参数资料
型号: M38749E9D-XXXFS
厂商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述: 单芯片8位CMOS微机
文件页数: 63/92页
文件大小: 1292K
代理商: M38749E9D-XXXFS
63
3874 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Timing
φ
(internal clock)
Timer 2
count source
selection bit
WIT
instruction
STP instruction
S
R
Q
STP instruction
S
R
Q
Main clock
stop bit
S
R
Q
Timer 2
Timer 1
1/2
1/4
X
IN
X
OUT
X
COUT
X
CIN
Interrupt request
Interrupt disable flag I
Reset
1/16
1/2
C
switch bit
“1”
Port X
“1”
“0”
Timer 1
count source
selection bit
“0”
“1”
“10”
“00,01,11”
“01”
“00,10”
Note:
When low-speed mode is selected, set port X
C
switch bit (b4) to “1.”
Main clock division ratio
selection bits
(Note)
Main clock division ratio
selection bits
(Note)
“11”
Fig. 70 System clock generating circuit block diagram
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