參數(shù)資料
型號(hào): M38274EDMXXXFS
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(yè)數(shù): 14/70頁(yè)
文件大小: 1112K
代理商: M38274EDMXXXFS
14
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
3827 Group
MITSUBISHI MICROCOMPUTERS
Fig. 10 Port block diagram (1)
(5) Port P4
4
(4) Ports P1
6
, P1
7
, P2, P4
1
, P4
2
Except P1
6
, P1
7
Data bus
Direction register
Port latch
Pull-up control
Key input interrupt input
INT
1
, INT
2
interrupt input
Serial I/O1 enable bit
Reception enable bit
Serial I/O1 input
Port latch
Pull-up control
(1) Ports P0
1
–P0
7
, P1
1
–P1
5
Port direction register
Data bus
Port latch
Port direction register
Segment data
LCD drive timing
Port/Segment
Segment/Port
Segment
Port
Pull-up
V
/V
/V
CC
V
L1
/V
SS
Interface logic level
shift circuit
(2) Ports P0
0
, P1
0
Port direction register
Data bus
Port latch
Segment data
LCD drive timing
Port/Segment
SV
Segment
Port
Pull-up
V
L1
/V
SS
L2
/V
L3
/V
CC
Interface logic level
shift circuit
Direction register
(3) Port P3
Output control
Data bus
Port latch
Segment data
LCD drive timing
Port/Segment
Segment/Port
Segment
Port
Pull-up
V
/V
/V
CC
V
L1
/V
SS
Interface logic level
shift circuit
Data bus
Direction register
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