ViewSonic VS11354 Service Manual page 25

13 NC
14 AVDD_DC
15 REXT
16 AVDD_PLL
17 BIN0M
18 BIN0P
19 GIN0M
20 GIN0P
21 SOGIN0
22 RIN0M
23 RIN0P
24 AVDD_ADC
25 REFM
26 REFP
27 HSYNC0
28 VSYNC0
29 GND
30 DDCA_SDA/RS232_TX
31 DDCA_SCL/RS232_RX
32 VDDP
33 GND
34 VDDC
35 GPIO_P15/PWM0
36 NC
37 SDO
38 SCZ
39 SCK
40 SDI
41 NC
42 NC
43 GPIO_P11/I2C_MDA
44 GPIO_P10/I2C_MCL
45 NC
46 NC
47 NC
48 GPIO_P27/PWM1
49 VDDP
50 GND
51 VDDC
52 MODE[0]
ViewSonic Corporation
Not connected
I ADC Power
External resistor 390 ohm to AVDD_ADC
I PLL Power
I Reference ground for analog blue input
I Analog blue input
I Reference ground for analog green input
I Analog green input
I Sync-on-green input
I Reference ground for analog red input
I Analog red input
I ADC Power
Internal ADC bottom de-coupling pin
Internal ADC top de-coupling pin
I Analog HSYNC input
I Analog VSYNC input
Ground
DDC Data for Analog Interface; 4mA driving
I/O
strength/UART Transmitter/GPIO
DDC Clock for Analog Interface/UART
I/O
Receiver/GPIO
I Digital Output Power
Ground
I Digital Core Power
General Purpose Input/Output; 4mA driving
strength/Pulse Width Modulation Output; 4mA driving
I/O
strength
Not Connected
I SPI Flash Serial Data Output
O SPI Flash Chip Select
O SPI Flash Serial Clock
O SPI Flash Serial Data Input
Not Connected
Not Connected
General Purpose Input/Output; 4mA driving
I/O
strength/I2C Master Data
General Purpose Input/Output; 4mA driving
I/O
strength/I2C Master Clock
Not Connected
Not connected
Not connected
General Purpose Input/Output; 4mA driving
I/O strength/Pulse Width Modulation Output; 4mA driving
strength
I Digital Output Power
Ground
I Digital Core Power
I Chip Configuration Input
Confidential - Do Not Copy
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VG1921wm-2