RW1068 ETC-unknow, RW1068 Datasheet - Page 29

• Manufacturer Part Number: RW1068
• Description: 26com/84seg Driver & Controller For Dot Matrix Lcd
• Manufacturer: ETC-unknow

Set CGRAM address to AC.
This instruction makes CGRAM data available from MPU.
Set SEGRAM address to AC.
This instruction makes SEGRAM data available from MPU.
Set DDRAM address to AC.
This instruction makes DDRAM data available from MPU.
In 2-line display mode, DDRAM address in the 1st line is from "00H" - "27H", and DDRAM address in
the 2nd line is from "40H" - "67H".
In 3 lines SPI mode, set Data length command indicates the length of data which, are going to be
received by RW1068. User should set data length before display data sent. Each data length
instruction maximum can set 80 bytes of data. The table below shows how SD bits set the data length.
SD6
RS
RS
RS
RS
0
0
0
0
1
:
0
0
0
0
Set CGRAM Address (RE = 0
Set SEGRAM Address (RE = 1)
Set DDRAM Address (RE = 0)
Set data length for 3 line SPI (RE = 1)
SD5
R/W
R/W
R/W
R/W
0
0
0
0
0
:
0
0
0
0
SD4
Table 6. Set data length according to SD Bits
0
0
0
0
0
DB7
DB7
DB7
DB7
:
0
0
1
1
SD3
0
0
0
0
1
:
DB6
DB6
DB6
AC6
DB6
SD6
26COM/84SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
1
1
RockWorks Technology Corp.
SD2
0
0
0
0
1
:
)
DB5
DB5
DB5
DB5
AC5
AC5
SD5
X
SD1
29
0
0
1
1
1
:
AC4
AC4
SD4
DB4
DB4
DB4
DB4
X
SD0
0
1
0
1
1
:
AC3
AC3
AC3
SD3
DB3
DB3
DB3
DB3
Followed by 1 data write
Followed by 2 data write
Followed by 3 data write
Followed by 4 data write
Followed by 80 data write
DB2
DB2
DB2
DB2
AC2
AC2
AC2
SD2
Function
:
DB1
DB1
DB1
DB1
AC1
AC1
AC1
SD1
RW1068
DB0
DB0
DB0
DB0
AC0
AC0
AC0
SD0