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參數(shù)資料
| 型號： | SAA5700 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Chinese Character System Teletext CCST decoder |
| 中文描述： | 漢字系統(tǒng)圖文電視解碼器加科技 |
| 文件頁數(shù)： | 4/24頁 |
| 文件大小： | 139K |
| 代理商： | SAA5700 |
1997 May 16
4
Philips Semiconductors
Preliminary specification
Chinese Character System Teletext
(CCST) decoder
SAA5700
PINNING
SYMBOL
PIN
I/O
DESCRIPTION
OSCOUT
V
SS3
n.c.
BLACK
CVBS
1
2
3
4
5
O
oscillator output to crystal
ground for I/O pad buffers connect to V
SS
; internally connected to V
SS1
and V
SS2
not connected
black level sample and hold capacitor; 100 nF to V
SSA
video signal input; 100 nF series capacitor, 250
source impedance maximum,
reference to V
SSA
ADC current reference decoupling; 100 nF to V
SSA
current reference input; 10 k
to V
SSA
0 V power supply; analog
+5 V power supply; analog
ADC voltage reference decoupling; 100 nF to V
SSA
internally connected; do not use
internally connected; do not use
internally connected; do not use
connect to V
SS
for normal use
not connected
connect to V
SS
for normal use
scan line flyback input (HSYNC)
scan field flyback input (VSYNC)/sync to TV output
+5 V power supply; connect to V
DD
for normal use
output stage current return and 0 V
analog Red output
analog Green output
analog Blue output
fast blanking (VDS)
frame rate signal for hardware de-interlace (FRAME)
connect to V
SS
for normal use
chip select (address decode) for ROM
bit 0 of address to DRAM, ROM and IC
bit 1 of address to DRAM, ROM and IC
bit 2 of address to DRAM, ROM and IC
bit 3 of address to DRAM, ROM and IC
ground
I/O
I
STN
I
REF
V
SSA
V
DDA
REF+
i.c.
i.c.
i.c.
V
SS
n.c.
V
SS
LFB
FFB/STTV
V
DDX
V
SSO
R
G
B
BLAN
ODD/EVEN
V
SS
ROMCS
RA0
RA1
RA2
RA3
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
I/O
I
ground
supply
I
ground
ground
I
I/O
supply
ground
O
O
O
O
O
ground
O
O
O
O
O
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