■
PWM Interface: (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)
6bit dual TTL
cannot support
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
19
ViewSonic
Corporation
Co
nfidential
-
Do
Not
Copy
VE510s-4_VE510b-4
Содержание VE510b-4
Страница 61: ...Model Title Date Rev ViewSonic Corporation 58 ViewSonic Corporation Confidential Do Not Copy VE510s 4_VE510b 4...
Страница 70: ...11 2 MAIN PCB BOTTOM VIEW 67 ViewSonic Corporation Confidential Do Not Copy VE510s 4_VE510b 4...
Страница 71: ...11 3 CON PCB TOP VIEW 69 ViewSonic Corporation Confidential Do Not Copy VE510s 4_VE510b 4...
Страница 72: ...11 4 CON PCB BOTTOM VIEW 69 ViewSonic Corporation Confidential Do Not Copy VE510s 4_VE510b 4...
Страница 74: ...11 6 POWER PCB BOTTOM VIEW 71 ViewSonic Corporation Confidential Do Not Copy VE510s 4_VE510b 4...