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