2-20
Signal
Type Pins
Description
Video Port
VIO[7:0]
B
126-131
133-134
Bidirectional digital video port data bus / can be used as GPIO
HSYNC
B
124
Bidirectional HSYNC signal for devices that do not use EAV/SAV codes / can be used as GPIO
VSYNC
B
123
Bidirectional VSYNC signal for devices that do not use EAV/SAV codes / can be used as GPIO
VIOCLK
B
122
VCLK input/output for Video I/O Port function
Audio Interface
AOUT0
O
74
Serial audio output data to audio DAC for Left & Right channels / can be used as GPIO
AOUT1
O
73
Serial audio output data to audio DAC for Center & LFE channels / can be used as GPIO
AOUT2
O
72
Serial audio output data to audio DAC for Surround Left & Right channels / can be used as GPIO
AOUT3
O
71
Serial audio output data to audio DAC for Left & Right channels for down-mixed stereo / can be used as GPIO
SPDIF
O
68
S/PDIF digital audio output
ACLK
O
78
Audio interface serial data clock, common clock for DACs & ADC
PCMCLK
O
76
Audio DAC PCM sampling clock frequency, common clock for DACs & ADC / can be used as GPIO
LRCLK
O
79
Left/Right Channel clock, common clock for DACs & ADC
AIN
I
70
Digital audio input for digital micro / can be used as GPIO
Clock Signals
CXI
I
98
Crystal Input pin for on-chip oscillator or system input clock
CXO
O
99
Crystal Output pin for on-chip oscillator
OSCVdd
P
101
Oscillator Power (1.8V)
OSCVss
P
100
Oscillator Ground
MVCKVdd
P
102
Main & Video Clock PLL Power (3.3V)
MVCKVss
P
104
Main & Video Clock PLL Ground
ACLKVdd
P
107
Audio clock PLL Power (3.3V)
ACLKVss
P
105
Audio clock PLL Ground
Test
SCEN
I
103
Scan Chain test enable
SCMD
I
106
Scan Chain test mode
PWR & GND
V
DD
P
*
Core Power =1.8V, pins: 4, 34, 77, 89, 135, 159, 192, 212
Vss
P
*
Core & Ring Ground, pins: 17, 47, 69, 85, 121, 171, 201, 230
V
DDIO
P
*
I/O Pad power = 3.3V, pins: 1, 10, 19, 27, 36, 44, 53, 62, 75, 91, 125, 140, 154, 169, 181, 196, 210, 224, 233
V
SSIO
P
*
I/O Pad ground, pins: 6, 14, 23, 31, 40, 49, 57, 67, 82, 97, 132, 147, 162, 177, 188, 204, 218, 228, 237