參數(shù)資料
型號(hào)： S6A0070
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： 80 SEG / 16 COM DRIVER & CONTROLLER FOR DOT MATRIX LCD
中文描述： 80賽格/ 16 COM驅(qū)動(dòng)程序
文件頁(yè)數(shù)： 17/41頁(yè)
文件大?。?/td> 399K
代理商： S6A0070
80 SEG / 16 COM DRIVER & CONTROLLER FOR DOT MATRIX LCD
S6A0070
17
INSTRUCTION DESCRIPTION
OUTLINE
To overcome the speed difference between internal clock of S6A0070 and MPU clock, S6A0070 performs
internal operation by storing control information to IR or DR. The internal operation is determined according to the
signal from MPU, composed of read/write and data bus. (refer to Table 5) Instruction can be divided largely four
kinds,
(1) S6A0070 function set instructions (set display methods, set data length, etc.)
(2) Address set instructions to internal RAM
(3) Data transfer instructions with internal RAM
(4) Others
The address of internal RAM is automatically increased or decreased by 1.
NOTE:
During internal operation, Busy Flag (DB7) is read "1". Busy Flag check must be precede by the next instruction.
When you make an MPU program with checking the Busy Flag (DB7) is made, it must be necessary 1/2 fosc for
executing the next instruction by falling E signal after the Busy Flag (DB7) goes to "0".
Contents
1) Clear Display
RS
0
R/W
0
DB7
0
DB6
0
DB5
0
DB4
0
DB3
0
DB2
0
DB1
0
DB0
1
Clear all the display data by writing "20H" (space code) to all DDRAM address, and set DDRAM address to "00H"
in the AC (address counter). Return cursor to the original status, namely, bring the cursor to the left edge on first
line of the display. Make entry mode increment (I/D = "1").
2) Return Home
RS
0
R/W
0
DB7
0
DB6
0
DB5
0
DB4
0
DB3
0
DB2
0
DB1
1
DB0
x
Return Home is cursor return home instruction. Set DDRAM address to "00H" in the address counter. Return
cursor to its original site and return display to its original status, if shifted. Contents of DDRAM does not change.
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