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DEM16216SYH-LY Datasheet(PDF) 11 Page - List of Unclassifed Manufacturers

Part No. DEM16216SYH-LY
Description  DEM16216SYH-LY
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DEM 16216 SYH-LY
Product Specification
9
6) Function set
RS
R/W
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
0
0
0
0
DL
N
F
X
X
DL: Interface data length control bit
When DL=”1”, it means 8-bit bus mode with MPU.
When DL=”0”, it means 4-bit bus mode with MPU. So to speak, DL is a signal to select 8-bit or 4-bit bus mode.
When 4- bit bus mode, it needs to transfer 4-bit data in two parts.
N: display line number control bit
When N=”0”, it means 1-line display mode.
When N=”1”, it means 2-line display mode.
F: display font type control bit
When F=”0”, 5 x 7 dots format display mode.
When F=”1”, 5 x 10 dots format display mode.
7) Set CGRAM address
RS
R/W
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
0
0
1
AC5
AC4
AC3
AC2
AC1
AC0
Set CGRAM address to AC.
THIS INSTRUCTION MAKES CGRAM data available from MPU.
8) Set DDRAM address
RS
R/W
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
0
1
AC6
AC5
AC4
AC3
AC2
AC1
AC0
Set DDRAM address to AC
This instruction makes DDRAM data available from MPU.
When in 1-line display mode (N=0), DDRAM address is from “00H” to “4FH”.
In 2-line display mode (N=1), DDRAM address in the 1st line is from “00H” to “27H”, and DDRAM address in the
2nd line is from “40H” to “67H”.
9) Read busy flab & address
RS
R/W
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
0
0
BF
AC6
AC5
AC4
AC3
AC2
AC1
AC0
This instruction shows whether KS0070B is in internal operation or not. If the resultant BF is “1”, it means the
internal operation is in progress and your have to wait until BF is low. Then the next instruction can be performed. In
this instruction your can also read the value of the address counter.
10) Write data to RAM
RS
R/W
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
1
0
D7
D6
D5
D4
D3
D2
D1
D0
Write binary 8-bit data to DDRAM / CGRAM
The selection of RAM from DDRAM, and CGRAM, is set by the previous address set instruction: DDRAM address
set, and CGRAM address set. RAM set instruction can also determine the AC direction to RAM.
After write operation, the address is automatically increased/decreased by 1, according to the entry mode.


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