參數(shù)資料
型號： M37274MA-052SP
廠商： Mitsubishi Electric Corporation
英文描述： PHOTO SM DETECTOR
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)： 39/147頁
文件大小： 2042K
代理商： M37274MA-052SP
39
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37274EFSP
PRELIMINARY
Notice: This is not a final specification.
Some paramentic limits are subject to change.
MITSUBISHI MICROCOMPUTERS
Fig. 33. Data Slicer Control Register 2
Fig. 34. Data Slicer Control Register 3
b7 b6 b5 b4 b3 b2 b1 b0
Data slicer Control register 2 (DSC2) [Address 00EB
16
]
B
Name
Functions
After reset
R W
Data slicer Control Register 2
0
1
0
R
0
R
W
W
Indeterminate
R —
0
R W
0
0: Stopped
1: Operating
Timing signal generating
circuit control bit (DSC20)
2, 7
Read-only
Test bit
3, 4,
6
Fix these bits to “0.”
5
0: Match
1: Mis match
V-pulse shape determination
flag (DSC25)
Indeterminate
R —
0
0
0: Video signal
1: H
SYNC
signal
Reference clock source
selection bit (DSC21)
b7 b6 b5 b4 b3 b2 b1 b0
Data slicer control register 3 (DSC3) [Address 0210
16
]
B
Bit
Functions
After reset
R W
Data Slicer Control Register 3
0
0
R W
0
R W
0
R W
0: Main data slice line
1: Sub-data slice line
Line selection bit for
slice voltage (DSC30)
3
to
7
1, 2 Field to be sliced data
selection bit
(DSC31, DSC32)
Definition of fields 1 (F1) and 2 (F2)
Hsep
V
SYNC
Vsep
F1 :
Hsep
V
SYNC
Vsep
F2 :
Field of sub-
data slice line
F2
F1
F1 and F2
F1 and F2
b2 b1
0 0
0 1
1 0
1 1
F2
F1
F2
F1
Field for setting
refernce voltage
Setting bit of sub-data
slice line
(DSC33 to DSC37)
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