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M37271MF-252SP Datasheet(PDF) 82 Page - Mitsubishi Electric Semiconductor

Part # M37271MF-252SP
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER???
PDF  97 Pages
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Manufacturer  MITSUBISHI [Mitsubishi Electric Semiconductor]
Direct Link  http://www.mitsubishichips.com
Logo MITSUBISHI - Mitsubishi Electric Semiconductor

M37271MF-252SP Datasheet(HTML) 82 Page - Mitsubishi Electric Semiconductor

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MITSUBISHI MICROCOMPUTERS
M37271MF-XXXSP
M37271EF-XXXSP, M37271EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
82
Fig. 95. Clock generating circuit block diagram
XCIN
XCOUT
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 (XIN–XOUT) 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
φ
(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
XOUT
XIN
“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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