参数资料
型号: M38227ECHP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PQFP80
封装: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, QFP-80
文件页数: 15/82页
文件大小: 1168K
代理商: M38227ECHP
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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