參數(shù)資料
型號: M38257E8FP
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
文件頁數(shù): 16/70頁
文件大小: 607K
代理商: M38257E8FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
3825 Group
16
Fig. 12 Port block diagram (1)
(3) Port P4
4
Pull-up control
Reception enable bit
Serial I/O enable bit
Serial I/O input
Data bus
register
Port latch
(4) Port P4
5
Pull-up control
Direction
register
Data bus
Port latch
Serial I/O output
P4
5
/T
X
D P-channel output disable bit
Serial I/O enable bit
Transmission enable bit
(6) Port P4
7
Serial I/O ready output
Serial I/O mode selection bit
Serial I/O enable bit
S
RDY
output enable bit
Data bus
Pull-up control
register
Port latch
(7) Ports P5
2
, P5
3
Real time control bit
Real time port data
Pull-up control
Data bus
Port latch
register
(1) Ports P0, P1
0
–P1
5
, P3
L2
/V
L3
/V
CC
SegV
Data bus
Port latch
Interface logic
level shift circuit
Pull-down
Port
Segment
V
L1
/V
SS
LCD drive timing
Port/Segment
Segment data
Port ON/OFF
(2) Ports P1
6
, P1
7
, P2, P4
0
–P4
3
, P5
0
, P5
1
Key-on wake up interrupt input
INT
0
–INT
3
interrupt input
Except P1
6
, P1
7
, P4
0
, P4
1
Pull-up control
Data bus
Port latch
register
(5) Port P4
6
Serial I/O enable bit
Serial I/O mode selection bit
Serial I/O enable bit
Serial I/O clock input
Pull-up control
Data bus
Serial I/O clock output
Serial I/O synchronization clock
selection bit
Direction
register
Port latch
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