Epson SED1278F/D manual Timing Chart, Display Command, Read Cycle, Write Cycle

Models: SED1278F/D

1 13
Download 13 pages 11 Kb
Page 4
Image 4
Timing Chart

SED1278F/D

 

 

 

 

 

Timing Chart

 

 

 

 

 

Read Cycle

VIH1

 

 

VIH1

 

RS

 

 

 

VIL1

 

 

VIL1

 

 

 

 

 

 

tAS

 

 

tAH

 

 

 

 

 

 

R/W

VIH1

 

 

 

VIH1

 

 

tWEH

 

tAH

 

 

 

 

 

 

 

 

VIH1

VIH1

tfE

 

 

VIL1

VIL1

VIL1

E

 

 

tfE

 

 

tDHR

 

 

tRD

 

 

 

 

 

 

 

DB0 to DB7

 

VOH1

Significant

VOH1

 

VOL1

Data

 

VOL1

 

 

 

 

 

 

tcycE

 

 

Write Cycle

VIH1

 

 

VIH1

 

RS

 

 

 

VIL1

 

 

VIL1

 

 

 

 

 

 

tAS

 

 

tAH

 

 

 

 

 

 

R/W

VIL1

 

 

 

VIL1

 

 

 

 

 

 

tWEH

 

tAH

 

 

 

 

 

 

 

 

VIH1

VIH1

tfE

 

 

VIL1

VIL1

VIL1

E

 

 

tfE

 

 

tDH

 

 

 

tDS

 

 

 

 

 

 

DB0 to DB7

 

VIH1

Significant

VIH1

 

VIL1

Data

 

VIL1

 

 

 

 

 

 

tcycE

 

 

Read Cycle DISPLAY COMMAND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Parameter

RS

R/W

DB7

DB6

DB5

 

DB4

DB3

DB2

DB1

DB0

Note

 

CLEAR DISPLAY

0

0

 

0

0

0

 

0

 

0

 

0

0

1

 

 

 

CURSOR HOME

0

0

 

0

0

0

 

0

 

0

 

0

1

1

 

 

 

ENTRY MODE SET

0

0

 

0

0

0

 

0

 

0

 

1

I/D

I/D

DB1=1: Increment, DB1=0: Decrement

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DB0=1: The display is shifted.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DB0=0: The display is not shifted.

 

DISPLAY ON/OFF

0

0

 

0

0

0

 

0

 

1

 

D

C

C

DB2=1: Display on

DB2=0: Display off

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DB1=1: Cursor on

DB1=0: Cursor off

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DB0=1: Brinking on

DB0=0: Brinking off

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CURSOR/DISPLAY SHIFT

0

0

 

0

0

0

 

1

 

S/C

 

R/L

 

 

DB3=1: Shifts display one character

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DB2=1: Right shift, DB2=0: Left shift

 

SYSTEM SET

0

0

 

0

0

1

 

DL

 

N

 

F

 

 

DB4=1: 8 bits, DB4=0: 4 bits

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DB3=1: 2 lines display (1/16 duty),

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DB3=0: 1 line display

 

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DB2=1: 5 10 dots, 1/11 duty

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

( DB2=0: 5 7 dots, 1/8 duty

SET CGRAM ADDRESS

0

0

 

0

1

 

 

 

 

 

ACG

 

 

The address length that can be set is 64 addresses.

SET DDRAM ADDRESS

0

0

 

1

 

 

 

 

 

ADD

 

 

The address length that can be set is 80 addresses.

READ BUSY FLUG/

0

1

 

BF

 

 

 

 

AC

 

 

 

 

DB7=1: Busy (instruction not accepted)

ADDRESS COUNTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DB7=0: Ready (instruction accepted)

WRITE DATA

1

0

 

 

 

 

Write Data

 

 

 

 

 

 

 

READ DATA

1

1

 

 

 

 

Read Data

 

 

 

 

 

 

 

Write Cycle Don‘t care

4

Page 4
Image 4
Epson SED1278F/D manual Timing Chart, Display Command, Read Cycle, Write Cycle