參數(shù)資料
型號: 38D5
廠商: Renesas Technology Corp.
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): 24/141頁
文件大?。?/td> 2027K
代理商: 38D5
Rev.3.01
REJ03B0158-0301
Aug 08, 2007
Page 24 of 134
38D5 Group
Fig. 17 Port block diagram (4)
V
L3
V
L2
V
L1
V
SS
The gate input signal of each
transistor is controlled by the LCD
duty ratio and the bias value.
(21) Ports P7
2,
P7
3,
P7
4
(23) COM
4
/SEG
35
to COM
7
/SEG
32
(22) COM
0
to COM
3
(20) Ports P7
0,
P7
1
(19) Port P6
6
Data bus
Port latch
Direction
register
Pull-up control
INT
1
interrupt input
CNTR
0
interrupt input
Data bus
Port latch
Direction
register
Pull-up control
Timer output/PWM output
Timer output/system clock
φ
output/X
CIN
output
Port/Timer output selected
The gate input signal of each
transistor is controlled by the LCD
duty ratio and the bias value.
INT
1
input port switch bit
Voltage multiplier
control bit
Data bus
INT
0
interrupt
INT
1
interrupt
INT
0
input port switch bit
INT
1
input port switch bit
C
1,
C
2
V
L3
V
L2
V
L1
V
SS
V
L2
/V
L3
V
L1
/V
SS
Duty ratio selection bits
Segment data
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