Philips HTB3510 Service Manual page 64

Pin Symbol
D20
GPIO0
E18
GPIO1
C22
GPIO2
AA5
GPIO3
AA4
GPIO4
AB1
GPIO5
9-17
Type Description
Multiple function
(1) Serial interface control line
I/O, 5V (2) Slave I2C clock
(3) External Interrupt 3
(4) GPIO
Multiple function
(1) Serial interface data line
I/O, 5V (2) Slave I2C data
(3) External Interrupt 3
(4) GPIO
Multiple function
(1) Video output DE signal
(2) 2nd RS232 TX
(3) External Interrupt 1
I/O, 5V
(4) Slvae 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 Interrupt 2
I/O, 5V
(4) Slvae I2C data
(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
I/O, 5V
(4) Slvae I2C clock
(5) PWM control signal output
(6) Ethernet Activity LED
(7) GPIO
Multiple function
(1) Microphone input left-right clock
(2) 2nd RS232 RX
(3) External Interrupt 1
I/O, 5V
(4) Slvae I2C data
(5) PWM control signal output
(6) Ethernet Duplex LED
(7) GPIO