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 / TCON [7]
IO
125
PWM1 / TCON [7]
(1), (2), (3), (5),
(8),
PWM0 / REFCLK
IO
112
PWM0 / (In / out) test pin for DCLK /
Video8 even-odd signal
(2), (9)
■
DDC Channel:4 pins
Name I/O
Pin
No
Description
Note
DDCSCL/TCON [0] /
BBLU [1]
I
46
DDC serial control I/F clock/TCON [0]/TTL
BBLU [1]
(2), (3), (5)
DDCSDA/TCON [1] /
PWM1/BBLU [0]
IO
47
DDC serial control I/F data input/ output/
TCON [1]/ PWM1/ TTL BBLU [0]
(1), (2), (3), (5),
(6), (8)/8mA/no
slew
TCON [5]
I
126
TCON [5]
(2), (3), (5)
TCON [7]/PWM1
IO
125
TCON [7]/ PWM1
(1), (2), (3), (5),
(6), (8)/8mA/no
slew
■
Power & Ground:22 pins
Name I/O
Pin
No
Description
3.3V Power
P
49,121
VCCIO: 2
3.3V Ground
G 48,120
GNDIO:
2
3.3V Power
P 58,71,83,
95,110
PVCC:
5
3.3V Ground
G 57,72,84,96,109
PGND:
5
2.5V Power
P 45,69,98,127
VCCK:
4
2.5V Ground
G 44,70,97,128
GNDK:
4
Note: (1) TTL compatible CMOS Input (Vt=1.7V); VCC=3.3V;
(2) 5V tolerance pad;
(3) Internal 75K Ohms pull high resistor.
(4) Internal 75K Ohms pull low resistor.
(5) Schmitt trigger CMOS Input (Vt=1.4~2.2V);
(6) Open-Drain, Output Drive low & Pull-high.
(7) Bi-directional input/output
(8) Programmable driving current (2~10mA)
(9) TTL output 5V & 3.3V
(10) 4V tolerance pad
14
ViewSonic
Corporation
Co
nfidential
-
Do
Not
Copy
VA
521
VE510b/s-2
Содержание ve510b/s-21
Страница 55: ...11 2 MAIN PCB BOTTOM VIEW 52 ViewSonic Corporation Confidential Do Not Copy VA521 VE510b s 2 ...
Страница 57: ...11 5 POWER PCB TOP VIEW 54 ViewSonic Corporation Confidential Do Not Copy VA521 VE510b s 2 ...
Страница 58: ...11 6 POWER PCB BOTTOM VIEW 55 ViewSonic Corporation Confidential Do Not Copy VA521 VE510b s 2 ...