
ER-OIPU
3. Memory map
OOOOOOH
O07FFFH
200000H
400000H
600000H
800000H
AOOOOOH
COOOOOH
EOOOOOH
FF8000H
FFFD1OH
FFFFOOH
FFFF1OH
FFFFICH
FFFFFFH
Bector
.. .... .. ..... ... .
..................
..................
..................
..................
Externaladdress
area
.. ........ .... ....
..................
..................
..................
..................
Ictemal RAM aref
Externaladdress
area
Internal1/0 registf
area
...................
AreaO
.... . .... . . .. . ... ..
Area1
.. .......... ...... .
Area
2
. . . . . . . . . . . . .... . . .
Area3
.. . .... . ...... .....
Area
4
. . . . . . . . . . . . . . . .. . .
Area 5
. . . . . . . . . . . . . . . . . . .
Area 6
. . . . . . . . . . . . . . . . . . .
Area 7
........
FLASHROM
(CG ROM)
RAM
DIPSWITCH
l/OSELECT
FISCAL MEMORY:
(FL4SH ROM
BOOT BLOCK
WRIT~
NOT USED
4. Printer control
1)
Paper feed control
+24V
IC14
CPU
RDS /RPFA
●
RCS
/RPFB
●
IC2
RBS
●
STA401A /RpFc
RAs IRPFD
●
JDS
d
JCS
IC3
JBS
STA401A
+24V
B
A
c
D
o
M
Receiptmotor
/JPFA
/JPFB
/JPFC\ B
A
IJPFD
1!0
c
M
D
?
Journalmotor
The paper feed motors are stepping motors with 4-phase driving
coils.
The motors are driven by switching over the driving coils.
<MOTOR DRIVE SEQUENCE>
JOURNAL MOTOR
/JPFA /JPFB
/JPFC
/JPFD
STEP No. PHASEA PHASE B
PHASEC PHASE D
1
ON OFF
OFF
ON
2
ON OFF
ON
OFF
3
OFF ON
ON
OFF
4
OFF ON
OFF
ON
RECEIPT MOTOR
/RPFA /RPFB
IRPFC
/RPFD
STEP No. PHASE A
PHASE B
PHASE C PHASE D
1
ON
OFF
OFF
ON
2
ON
OFF
ON OFF
3
OFF
ON
ON
OFF
4
OFF
ON
OFF
ON
12-5
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