参数资料
型号: M38220MAXXXHP
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: 11/78页
文件大小: 998K
代理商: M38220MAXXXHP
19
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
3822 Group
MITSUBISHI MICROCOMPUTERS
Fig. 15 Port block diagram (1)
(3) Ports P34–P37
VL2/VL3
VL1/VSS
(1) Ports P0, P1
Segment output enable bit
VL2/VL3
VL1/VSS
(Note)
(2) Ports P2, P42, P43, P50, P51
Direction register
(5) Port P41
Direction register
(6) Port P44
Receive enable bit
Direction register
(4) Port P40
Data bus
Pull-down control
Segment output enable bit
Data bus
Direction register
Port latch
Pull-down control
Segment output enable bit
Note: Bit 0 of direction register.
Data bus
Port latch
Pull-up control
Key input (Key-on wake-up) interrupt input
INT0–INT3 interrupt input
φ
φ output control bit
Pull-up control
Data bus
Port latch
Pull-up control
Serial I/O enable bit
Serial I/O input
Data bus
Port latch
Data bus
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