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參數(shù)資料
| 型號： | TMC2376 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | PC-to-TV Video Standards Converter(PC到TV視頻標準變換器) |
| 中文描述： | PC到電視視頻標準轉(zhuǎn)換器（電腦到電視視頻標準變換器） |
| 文件頁數(shù)： | 6/48頁 |
| 文件大?。?/td> | 233K |
| 代理商： | TMC2376 |
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PRODUCT SPECIFICATION
6
P
Digital RGB Inputs
R
7-0
59, 58, 57,
56, 41, 40,
39, 38
27, 26, 25,
24, 70, 71,
72, 73
102, 103,
104, 105,
120, 121,
122, 123
23
TTL input
Digital red input.
8-bit red input data.
G
7-0
TTL input
Digital green input.
8-bit green input data.
B
7-0
TTL input
Digital blue input.
8-bit blue input data.
XAD_SEL\
TTL input
Digital/analog RGB in select
. LOW selects external digital
R
7-0
G
7-0
B
7-0
inputs; HIGH selects internal A/D converters with
R
7-0
G
7-0
B
7-0
set to active outputs, states undefined.
Video Outputs
Y/R/V
14
Analog Video
Video output.
As programmed by Command Register DACFMT1-0
bits:
00 Luminance component Y of S-video
01 Red component of RGB
1X V component of YUV
Analog video
Video output.
As programmed by Command Register DACFMT1-0
bits:
00 Composite video.
01 Green component of RGB.
1X Y component of YUV.
Analog Video
Video output.
As programmed by Command Register DACFMT1-0
bits:
00 Chrominance component of S-video.
01 Blue component of RGB.
1X U component of YUV.
TTL output
Composite sync output.
Digital composite sync for YUV and RGB/
SCART video outputs.
CVBS/G/Y
11
C/B/U
16
CSYNC
20
Voltage Reference
VREF
7
+1.235 V
Voltage reference input/output.
If unconnected, except for a 0.1
μ
F
capacitor to ground for noise decoupling, the internal 1.235 Volt
band-gap reference will be supplied to the three D/A Converters . An
external 1.235 volt reference connected to the VREF pin, will
override the internal voltage reference.
Reference resistor.
Connected between RREF and ground, this
resistor sets the current range of the D/A converters.. Use 392
for
a 37.5
load and 768
for a 75
load.
Bypass Capacitor.
A 0.1
μ
F capacitor must be connected between
CBYPR and VDDDA to reduce noise at the D/A outputs.
RREF
8
392/768
CBYPR
10
0.1
μ
F
Pin Descriptions
(continued)
Pin Name
Pin
Number
128-pin
MQFP
Type/Value
Pin Function Description
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