参数资料
型号: M38748EAF-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: 17/92页
文件大小: 1292K
代理商: M38748EAF-XXXFS
17
3874 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Fig. 12 Port block diagram (1)
(1) Ports P0,P1,P3,P7
3
,P7
4
,P8
1
Direction register
Data bus
Port latch
(2) Port P2
(3) Port
P4
0
Data bus
Port X
C
switch bit
Port latch
Oscillator
Port P4
1
Port X
C
switch bit
(4) Port P4
1
Data bus
Port X
C
switch bit
Port latch
Sub-clock generating circuit input
(5) Ports P4
2
,P4
3
,P5
1
,P5
2
,P5
3
Data bus
Direction register
Port latch
INT
1
–INT
5
interrupt input
Data bus
Direction register
Port latch
Key input interrupt input
P2 pull-up
(6) Port P4
4
Direction register
Data bus
Serial I/O1 enable bit
Receive enable bit
Serial I/O1 input
Port latch
Direction register
Direction register
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