參數(shù)資料
型號: M38025E4
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): 12/51頁
文件大?。?/td> 692K
代理商: M38025E4
MITSUBISHI MICROCOMPUTERS
3802 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
12
Fig. 4 Port block diagram (single-chip mode) (1)
(1) Ports P0, P1, P2, P3
2
–P3
7
Direction register
Data bus
Port latch
(2) Ports P3
0
, P3
1
(3) Ports P4
0–
P4
3
, P5
7
Direction register
Data bus
Port latch
Serial I/O1 input
Serial I/O1 enable bit
Receive enable bit
(4) Port P4
4
(5) Port P4
5
(6) Port P4
6
Direction register
Data bus
Port latch
Serial I/O1 ready output
Serial I/O1 enable bit
S
RDY1
output enable bit
Serial I/O1 mode selection bit
(7) Port P4
7
(8) Port P5
0
Serial I/O2 input
Direction register
Data bus
Port latch
D–A conversion output
DA
1
output enable bit (P3
0
)
DA
2
output enable bit (P3
1
)
Direction register
Data bus
Port latch
Interrupt input
Direction register
Data bus
Port latch
Serial I/O1 output
Serial I/O1 enable bit
Transmit enable bit
P4
5
/T
X
D P-channel output disable bit
Direction register
Data bus
Port latch
Serial I/O1 clock output
Serial I/O1 mode selection bit
Serial I/O1 enable bit
Serial I/O1 enable bit
Serial I/O1 synchronous
clock selection bit
Serial I/O1
external
clock input
Direction register
Data bus
Port latch
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