参数资料
型号: M37274MA-XXXSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PDIP52
封装: 0.600 INCH, 1.778 MM PITCH, SHRINK, PLASTIC, DIP-52
文件页数: 116/131页
文件大小: 2049K
代理商: M37274MA-XXXSP
85
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37274MA-XXXSP
PRELIMINARY
Notice:
This
is not
a final
specification.
Some
paramentic
limits
are
subject
to change.
MITSUBISHI MICROCOMPUTERS
Fig. 97. 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
(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”
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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