ViewSonic N1900w-1E Service Manual page 22

General Purpose Input/Output; 4mA driving strength Pin 119
GPIO_P13 I/O w/ 5V-tolerant General Purpose Input/Output; 4mA driving strength Pin 120
GPIO_P14 I/O w/ 5V-tolerant General Purpose Input/Output; 4mA driving strength Pin 121
GPIO_P16/PWM2 I/O w/ 5V-tolerant General Purpose Input/Output; 4mA driving strength/
Pulse Width Modulation Output; 4mA driving strength Pin 126
Misc. Interface
Pin Name Pin Type Function Pin
BYPASS For External Bypass Capacitor Pin 100
RST Input w/ 5V-Tolerant Chip Reset; High Reset Pin 105
RSTN Input w/ 5V-Tolerant Chip Reset; Low Reset Pin 108
VCTRL Output Regulator Control Pin 102
MODE[1:0] Input
Chip Configuration Input
Chip Operation MODE[1:0]
00 Normal Operation Pin 67, 70
DDCA_SDA/RS232_TX I/O w/ 5V-tolerant DDC Data for Analog Interface; 4mA driving strength/
UART Transmitter/GPIO Pin 39
DDCA_SCL/RS232_RX Input w/ 5V-Tolerant DDC Clock for Analog Interface/
UART Receiver/GPIO Pin 40
DDCD_SDA I/O w/ 5V-tolerant DDC Data for DVI interface and HDCP Slave Serial Port
Data; 4mA driving strength Pin 127
DDCD_SCL Input w/ 5V-Tolerant DDC Clock for DVI Interface and HDCP Slave Serial Port Data
Pin128
XIN Crystal Oscillator Input Xin Pin 122
XOUT Crystal Oscillator Output Xout Pin 123
Power Pins
Pin Name Pin Type Function Pin
AVDD_DVI 3.3V Power DVI Power Pin 8, 14
AVDD_ADC 3.3V Power ADC Power Pin 16
AVDD_MPLL 3.3V Power MPLL Power Pin 124
VDDP 3.3V Power Digital Output Power Pin 41 ,64, 69, 73, 83, 93, 113
VDDC 1.8V Power Digital Core Power Pin 42, 66, 84, 103
GND Ground Ground Pin 1, 2, 5, 11, 35, 36, 65, 68,74, 94, 98, 99, 101, 104,112, 125
No Connects
Pin Name Pin Type Function Pin
NC No Connect. Leave These Pins Floating. Pin 52, 97
Absolute Maximum Ratings
Parameter Symbol Min Typ Max Units
3.3V Supply Voltages VVDD_33 -0.3 3.6 V
1.8V Supply Voltages VVDD_18 -0.3 1.98 V
Input Voltage (5V tolerant inputs) VIN5Vtol -0.3 5.0 V
Input Voltage (non 5V tolerant inputs) VIN -0.3 VVDD_33 V
Ambient Operating Temperature TA 0 70 °C
Storage Temperature TSTG -40 150 °C
Junction Temperature TJ 150 °C
Thermal Resistance (Junction to Air) Natural
Conversion
θJA 34 °C/W
Thermal Resistance (Junction to Case) Natural
Conversion
θJC 6.0 °C/W
TSUM66AVHJ-LF-1 0 C to +70 C PQFP 128
I207 VCT49X3R
The VCT 49xyI, VCT 48xyI is an IC family of high-quality
single-chip TV processors. Modular design and
deep-submicron technology allow the economic integration
of features in all classes of single-scan TV
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ViewSonic Corporation N1900w-1E
Confidential - Do Not Copy