ViewSonic VA702-1 Service Manual page 27

17 NC
18 VDDC
19 GND
20 GND
21 VDDP
22 NC
23 NC
24 NC
25 NC
26 NC
27 NC
28 NC
29 NC
30 AD0
31 AD3
32 HWRESET
33 XIN
34 XOUT
35 AVDD_MPLL
36 GND
37 HSYNC0
38 VSYNC0
39 GND
40 NC
41 NC
42 GND
43 NC
44 NC
45 VDD_ADC
46 NC
47 NC
48 GND
49 NC
50 NC
51 VDD_ADC
52 REXT
53 AVDD PLL
54 GND
55 AVDD ADC
56 GND
57 BINOM
58 BINO
59 GINOM
60 GINO
61 SOGIN0
62 RINOM
63 RINO
64 GND
65 AVDD_ADC
66 REFP
67 REFM
68 GND
69 ALE/CS
70 WRZ/SDA
71 RDZ/SCL
72 INT
73 PWM0
74 PWM1
75 NC
76 NC
ViewSonic Corporation
Not connected
I
Digital Core Power
Ground
Ground
O Digital Output Power
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
I/O DDR direct bus AD0; 4mA driving strength
I/O DDR direct bus AD3; 4mA driving strength
I Hardware reset; active high
I Crystal Oscillator Input
O Crystal Oscillator Output
MPLL Power
Ground
I Analog HSYNC input
I Analog VSYNC input
Ground
Not connected
Not connected
Ground
Not connected
Not connected
ADC Power
I
Not connected
Not connected
Ground
Not connected
Not connected
ADC Power
I
External resistor 390 ohm to AVDD ADC
I PLL Power
Ground
I ADC Power
Ground
Reference ground for analog blue input
I
I Analog blue input
Reference ground for analog green input
I
Analog green input
I
Sync-on-green input
I
I Reference ground for analog red input
Analog red input
I
Ground
ADC Power
I
Internal ADC top de-coupling pin
Internal ADC bottom de-coupling pin
Ground
I DDR direct bus ALE; active high
I/O DDR direct bus WRZ; active low
I DDR direct bus RDZ; active low
O CPU interrupt; 4mA driving strength
PWM0; 4mA driving strength
O
PWM1; 4mA driving strength
O
Not connected
Not connected
Confidential - Do Not Copy
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VA702-1_VA702b-1