參數(shù)資料
型號: 38C2
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): 38/63頁
文件大?。?/td> 1000K
代理商: 38C2
38
38C2 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
LCD Power Circuit
The LCD power circuit has the dividing resistor for LCD power which
can be connected/disconnected with the LCD power control register.
Fig. 35 Structure of LCD power control register
Dividing resistor for LCD power control bit (LCDRON)
0 : Internal dividing resistor disconnected from LCD power circuit
1 : Internal dividing resistor connected to LCD power circuit
Dividing resistor for LCD power selection bits (RSEL)
b3 b2
1 0 : Larger resistor
0 1 :
0 0 :
1 1 : Smaller resistor
Not used (return
0
when read)
(Do not write to
1
)
VL pin input selection bit (VLSEL)
0 : Input invalid
1 : VL input function valid
V
L3
connection bit
0 : Connect LCD internal V
L3
to V
CC
1 : Connect LCD internal V
L3
to V
L3
pin
Not used (return
0
when read)
(Do not write to
1
)
LCD power control register
(VLCON : address 0038
16
)
b7
b0
Fig. 36 VL block diagram
V
L
3
P
V
L
2
7
/
S
E
G
2
3
/
2
P
V
L
2
6
/
1
S
E
G
2
2
/
Vcc
L
r
C
e
D
i
m
t
e
o
r
d
(
e
b
t
g
s
i
2
)
L
r
C
e
D
i
p
t
e
o
r
w
(
e
b
r
t
c
5
o
)
n
t
r
o
l
g
s
i
LCD power control
register (bit 0)
D
f
o
i
v
r
i
L
d
i
n
D
g
r
p
e
o
s
w
i
s
e
t
o
r
r
C
L
g
C
s
D
t
e
p
(
o
b
w
i
t
e
s
r
2
c
a
o
n
n
d
t
r
o
1
l
r
e
i
r
)
LCD power control
register (bit 6)
L
C
D
i
n
t
e
r
n
a
l
V
L
3
L
C
D
i
n
t
e
r
n
a
l
V
L
2
L
C
D
i
n
t
e
r
n
a
l
V
L
1
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