ViewSonic VA703b-4 - Page 25

ViewSonic Corporation 22 Confidential - Do Not Copy VA703b-4_VA703m-4
 TMDS: 18 pins
Name I/O Pin No
Description
Note
TMDS_TST/ PWM1 AIO 9 TMDS_TEST Pin / PWM1 /
Power-on-latch for serial / parallel port
TMDS_GND G 10
TMDS_VDD P 11 (3.3V)
EXT_RES A 12 Impedance Match Reference.
TMDS_VDD P 13 (3.3V)
RX2P I 14 Differential Data Input
RX2N I 15 Differential Data Input
TMDS_GND G 16
RX1P I 17 Differential Data Input
RX1N I 18 Differential Data Input
TMDS_VDD P 19 (3.3V)
RX0P I 20 Differential Data Input
RX0N I 21 Differential Data Input
TMDS_GND G 22
RXCP I 23 Differential Data Input
RXCN I 24 Differential Data Input
TMDS_GND G 25
TMDS_VDD P 26 (3.3V)
 PWM Interface: 3-2=1 pin (PWM1, PWM2 can be selected from 1 of 3 possible pins.)
Name
I/O
Pin No Description Note
PWM2 / TCON [2] / S [3] O 51 PWM2 / TCON [2] / SDIO [3] (1), (2), (3), (5), (8),
PWM2 / TCON [13] / COUT O 55 PWM2 / TCON [13] / Crystal out (2), (8), (9)
PWM2 / TCON [12] / COUT O 113 PWM2 / TCON [12] / Crystal out (2), (8), (9)
PWM1 / TMDS_TST AIO 9
PWM1/ TMDS_TEST Pin /
Power-on-latch for serial / parallel port
(2), (7), (8)
PWM1 / DDCSDA / TCON [1] /
BBLU [0]
IO 47
PWM1 / DDC serial control I/F data input
/ output / TCON [4]
(1), (2), (3), (5), (8),
PWM1 / DDCSDA2 (HDCP) /
TCON [7]
IO 125
PWM1 / DDC serial control I/F data input
/ output / TCON [7]
(1), (2), (3), (5), (8),
PWM0 / REFCLK IO 112
PWM0 / (In / out) test pin for DCLK /
Video8 even-odd signal
(2), (9)