LC75811W Sanyo Semicon Device, LC75811W Datasheet - Page 7

• Manufacturer Part Number: LC75811W
• Description: 1/8 to 1/10 Duty Dot Matrix LCD Display Controller/Driver
• Manufacturer: Sanyo Semicon Device

Block Functions
• AC (address counter)
• DCRAM (data control RAM)
• When the DCRAM address loaded into AC is 00
However, when the display shift is performed by specifying MDATA, the DCRAM address shifts as shown below.
Note:*2. The DCRAM addresses are expressed in hexadecimal.
Example: When the DCRAM address is 2E
Note:*3. 5 7 dots ... 12-digit display
Display digit
DCRAM address (hexadecimal)
Display digit
DCRAM address (hexadecimal)
Display digit
DCRAM address (hexadecimal)
DCRAM address
AC is a counter that provides the addresses used for DCRAM and ADRAM.
The address is automatically modified internally, and the LCD display state is retained.
DCRAM is RAM that is used to store display data expressed as 8-bit character codes. (These character codes are
converted to 5 7, 5
48
loaded into AC and the display position on the LCD panel.
DA0
0
8 bits, and can hold 48 characters. The table below lists the correspondence between the 6-bit DCRAM address
5 8 dots ... 12-digit display
5 9 dots ... 12-digit display
DA1
Least significant bit
1
LSB
DA0
DA2
1
8, or 5 9 dot matrix character patterns using CGROM or CGRAM.) DCRAM has a capacity of
DA1
Hexadecimal
DA3
1
00
01
2F
1
1
1
DA2
01
02
00
2
2
2
DA4
0
02
03
01
3
3
3
DA3
H
.
5 7 dots
4 8 dots
3 9 dots
DA5
1
03
04
02
4
4
4
LC75811E, 75811W
H
DA4
.
04
05
03
Hexadecimal
5
5
5
Most significant bit
05
06
04
6
6
6
DA5
MSB
06
07
05
7
7
7
07
08
06
8
8
8
08
09
07
9
9
9
10
09
10
0A
10
08
0A
0B
11
11
11
09
0B
0C
0A
12
12
12
(Left shift)
(Right shift)
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