參數(shù)資料
型號: DEM16216SYH-PY
廠商: Electronic Theatre Controls, Inc.
英文描述: Display Elektronik GmbH
中文描述: 顯示器經(jīng)銷商公司
文件頁數(shù): 11/22頁
文件大?。?/td> 257K
代理商: DEM16216SYH-PY
DEM 16216 SYH-LY
Product Specification
9
6)
Function set
RS
0
R/W
0
DB7
0
DB6
0
DB5
0
DB4
DL
DB3
N
DB2
F
DB1
X
DB0
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
0
R/W
0
DB7
0
DB6
1
DB5
AC5
DB4
AC4
DB3
AC3
DB2
AC2
DB1
AC1
DB0
AC0
Set CGRAM address to AC.
THIS INSTRUCTION MAKES CGRAM data available from MPU.
8)
Set DDRAM address
RS
0
R/W
0
DB7
1
DB6
AC6
DB5
AC5
DB4
AC4
DB3
AC3
DB2
AC2
DB1
AC1
DB0
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 1
st
line is from “00H” to “27H”, and DDRAM address in the
2nd line is from “40H” to “67H”.
9)
Read busy flab & address
RS
0
R/W
0
DB7
BF
DB6
AC6
DB5
AC5
DB4
AC4
DB3
AC3
DB2
AC2
DB1
AC1
DB0
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
1
R/W
0
DB7
D7
DB6
D6
DB5
D5
DB4
D4
DB3
D3
DB2
D2
DB1
D1
DB0
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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