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| SED1278F Datasheet, PDF (4/13 Pages) Epson Company – Dot Matrix LCD Controller Driver | |||
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SED1278F/D
q Timing Chart
Read Cycle
RS
RW
E
DB0 to DB7
Write Cycle
RS
RW
E
DB0 to DB7
VIH1
VIL1
tAS
VIH1
VIL1
tfE
VIH1
VIL1
tAH
tWEH
VIH1
VIH1
tRD
VIH1
tAH
tfE
VIL1
tDHR
VOH1
VOL1
Significant
Data
VOH1
VOL1
tcycE
VIL1
VIH1
VIL1
tAS
VIH1
VIL1
tAH
VIL1
VIL1
tfE
tWEH
VIH1
VIH1
tDS
VIL1
tAH
tfE
VIL1
tDH
VIH1
VIL1
Significant
Data
VIH1
VIL1
tcycE
VIL1
s DISPLAY COMMAND
Parameter
CLEAR DISPLAY
CURSOR HOME
ENTRY MODE SET
DISPLAY ON/OFF
CURSOR/DISPLAY SHIFT
SYSTEM SET
SET CGRAM ADDRESS
SET DDRAM ADDRESS
READ BUSY FLUG/
ADDRESS COUNTER
WRITE DATA
READ DATA
TDon't care
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0 00 00 00 0 0 1
0 00 00 00 0 1 1
0 0 0 0 0 0 0 1 I/D I/D
0 0 0 0 0 01 DCC
0 0 0 0 0 1 S/C R/L T T
0 0 0 0 1 DL N F T T
0001
001
0 1 BF
10
11
ACG
ADD
AC
Write Data
Read Data
Note
DB1 = 1 : Increment, DB1 = 0 : Decrement
DB0 = 1 : The display is shifted.
DB0 = 0 : The display is not shifted.
DB2 = 1 : Display on DB2 = 0 : Display off
DB1 = 1 : Cursor on DB1 = 0 : Cursor off
DB0 = 1 : Brinking on DB0 = 0 : Brinking off
DB3 = 1 : Shifts display one character
DB2 = 1 : Right shift, DB2 = 0 : Left shift
DB4 = 1 : 8 bits, DB4 = 0 : 4 bits
DB3 = 1 : 2 lines display (1/16 duty),
DB3 = 0 : 1 line display
DB2 = 1 : 5Ã10 dots, 1/11 duty
DB2 = 0 : 5Ã7 dots, 1/8 duty
The address length that can be set is 64 addresses.
The address length that can be set is 80 addresses.
DB7 = 1 : Busy (instruction not accepted)
DB7 = 0 : Ready (instruction accepted)
4
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