Philips HTB3510 Service Manual page 53

Pin Symbol
Audio PWM DAC interface
D12 AVDD33_DAC
E11 AVSS33_DAC
A10 AL0
B10 AR0
Audio interface
U5 AMUTE
C10 AOLRCK
D10 AOSDATA0
9-6
Type Description
Power 3.3V Analog Power
Ground Analog Ground
Multiple function:
(1) Audio output bit clock
I/O
(2) Audio PWM output
(3) GPIO
Multiple function:
(1) Audio output master clock
I/O
(2) Audio PWM output
(3) GPIO
Multiple function:
I/O
(1) 1st Audio DAC mute
(2) GPIO
Multiple function:
(1) Audio output left-right clock
(2) 2nd Audio DAC mute
(3) Video out DE signal
(4) 2nd RS232 TX
I/O
(5) External Interrupt 4
(6) Slave I2C clock
(7) PWM control signal output
(8) Ethernet Activity LED
(9) GPIO
Multiple function:
(1) Audio output serial data 0
(2) 2nd Audio DAC mute
(3) Video out DE signal
(4) 2nd RS232 RX
I/O
(5) External Interrupt 2
(6) Slave I2C data
(7) PWM control signal output
(8) Ethernet Duplex LED
(9) GPIO