Epson SED1278F/D Especificaciones descargar pdf (Pagina 19)

EPSON 9–17

SED1278

Software initialization

Initialization during power-on reset involves several

unstable factors related to power-supply output

fluctuations. For this reason it is strongly recommended

that a software initialization sequence is followed.

• Software Initialization (8-bit MPU bus, f

OSC = 250 kHz)

[1]

000011****

****

DB7 RS R/W E

······

DB0

30 ms or more

4.1 ms or more

100 µs or more

40 µs or more

System set

[2]

[3]

[4]

[5]

[7]

000011

DB7 RS R/W E

······

DB0

000011

DB7 RS R/W E

······

DB0

System set

[6]

000011NF

DB7 RS R/W E

······

DB0

BF=0

BF 0 1 1

DB7 RS R/W E

······

DB0

Busy flag

BF=0

BF=1

BF 0 1 1

DB7 RS R/W E

······

DB0

Busy flag

Power-on

System set

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 40 41

LCD Controller/Drivers 1
Technical Manual 1
Contents 2
FEATURES 3
OVERVIEW 3
BLOCK DIAGRAM 4
PACKAGE OUTLINE 4
SED1278D 5
PIN DESCRIPTION 6
TERMINAL CONFIGURATION 7
INSTRUCTION DESCRIPTION 8
EPSON 9–7 9
Write Only Instructions 9
EPSON 9–9 11
Read Only Instructions 11
SPECIFICATIONS 12
EPSON 9–11 13
EPSON 9–13 15
LCD Drive Voltages 15
Mechanical Specifications 15
EPSON 9–15 17
OPERATION 18
EPSON 9–17 19
EPSON 9–19 21
THE CHARACTER GENERATOR 23
3 to a0, specify the row 24
7, is ignored 24
LCD INTERFACE 25
· · · · · · 26
27
· · · ·· · 28
· · · ·· · · ·· · 29
SED1181FLA 30
· · · ·· · · ·· · · 31
MPU INTERFACE 32
EPSON 9–31 33
SED1278F0A/SED1278D0A 34
EPSON 9–33 35
SED1278F0B/SED1278D0B 35
SED1278F0C/SED1278D0C 36
EPSON 9–35 37
SED1278F0E/SED1278D0E 37
SED1278F0G/SED1278D0G 38
EPSON 9–37 39
SED1278F0H/SED1278D0H 39
APPENDIX B: PIN CONSTRUCTION 40
EPSON 9–39 41
Output Pin 41

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Epson SED1278F/D Especificaciones Pagina 19

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