) Microphone input data
(2) 2nd RS232 TX
(3) External Interrupt 4
(4) Slave I2C clock
(5) PWM control signal output
(6) Ethernet Activity LED
(7) GPIO
Multiple function:
(1) Microphone left-right clock
(2) 2nd RS232 RX
(3) External Interrupt 1
(4) Slave I2C data
(5) PWM control signal output
(6) Ethernet Duplex LED
(7) GPIO
Multiple function:
(1) Microphone input bit clock
(2) 3th RS232 TX
(3) External Interrupt 2
(4) Slave I2C clock
(5) PWM control signal output
(6) Ethernet Speed LED
(7) GPIO
Multiple function:
(1) Microphone input master clock
(2) 3th RS232 RX
(3) External Interrupt 4
(4) Slave I2C data
(5) PWM control signal output
(6) Ethernet Link LED
(7) GPIO
Multiple function:
(1) HDMI I2C Clock
(2) GPIO
(2) JTAG ICE clock
Multiple function:
(1) HDMI I2C Data
(2) GPIO
(3) JTAG ICE mode select
Multiple function:
(1) HDMI Hot Plug
(2) GPIO
(3) JTAG ICE data out
Multiple function:
(1) Infrared input
(2) GPIO
Multiple function:
(1) LCD read strobe
(2) GPIO
E6 RSTI I Front-End Power on reset
V 5 , O / I 0 2 C HTPLG
I/O, 5V IR B22
I/O, 5V LCDRD D22
I/O, 5V HDMISCK B20
I/O, 5V HDMISD B19
I/O, 5V
I/O, 5V GPIO6 AB2
GPIO4 AA4
I/O, 5V GPIO7 Y6
I/O, 5V GPIO5 AB1
GPIO1 E18
I/O, 5V GPIO3 AA5
I/O, 5V GPIO2 C22
I/O, 5V
6-8
BDP-BX18/S285/S286