參數(shù)資料
型號: M38199MF-287FP
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述: 單芯片8位CMOS微機(jī)
文件頁數(shù): 48/60頁
文件大小: 664K
代理商: M38199MF-287FP
48
3819 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Notes
Main clock stop bit (Note 3)
Middle/
High-speed mode
High-speed mode
or Low-speed mode
Main clock division ratio selection bit (Note 3)
Middle-speed mode
Timing
φ
(Internal clock)
WIT
instruction
Q
S
R
STP instruction
X
IN
X
OUT
Port X
C
switch bit (Note 3)
Internal system clock selection bit
(Note 1, 3)
Low-speed mode
“1”
Timer 1 count
source selection
bit (Note 2)
“1”
X
CIN
X
COUT
“1”
“0”
Reset
Interrupt disable flag I
Interrupt request
1/4
1/2
1/2
Timer 1
“0”
“0”
S
Q
R
Q
S
R
STP instruction
1 :
When selecting the low-speed mode, set the port X
C
switch bit to “1”.
2 :
Refer to the structure of timer 12 mode register.
3 :
Refer to the structure of CPU mode register (next page).
Fig. WA-3 Clock generating circuit block diagram
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