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(jī)隱蔽字幕解碼器和屏幕顯示控制器
文件頁數(shù)： 127/147頁
文件大?。?/td> 2042K
代理商： M37274MA-052SP
127
MITSUBISHI MICROCOMPUTERS
M37274EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
PRELIMINARY
Notice: This is not a final specification.
Some paramentic limits are subject to change.
Clock Run-in detect Register 2
Clock Run-in detect Register i
Addresses 00E8
16
, 0208
16
Address 00E9
16
b7 b6 b5 b4 b3 b2 b1 b0
Clock run-in detect register i (CRDi) (i=1, 3) [Addresses 00E8
16
, 0208
16
]
Clock Run-in Detect Register i
0
to
2
0
R W
Test bits
0
R —
3
to
7
Clock run-in detection bits
(CRDi3 to CRDi7)
B
After reset
Functions
Name
R W
Read-only
Number of reference clock s
to be counted one clock run-
in pulse period
b7 b6 b5 b4 b3 b2 b1 b0
Clock run-in detect register 2 (CRD2) [Address 00E9
16
]
Clock Run-in Detect Register 2
B
After reset
Functions
Name
R W
0
R W
0
to
2
0
R W
Clock run-in pulses for
sampling
(CRD20 to CRD22)
3
to
7
Data clock generating
time
(CRD23 to CRD27)
b2 b1 b0
0 0 0 : Not available
0 0 1 : 1st pulse
0 1 0 : 2nd pulse
0 1 1 : 3rd pulse
1 0 0 : 4th pulse
1 0 1 : 5th pulse
1 1 0 : 6th pulse
1 1 1 : 7th pulse
Time from detection of a start
bit to occurrence of a data clock
= (13 + set value)
reference clock period
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