參數(shù)資料
型號(hào): M38271E2MXXXHP
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(jī)
文件頁(yè)數(shù): 17/70頁(yè)
文件大?。?/td> 1112K
代理商: M38271E2MXXXHP
17
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
3827 Group
Fig. 13 Port block diagram (4)
(18) Port P6
1
(19) Port P6
2
(20) Port P6
3
Data bus
Serial I/O2 output
Port latch
Serial I/O2 transmit completion signal
Synchronous clock selection bit
Serial I/O2 port selection bit
Direction register
Pull-up control
Analog input pin selection bit
A-D conversion input
P6
1
/S
OUT2
P-channel output disable bit
(21) COM
0
–COM
3
(22) SEG
0
–SEG
17
V
L3
V
L2
V
L1
V
SS
V
L2
/V
L3
V
L1
/V
SS
The gate input signal of each
transistor is controlled by the
LCD duty ratio and the bias
value.
The voltage applied to the sources of
P-channel and N-channel transistors
is the controlled voltage by the bias
value.
(23) Port P7
0
Data bus
Port latch
Direction register
INT
0
input
Synchronous clock selection bit
Data bus
Serial I/O2 clock output
Serial I/O2 clock input
Port latch
Direction register
Data bus
Port latch
Direction register
Synchronous clock selection bit
Serial I/O2 port selection bit
Synchronous clock output pin selection bit
Pull-up control
selection bit
Serial I/O2 port selection bit
Pull-up control
Analog input pin selection bit
A-D conversion input
Serial I/O2 clock output
Analog input pin selection bit
A-D conversion input
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