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)： 104/147頁
文件大?。?/td> 2042K
代理商： M37274MA-052SP
104
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. 109. Clock Generating Circuit Block Diagram
X
CIN
X
COUT
OSC1 oscillating
mode
selection bits
(Notes 1, 4)
Internal system clock
selection bit (Notes 1, 3)
Internal system clock
selection bit (Notes 1, 3)
Main clock (X
IN
–X
OUT
) stop bit (Notes 1, 3)
R
S
Q
STP instruction
WIT
instruction
R
S
Q
Reset
Interrupt disable flag I
Interrupt request
R
S
Q
Reset
STP instruction
Timing
(Internal clock)
Timer 3
count source selection bit (Notes 1, 2)
“1”
Timer 3 count
stop bit (Notes 1, 2)
Timer 4 count
stop bit (Notes 1, 2)
Timer 3
Timer 4
1/2
1/8
X
OUT
X
IN
“1”
“0”
“0”
Notes 1 :
The value at reset is “0.”
2 :
Refer to the structure of timer mode register 2.
3 :
Refer to the structure of CPU mode register (next page).
4 :
Refer to the structure of clock source control register.
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