NAD T 562 Service Manual page 18

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