參數(shù)資料
型號： M37281EKSP
廠商： Renesas Technology Corp.
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
中文描述： 單芯片8位CMOS微機隱蔽字幕解碼器和屏幕顯示控制器
文件頁數(shù)： 55/172頁
文件大?。?/td> 1319K
代理商： M37281EKSP
Rev.1.01 2003.07.16 page 55 of 170
M37281MAH
–
XXXSP,M37281MFH
–
XXXSP,M37281MKH
–
XXXSP, M37281EKSP
8.10 DATA SLICER
This microcomputer includes the data slicer function for the closed
caption decoder (referred to as the CCD). This function takes out the
caption data superimposed in the vertical blanking interval of a com-
posite video signal. A composite video signal which makes the sync
chip
’
s polarity negative is input to the CV
IN
pin.
When the data slicer function is not used, the data slicer circuit and
the timing signal generating circuit can be cut off by setting bit 0 of
the data slicer control register 1 (address 00E0
16
) to
“
0.
”
These set-
tings can realize the low-power dissipation.
Fig. 8.10.1 Data Slicer Block Diagram
Composite
video
signal
1 M
Sync pulse counter
register
(address 00E9
16
)
Data slicer control register 2
(address 00E1
16
)
Data slicer control register 1
(address 00E0
16
)
Clock run-in defect register
(address 00EA
16
)
Caption position register
(address 00E6
16
)
Data clock position register
(address 00EB
16
)
Interrupt request
generating circuit
Data slicer
interrupt
request
Synchronizing
signal counter
Synchronizing
separation
circuit
Sync slice
circuit
Clamping
circuit
Low-pass
filter
Timing signal
generating
circuit
Clock run-in
determination
circuit
Data slice line
specification
circuit
Start bit detecting
circuit
Data clock
generating circuit
16-bit shift register
Caption data register 1
(address 00E2
16
)
Caption data register 2
(address 00E3
16
)
Data bus
Comparator
0.1
μ
F
470
560 pF
CV
IN
1
μ
F
1 k
200 pF
H
SYNC
HLF
+
–
Reference
voltage
generating
circuit
V
HOLD
1000 pF
high-order
low-order
Data slicer ON/OFF
Caption data register 4
(address 00E5
16
)
Caption data register 3
(address 00E4
16
)
External circuit
Note :
Make the length of wiring which is connected
to V
HOLD
, HLF, and CV
IN
pin as short as
possible so that a leakage current may not
be generated when mounting a resistor or a
capacitor on each pin.
相關(guān)PDF資料
PDF描述
M37281MAH-XXXSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37281MFH-XXXSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37281MKH-XXXSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37534E4GP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37534E4FP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37281ERSS 功能描述:EMULATION MCU/8BIT CMOS EMULATIO RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 過時/停產(chǎn)零件編號 系列:- 標準包裝:1 系列:- 傳感器類型:CMOS 成像，彩色（RGB） 傳感范圍:WVGA 接口:I²C 靈敏度:60 fps 電源電壓:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相關(guān)產(chǎn)品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP
M37281MAH-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37281MFH-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37281MKH-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M372899234 制造商:ITW Switches 功能描述:IN-RUSH
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