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參數(shù)資料
| 型號(hào)： | PACVGA203 |
| 廠商： | California Micro Devices Corporation |
| 英文描述： | VGA Port Companion Circuit |
| 中文描述： | VGA端口伴侶電路 |
| 文件頁(yè)數(shù)： | 3/8頁(yè) |
| 文件大?。?/td> | 168K |
| 代理商： | PACVGA203 |
2004 California Micro Devices Corp. All rights reserved.
12/07/04
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
●
Tel: 408.263.3214
●
Fax: 408.263.7846
●
www.calmicro.com
3
PACVGA203
PIN DESCRIPTIONS
LEAD(s)
NAME
DESCRIPTION
1
V
CC
4
Positive voltage supply pin. This is an isolated V
CC
pin for the SYNC_1, SYNC_2, SD1
and SD2 circuits.
2
V
CC
1
Positive voltage supply pin. This is an isolated V
CC
pin for the VIDEO_1, VIDEO_2 and
VIDEO_3 ESD circuits.
3-5
VIDEO_1, VIDEO_2,
VIDEO_3
RGB Video Protection Channels. These pins tie to the RGB video lines (for example, the
Blue signal) between the VGA controller device and the video connector.
6
GNDD
Digital Ground reference supply pin.
7
GNDA
Ground reference supply pin for TERM_1, TERM_2 and TERM_3 pins.
8-10
TERM_1, TERM_2,
TERM_3
RGB Video Termination Channels. These pins tie to the RGB video lines (for example,
the Blue signal) providing a 75
termination to GNDA for the given video channel.
Sync Signal Output 1. Ties to the video connector side of one of the sync lines (for
example the Horizontal Sync signal).
11
PWR_UP
12
V
CC
2
Positive voltage supply pin. This is an isolated V
CC
pin for the DDC_IN1 and DDC_IN2
input circuits. Defines the logic one level for the DDC_OUTn outputs.
13
V_BIAS
Used to derive V
CC3
from V
CC4
input.
Positive voltage supply pin. This is an isolated V
CC
pin for the DDC_OUT1 and
DDC_OUT2 ESD protection circuits.
14
V
CC
3
15
DDC_OUT1
DDC Signal Output 1. Connects to the connector side of one of the DDC signals (for
example, the bidirectional DDC_Data serial line).
16
DDC_IN1
DDC Signal Input 1. Connects to the VGA Controller side of one of the DDC signals (for
example, the bidirectional DDC_Data serial line).
17
DDC_IN2
DDC Signal Input 2. Connects to the VGA Controller side of one of the DDC signals (for
example, the bidirectional DDC_Clk).
18
DDC_OUT2
DDC Signal Output 2. Connects to the connector side of one of the DDC signals (for
example, the bidirectional DDC_Clk).
19
SYNC_IN1
Sync Signal Buffer Input 1. Connects to the VGA Controller side of one of the sync lines
(for example, the Horizontal Sync signal).
20
SYNC_OUT1
Sync Signal Buffer Output 1. Connects to the video connector side of one of the sync
lines (for example the Horizontal Sync signal).
21
SYNC_IN2
Sync Signal Buffer Input 2. Connects to the VGA Controller side of one of the sync lines
(for example, the Vertical Sync signal).
22
SYNC_OUT2
Sync Signal Buffer Output 2. Connects to the video connector side of one of the sync
lines (for example the Vertical Sync signal).
23
SD1
Sync Signal Filter 1. Connects to the video connector side of one of the sync lines (for
example the Vertical Sync signal).
24
SD2
Sync Signal Filter 2. Connects to the video connector side of one of the sync lines (for
example the Horizontal Sync signal).
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