參數(shù)資料
型號(hào): M38234G8-XXXHP
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(jī)
文件頁(yè)數(shù): 43/76頁(yè)
文件大?。?/td> 896K
代理商: M38234G8-XXXHP
Rev.2.02 Jun 19, 2007 page 43 of 73
REJ03B0146-0202
3823 Group
LCD Display RAM
Address 0040
16
to 004F
16
is the designated RAM for the LCD dis-
play. When “1” are written to these addresses, the corresponding
segments of the LCD display panel are turned on.
Fig. 39 LCD display RAM map
LCD Drive Timing
The LCDCK timing frequency (LCD drive timing) is generated in-
ternally and the frame frequency can be determined with the
following equation;
f(LCDCK) =
Frame frequency =
(frequency of count source for LCDCK)
(divider division ratio for LCD)
f(LCDCK)
(duty ratio)
B
i
t
A
d
0040
16
0041
16
0042
16
0043
16
0044
16
0045
16
0046
16
0047
16
0048
16
0049
16
004A
16
004B
16
004C
16
004D
16
004E
16
004F
16
d
r
e
s
s
7
COM
3
0
1
2
3
4
5
6
COM
0
COM
1
COM
2
COM
3
COM
0
COM
1
COM
2
SEG
1
SEG
3
SEG
5
SEG
7
SEG
9
SEG
11
SEG
13
SEG
15
SEG
17
SEG
19
SEG
21
SEG
23
SEG
25
SEG
27
SEG
29
SEG
31
SEG
0
SEG
2
SEG
4
SEG
6
SEG
8
SEG
10
SEG
12
SEG
14
SEG
16
SEG
18
SEG
20
SEG
22
SEG
24
SEG
26
SEG
28
SEG
30
STP Instruction Execution
Execution of the STP instruction sets the LCD enable bit (bit 3 of
the LCD mode register) to “0” and the LCD panel turns off.To
make the LCD panel turn on after returning from the stop mode,
set the LCD enable bit to “1”.
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