參數(shù)資料
型號: M38C31E4MXXXFS
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): 14/62頁
文件大小: 881K
代理商: M38C31E4MXXXFS
14
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
38C3 Group
Fig. 12 Port block diagram (3)
(14)Port P7
0
Direction register
Data bus
Port latch
Port selection pull-up control
Oscillator
Port P7
0
(15)Port P7
1
Direction register
Data bus
Port Xc switch bit
Port latch
Port selection pull-up control
Sub-clock generating circuit input
(16)COM
0
–COM
3
V
L3
V
L2
V
L1
The gate input signal of each
transistor is controlled by the
LCD duty ratio and the bias
value.
(13)Port P6
Analog input pin selection bit
A-D conversion input
Data bus
Port latch
Direction register
Pull-up control
(17)Port P8
Key input (key-on wake-up) interrupt input
Data bus
Direction register
Port latch
Pull-up control
P-channel output disable bit
Port Xc switch bit
Port Xc switch bit
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