參數(shù)資料
型號(hào)： 3820
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)： 34/66頁(yè)
文件大小： 1093K
代理商： 3820
34
MITSUBISHI MICROCOMPUTERS
3820 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
LCD Display RAM
Address 0040
16
to 0053
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.
LCD Drive Timing
The LCDCK timing frequency (LCD drive timing) is generated in-
ternally and the frame frequency can be determined with the fol-
lowing equation;
(divider division ratio for LCD)
(frequency of count source for LCDCK)
duty ratio
f(LCDCK)
Fig. 26 LCD display RAM map
Bit
Address
0046
16
0047
16
0048
16
0049
16
004A
16
004B
16
004C
16
004D
16
004E
16
004F
16
0050
16
0051
16
0052
16
0053
16
7
COM
3
6
COM
2
5
COM
1
4
COM
0
3
COM
3
2
COM
2
1
COM
1
0
COM
0
SEG
13
SEG
15
SEG
17
SEG
19
SEG
21
SEG
23
SEG
25
SEG
27
SEG
29
SEG
31
SEG
33
SEG
35
SEG
37
SEG
39
SEG
12
SEG
14
SEG
16
SEG
18
SEG
20
SEG
22
SEG
24
SEG
26
SEG
28
SEG
30
SEG
32
SEG
34
SEG
36
SEG
38
0040
16
0041
16
0042
16
0043
16
0044
16
0045
16
SEG
1
SEG
3
SEG
5
SEG
7
SEG
9
SEG
11
SEG
0
SEG
2
SEG
4
SEG
6
SEG
8
SEG
10
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