Specifications

EPSON 9–19
SED1278
SED1278
• Software Initialization (4-bit MPU bus, fOSC = 250 kHz)
[1]
000011
DB7 RS R/W E
·· DB4
30 ms or more
4.1 ms or more
100 µs or more
40 µs or more
System set
System set
[2]
[3]
[4]
[6]
[8]
000011
DB7 RS R/W E
·· DB4
000011
DB7 RS R/W E
·· DB4
System set
[7]
NF **
0010
DB7
·· DB4
40 µs or more
System set
[5]
000010
DB7 RS R/W E
·· DB4
BF=0
(High-order)
(Low-order)
(High-order)
(Low-order)
(High-order)
(Low-order)
BF 0 1 1
DB7 RS R/W E
·· DB4
Busy flag
BF=0
BF=1
BF=1
Busy flag
Power-on
System set
A CC
011
00
RS R/W E
00
A CC
BF 0 1 1
DB7 RS R/W E
·· DB4
A CC
011
A CC