参数资料
| 型号： | LC75812PT-8565-H |
| 厂商： | ON Semiconductor |
| 文件页数： | 10/54页 |
| 文件大小： | 0K |
| 描述： | IC LCD DISPLAY DRIVER 100TQFP |
| 标准包装： | 90 |
| 系列： | * |
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LC75812PT
? ADRAM (Additional data RAM)
ADRAM is RAM that is used to store the ADATA display data. ADRAM has a capacity of 13 × 5 bits, and the stored
display data is displayed directly without the use of CGROM or CGRAM. The table below lists the correspondence
between the 4-bit ADRAM address loaded into AC and the display position on the LCD panel.
? When the ADRAM address loaded into AC is 0H. (Number of digit displayed: 13)
Display digit
ADRAM address (hexadecimal)
1
0
2
1
3
2
4
3
5
4
6
5
7
6
8
7
9
8
10
9
11
A
12
B
13
C
However, when the display shift is performed by specifying ADATA, the ADRAM address shift s as shown below.
Display digit
ADRAM address (hexadecimal)
Display digit
ADRAM address (hexadecimal)
1
1
1
C
2
2
2
0
3
3
3
1
4
4
4
2
5
5
5
3
6
6
6
4
7
7
7
5
8
8
8
6
9
9
9
7
10
A
10
8
11
B
11
9
12
C
12
A
13
0
13
B
(shift left)
(shift right)
Note: * 5. The ADRAM address is expressed in hexadecimal.
Least significant bit
↓
LSB
Most significant bit
↓
MSB
ADRAM address
RA0
RA1
RA2
RA3
Hexadecimal
Example: When the ADRAM address is AH.
RA0
0
RA1
1
RA2
0
RA3
1
Note: * 6. 5 × 7 dots ? ? ? ? ? 13th digit display 5 dots
5 × 8 dots ? ? ? ? ? 13th digit display 4 dots
? CGROM (Character generator ROM)
CGROM is ROM that is used to generate the 240 kinds of 5 × 7 or 5 × 8 dot matrix character patterns from the
8-bit character codes. CGROM has a capacity of 240 × 40 bits. When a character code is written to DCRAM, the
character pattern stored in CGROM corresponding to the character code is displayed at the position on the LCD
corresponding to the DCRAM address loaded into AC.
? CGRAM (Character generator RAM)
CGRAM is RAM to which user programs can freely write arbitrary character patterns. Up to 16 kinds of 5 × 7 or 5 × 8
dot matrix character patterns can be stored. CGRAM has a capacity of 16 × 40 bits.
No.A1417-10/54
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| LC75813ES-E | 功能描述:LCD 驱动器 RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
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