參數(shù)資料
型號(hào)： P83C270AAR
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： Microcontrollers for NTSC TVs with On-Screen Display OSD and Closed Caption CC
中文描述： 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PDIP52
文件頁(yè)數(shù)： 35/80頁(yè)
文件大小： 266K
代理商： P83C270AAR
1999 Jun 11
35
Philips Semiconductors
Product specification
Microcontrollers for NTSC TVs with On-Screen
Display (OSD) and Closed Caption (CC)
P8xCx70 family
Fig.12 Data Slicer block diagram.
handbook, full pagewidth
MGR278
LEVEL SHIFT
AND ADC
SYNC
SEPARATOR
DATA
DETECTOR
BYTE
EXTRACTOR
CC interrupt
CCData1,
CCData2
BIT CLOCK
RECOVERY
CVBS
Fig.13 Line 21 CVBS Transmission Format.
handbook, full pagewidth
MGK588
50
25
20
0
40
20
IRE units
Hsync
Program colour burst
clock pulse
in burst
clock run-in
(7 cycles)
Byte 1
Byte 2
Start bit
D0
D6
D0
D6
P
P
Odd/Even
field
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