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參數(shù)資料
| 型號： | TMS320AV420 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Digital NTSC Encoder(數(shù)字NTSC編碼器) |
| 中文描述： | NTSC制式的數(shù)字編碼器（數(shù)字NTSC制式編碼器） |
| 文件頁數(shù)： | 3/18頁 |
| 文件大小： | 487K |
| 代理商： | TMS320AV420 |
TMS320AV420
DIGITAL NTSC ENCODER
SCSS015A – AUGUST 1994 – REVISED SEPTEMBER 1995
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Terminal Functions
TERMINAL
NAME
I/O
DESCRIPTION
NO.
OSCIN
54
I
Oscillator or external clock input
OSCOUT
53
O
Oscillator output
RESET
68
I
Reset input
VCC
17, 28, 37,
45, 55, 70
I
Supply voltage
VCCA
VREF
6, 79
I
Analog power supply
1
I
D/A reference voltage input
VSS
9, 22, 32,
41, 52, 63
I
Ground
VSSA
2, 75
I
Analog ground
Analog Video
BIASC
3
I
C D/A bias-capacitor terminal
BIASY
76
I
Y D/A bias-capacitor terminal
COMPC
4
I
C compensation-capacitor terminal
COMPY
77
I
Y compensation-capacitor terminal
COUT
7
O
C signal output
IREFC
5
I
C reference-current input
IREFY
78
I
Y reference-current input
YOUT
80
O
Y signal output
Digital Video
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
D16
D17
D18
D19
D20
D21
D22
D23
49
48
47
46
44
43
42
39
36
35
34
33
31
30
29
27
26
25
24
23
21
20
19
18
I
Digital video input. Data is read at the rising edge of CLK135.
FORM1 = L, FORM0 = L (RGB)
D[7:0] – R[7:0] input
D[15:8] – G[7:0] input
D[23:16] – B[7:0] input
FORM1 = H, FORM0 = L (YUV 4:4:4)
D[7:0] – U[7:0] input
D[15:8] – Y[7:0] input
D[23:16] – V[7:0] input
FORM1 = H, FORM0 = H (YUV 4:2:2)
D[7:0] – U, V[7:0] input
D[15:8] – Y[7:0] input
D[23:16] – Should be connected to ground or to the power supply.
FORM0
FORM1
64
65
I
Input-mode select:
FORM1 = L, FORM0 = L – RGB input
FORM1 = L, FORM0 = H – Invalid
FORM1 = H, FORM0 = L – YUV 4:4:4 input
FORM1 = H, FORM0 = H – YUV 4:2:2 input
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