參數(shù)資料
型號(hào): M3822
廠商: Mitsubishi Electric Corporation
英文描述: Single Chip 8 Bits Microcomputer(8位單片機(jī))
中文描述: 單芯片8位單片機(jī)(8位單片機(jī))
文件頁數(shù): 14/52頁
文件大?。?/td> 781K
代理商: M3822
14
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
3822 Group
Fig. 5 Port block diagram (1)
(1)Ports P0, P1
Segment output enable bit
V
L1
/V
SS
(Note)
Data bus
register
Port latch
Pull-down control
Segment output enable bit
Note :
Bit 0 of direction register
V
L2
/V
L3
(2)Ports P2, P4
2
, P4
3
, P5
0
, P5
1
Data bus
Pull-up control
Key input (Key-on wake up) interrupt input
INT
0
–INT
3
interrupt input
register
Port latch
(3)Ports P3
4
–P3
7
V
L2
/V
L3
V
L1
/V
SS
Pull-down control
Segment output enable bit
(4)Port P4
0
Data bus
(5)Port P4
1
φ
φ
output control bit
Pull-up control
Data bus
Port latch
register
(6)Port P4
4
Pull-up control
Reception enable bit
Serial I/O enable bit
Serial I/O input
Data bus
register
Port latch
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