LC75812PT Datasheet, PDF (15/54 Pages) Sanyo Semicon Device – 1/8, 1/9 Duty Dot Matrix LCD Display Controllers/Drivers with Key Input Function

LC75812PT
• Set AC address... <Specifies the DCRAM and ADRAM address for AC>
(Set AC)
Code
D104 D105 D106 D107 D108 D109 D110 D111 D112 D113 D114 D115 D116 D117 D118 D119
DA0 DA1 DA2 DA3 DA4 DA5 X
DA0 to DA5: DCRAM address
X RA0 RA1 RA2 RA3 0
1
0
0
X: don’t care
DA0 DA1 DA2 DA3 DA4 DA5
LSB
MSB
↑
↑
Least significant bit
Most significant bit
RA0 to RA3: ADRAM address
RA0 RA1 RA2 RA3
LSB
MSB
↑
↑
Least significant bit Most significant bit
This instruction loads the 6-bit DCRAM address DA0 to DA5 and the 4-bit ADRAM address RA0 to RA3 into the AC.
• DCRAM data write ... <Specifies the DCRAM address and stores data at that address>
(Write data to DCRAM)
Code
D96 D97 D98 D99 D100 D101 D102 D103 D104 D105 D106 D107 D108 D109 D110 D111 D112 D113 D114 D115 D116 D117 D118 D119
AC0 AC1 AC2 AC3 AC4 AC5 AC6 AC7 DA0 DA1 DA2 DA3 DA4 DA5 X X IM1 IM2 X X 0 1 0 1
X: don’t care
DA0 to DA5: DCRAM address
DA0 DA1 DA2 DA3 DA4 DA5
LSB
MSB
↑
↑
Least significant bit
Most significant bit
AC0 to AC7: DCRAM data (character code)
AC0 AC1 AC2 AC3 AC4 AC5
LSB
↑
Least significant bit
AC6 AC7
MSB
↑
Most significant bit
This instruction writes the 8 bits of data AC0 to AC7 to DCRAM. This data is a character code, and is converted to a
5×7 or 5×8 dot matrix display data using CGROM or CGRAM.
IM1, IM2: Sets the method of writing data to DCRAM
IM1 IM2
DCRAM data write method
0
0
Normal DCRAM data write (Specifies the DCRAM address and writes the DCRAM data.)
1
0
Normal increment mode DCRAM data write (Increments the DCRAM address by +1 each time data is written to DCRAM.)
0
1
Super increment mode DCRAM data write (Writes 2 to 13 characters of DCRAM data in single operation.)
No.A1417-15/54