ER-A410/ER-A420 HARDWARE DESCRIPTION
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7-2. EFT I/F CONNECTOR SPECIFICATIONS
8. SERIAL I/O
The ER-23X is provided with 2ch of RS-232 PORTs as standard provi-
sion. 1ch of the two is switched with the EFT I/F.
The RS-232 ch1 and ch2 are assigned to the following CPU port and I/
O.
Ch1
Ch2
<Serial I/O ch2 receive signal> Read
RS-232/EFT I/F BLOCK DIAGRAM
9. POWER
10. FLASH MEMORY REWRITE PROCEDURE
11. DRAWER
The ER-A410/A420 is provided with 2CH of DRAWER ports.
The DRAWER solenoid energizing time is as shown below.
50ms (max) 45ms(min)
GND 1 2 GND
GND 3 4 GND
A0 5 6 A1
A2 7 8 A3
A4 9 10 A5
VCC 11 12 VCC
/RD 13 14 /WR
/CS3 15 16
D0 17 18 D1
D2 19 20 D3
D4 21 2 D5
D6 23 24 D7
25 26 /EFTRES
/EFT_CD 27 28 EFT_RD
EFT_SD 29 30 /EFT_ER
/EFT_DR 31 32 /EFT_RS
/EFT_CS 33 34 /EFT_CI
/POFF 35 36 /EFTS
GND 37 38 GND
GND 39 40 GND
Pin No. CPU PORT Signal to be used
34 /RTS1 /RS1
32 RXD1 RD1
31 TXD1 SD1
26 P74 /ER1
25 P75 /CD1
24 P76 /CS1
23 P77 /DR1
6 P91 (Refer to 6-3.) /CI1
Pin No. CPU PORT Signal to be used
38 /RTS0 /RS2
36 RXD0 RD2
35 TXD0 SD2
18 P84 /ER2
Address Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bir1 Bit0
04000h X X X X /CD2 /DR2 /CS2 /CI2
IPL from EP-ROM: Set the IPL SW to ON and turn on the power, and
the EP-ROM will be boosted.
The bank of the EP-ROM program is switched
through S-RAM to transfer the program to the
FLASH ROM.
IPL from COM: Data from PC is written through the COM port to
the FLASH ROM. (Max. 38.4kbps)
CPU
Ch1 connector
Ch2 connector
MUX
EFT I/F PWB
B
A
A/B
Y
+5V
Service interruption should be performed
within 10ms after generation of /POFF.
TRANS.
LM2574 + TR
24V
DRAWER
PRINTER
ON/OFF control
(MODE SW)
PQ1CG2032
VLED 5.7V
VCC 5.0V
VDD 5.0V
BATTERY
/POFF detection point
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