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| 型號(hào)： | M30220FCGP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單片16位CMOS微機(jī) |
| 文件頁(yè)數(shù)： | 127/212頁(yè) |
| 文件大?。?/td> | 2891K |
| 代理商： | M30220FCGP |
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Unde
deeopmen
Preliminary Specifications REV.E
Specifications in this manual are tentative and subject to change.
LCD Drive Control Circuit
Mitsubishi microcomputers
M30220 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
127
Common Pin and Duty Ratio Control
The common pins (COM
0
to COM
3
) to be used are determined by duty ratio.
Select duty ratio by the duty ratio select bits (bits 0 and 1 of address 0120
16
).
LCD Display RAM
Address 0100
16
to 0117
16
is the designated RAM for the LCD display. When “1” are written to these
addresses, the corresponding segments of the LCD display panel are turned on.
Figure 1.16.4 shows the LCD display RAM map.
Table 1.16.3. Duty ratio control and common pins used
Duty
Duty ratio select bit
ratio
Bit 1
2
0
3
1
4
1
Note 1 : COM
2
and COM
3
are open.
Note 2 : COM
3
is open.
Common pins used
Bit 0
1
0
1
COM
0
, COM
1
(Note 1)
COM
0
to COM
2
(Note 2)
COM
0
to COM
3
LCD Drive Timing
The LCDCK timing frequency (LCD drive timing) is generated internally and the frame frequency can be
determined with the following equation. The LCDCK count source frequency is f
C1
(same frequency as
X
CIN
) or f
32
(divide-by-32 of X
IN
frequency).
f(LCDCK)=
Figure 1.16.4. LCD display RAM map
0106
16
0107
16
0108
16
0109
16
010A
16
010B
16
010C
16
010D
16
010E
16
010F
16
0110
16
0111
16
0112
16
0113
16
0114
16
0115
16
0116
16
0117
16
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
SEG
40
SEG
42
SEG
44
SEG
46
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
41
SEG
43
SEG
45
SEG
47
Bit
Address
0100
16
0101
16
0102
16
0103
16
0104
16
0105
16
SEG
1
SEG
3
SEG
5
SEG
7
SEG
9
SEG
11
7
6
5
4
3
2
1
0
SEG
0
SEG
2
SEG
4
SEG
6
SEG
8
SEG
10
COM3 COM2 COM1 COM0 COM3 COM2 COM1 COM0
R
W
16 X (LCD frame frequency count value + 1)
duty ratio
f(LCDCK)
(frequency of count source for LCDCK)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M30220FCRP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30220MA | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30220MC | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30222FG-XXXFP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30222FG-XXXGP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M30220FCGP#D3 | 制造商:Renesas Electronics Corporation 功能描述: |
| M30220FCRP | 制造商:Renesas Electronics Corporation 功能描述:M16C 128K/10K, 10MHZ,A-D,D-A,WDT/LCD DR - Trays |
| M30220M8-XXXGP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30220M8-XXXRP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30220MA | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
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