ViewSonic VS12335-1M, Руководство по обслуживанию

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GPIO28 I/O w/ 5V-tolerant General Purpose Input/Output; 4mA driving strength 87
GPIO27 I/O w/ 5V-tolerant General Purpose Input/Output; 4mA driving strength 86
GPIO26 I/O w/ 5V-tolerant General Purpose Input/Output; 4mA driving strength 85
GPIO25 I/O w/ 5V-tolerant General Purpose Input/Output; 4mA driving strength 84
GPIO24 I/O w/ 5V-tolerant General Purpose Input/Output; 4mA driving strength 83
GPIO23 I/O w/ 5V-tolerant General Purpose Input/Output; 4mA driving strength 82
GPIO22 I/O w/ 5V-tolerant General Purpose Input/Output; 4mA driving strength 81
GPIO21 I/O w/ 5V-tolerant General Purpose Input/Output; 4mA driving strength 80
GPIO20 I/O w/ 5V-tolerant General Purpose Input/Output; 4mA driving strength 79
GPIO15/CEC I/O General Purpose Input/Output; 4mA driving strength / Consumer Electronics Control
134
GPIO14/UART_TX1 I/O General Purpose Input/Output; 4mA driving strength / Universal
Asynchronous Transmitter 196
GPIO13/UART_RX1/CEC I/O General Purpose Input/Output; 4mA driving strength /
Universal Asynchronous Receiver / Consumer Electronics Control 195
PWM3 Output Pulse Width Modulation Output; 4mA driving strength 125
PWM2 Output Pulse Width Modulation Output; 4mA driving strength 124
PWM1 Output Pulse Width Modulation Output; 4mA driving strength 123
PWM0 Output Pulse Width Modulation Output; 4mA driving strength 122
SAR3 Analog Input SAR Low Speed ADC Input 3; General Purpose Input/Output 121
SAR2 Analog Input SAR Low Speed ADC Input 2; General Purpose Input/Output 120
SAR1 Analog Input SAR Low Speed ADC Input 1; General Purpose Input/Output 119
SAR0 Analog Input SAR Low Speed ADC Input 0; General Purpose Input/Output 118
DRAM Interface
Pin Name Pin Type Function Pin
DQM[3:0] Output Data Mask for Low Byte; active high 177, 188, 231, 242
DQS[3:0] I/O Data Strobe 168, 192, 221, 246
MVREF Input Reference Voltage for DDR SDRAM Interface 197
MCLKZ Output DRAM Memory Negative Differential Clock 198
MCLK Output DRAM Memory Positive Differential Clock 199
MCLKE Output DRAM Memory Clock Enable 200
BADR[1:0] Output DRAM Memory Bank Address 216, 217
WEZ Output Write Enable; active low 218
RASZ Output Row Address Strobe; active low 219
CASZ Output Column Address Strobe; active low 220
MDATA[31:0] I/O DRAM Memory Data Bus 170, 171, 173-176,
178, 179, 181-186,
189, 190, 223, 224,
226-229, 232, 233,
235-240, 243, 244
MADR[12:0] Output DRAM Memory Address 215-210, 208-202
USB Interface
Pin Name Pin Type Function Pin
USB_REXT USB External Resistor Pin;Connected through 910 ohm (±1%) Resistor to GND
(Pin#253)249
USB_DM Analog I/O USB Inverting Data Input/Output 251
USB_DP Analog I/O USB Non Inverting Data Input/Output 252
Misc. Interface
Pin Name Pin Type Function Pin
DDCD_DA I/O w/ 5V-tolerant HDCP Serial Bus Data / DDC Data of DVI/HDMI Port 14
DDCD_CK Input w/ 5V-tolerant HDCP Serial Bus Clock / DDC Clock of DVI/HDMI Port 15
DDCA_DA I/O w/ 5V-tolerant DDC Data for Analog Port 116
DDCA_CK I/O w/ 5V-tolerant DDC Clock for Analog Port 117
HWRESET Schmitt Trigger Input w/ 5V-tolerant Hardware Reset; active high 128
DDCR_DA I/O w/ 5V-tolerant DDC Data for ROM 126
DDCR_CK I/O w/ 5V-tolerant DDC Clock for ROM 127
XIN Analog Input Crystal Oscillator Input 255
XOUT Analog Output Crystal Oscillator Output 254
Power Pins
ViewSonic Corporation 31 VT2430-1M
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