Sharp ER-A520, ER-A530 User Manual

SERVICE MANUAL

ER-A520

ER-A530

ELECTRONIC CASH REGISTER

MODEL

CONTENTS

CODE : 00Z

ERA520USME

ER-A520 ER-A530

(U, A version)

CHAPTER 1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

CHAPTER 2. OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

CHAPTER 3. MASTER RESET AND PROGRAM RESET. . . . . . . . . 6

CHAPTER 4. HARDWARE DESCRIPTION. . . . . . . . . . . . . . . . . . . . 7

CHAPTER 5. DIAGNOSTIC PROGRAM . . . . . . . . . . . . . . . . . . . . . 14

CHAPTER 6. IPL FROM EP-ROM . . . . . . . . . . . . . . . . . . . . . . . . . . 19

CHAPTER 7. CIRCUIT DIAGRAM AND PWB LAYOUT . . . . . . . . . 20

PARTS GUIDE

Parts mark ed w ith "!" are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set.

This document has been pub lished to be used

SHARP CORPORATION

for after sales service only. The contents are subject to change without notice.

CHAPTER 1. SPECIFICATIONS

1. APPEARANCE

ER-A520

Front view

Customer display (Pop-up type)

Printer cover

Receipt paper

Operator

display Journal window Keyboard

Mode

Drawer

switch

Rear cover

Drawer lock

ER-A530

Front view Rear view

Printer cover

Receipt paper Journal window

Keyboard

Drawer Drawer lock

Customer display (Pop-up type)

Operator

display

Mode switch

Rear cover

2. RATING

Model ER-A520/530 Weight 31.7lbs (14.4kg) Dimensions 421 (W) x 427 (D) x 297 (H) mm

16.6 (W) x 16.8 (D) x 11.7 (H) inch 10%, AC 60Hz

Power source 120V

Power consumption Stand-by 11W, Operating 47W (max.) Working temperature 0°C~40°C (32°F to 104°F)

3. KEYBOARD

3-1. KEYBOARD LAYOUT

ER-A520

Type Normal keyboard Key stroke 3.5 Key pitch 19 (W) x 19 (H) mm

ER-A530

Type Flat key Key stroke 0.8 Key pitch 18 (W) x 15 (H) mm

0.5 mm

0.2 mm

Rear view

Printer cover lock (left side)

Printer cover loc (left side)

3-2. KEY LAYOUT

ER-A520 KEYLAYOUT

■ STANDARD KEY LAYOUT

PLU/UPC

CASH#

FOR

7 4 1

89 56 2

SLIP

CONV

%1 %2

RFND

RCPT

RA PO

VOID

PBLU

FINAL

TAX

SHIFT

#/TM

■ TEXT PRESET KEY LAYOUT

NUM

-2

@/FOR

7 4 1

89 56 2

Note: All the keys except the receipt paper feed and journal paper feed

keys can be re-positioned.

■Key names

RECEIPT Receipt paper feed key

JOURNAL Journal paper feed key

[0]~[9], [00] Numeric keys [ • ] Decimal point key CL Clear key @/FOR Multiplication key RFND Refund key VOID Void key AMT Amount entry key CASH# Cashier code entry key PLU/UPC PLU/UPC key INQ PLU/UPC inquiry key PRICE CHANGE UPC price change key

Discount 1 key %1, %2 Percent 1 and 2 keys NC New check key PBLU Previous balance key FINAL Final key NS No-sale key TAX SHIFT TAX 1 shift key TAX Manual tax key MDSE SBTL Merchandise subtotal key 1 ~ 20 Department keys AUTO1~AUTO2 Automatic sequencing 1 and 2 keys RA Received-on-account 1 key PO Paid-out 1 key FS SHIFT Food stamp shift key FS TEND Food stamp tender key CH1, CH2 Charge 1and 2 keys CONV Currency conversion key CHK Check 1 key SBTL Subtotal key CA/AT Cash/amount tendered key RCPT Receipt print key

PRICE

CHANGE

5 4 3 2 1

A B C D E

AUTO

AMT

F G H

=-+

INQ

SHIFT

20 19 18 17 16

L M N O

AUTO

TEND

CH1

CHK

CH2

MDSE

SBTL

CA/AT

(Back Space)

%$#

P QWV RZ

(/@*')

!.,;:

ER-A520U/ER-A530U SPECIFICATIONS

– 1 –

SLIP Slip printer key #/TM Non-add code/Date & time display key

Note: The following function keys can optionally be mounted in place of

those shown in the figure of the standard keyboard layout. For details, please consult your authorized SHARP dealer.

■Optional keys

DEPT# Dept. number key %3 ~ %5 Percent 3 thru 5 keys

2 ~ -5 Discount 2 thru 5 keys

CH3 ~ CH9 Charge 3 thru 9 keys CA2 ~ CA5 Cash 2 thru 5 keys CONV2 ~ CONV4 Currency conversion 2 thru 4 keys RA2 Received-on-account 2 key PO2 Paid-out 2 key AUTO3 ~ AUTO10 Automatic sequencing 3 thru 10 keys SRVC Service key TRAY SBTL T ray subt ota l key RETURN Return key CHK2~CHK5 Check 2 through 5 keys TRANS OUT Transfer out key TRANS IN Transfer in key CA TIP Cash tip key CH TIP Charge tip key TIP PAID Tip paid key EAT IN1~EAT IN 3 E a t i n 1 thr u 3 k e ys TAX2 SHIFT~TAX4 SHIFT Tax 2 thru 4 shift keys DEPO Deposit key DEPORFND Deposit refund key LEVEL# PLU level shift number key RP SEND Remote printer send key GRT EXEMPT Gratuity exempt key OPEN TARE Tare entry key REPEAT Repeat entry key GASSBTL Gasoline sales subtotal key P-SHIFT# Price shift number key SCALE Scale entry key L1~L5 PLU level shift 1 thru 5 keys P1~P6 Price level shift 1 thru 6 keys PRINT Validation print key CVCNT Cover count entry key NO DEL No delete key BS Bill separation key BT

Bill totalize/ Bil l tra nsf er key (CHE CK-A DD) BIRTH Birthday entry key RFND SALES Refund sales key WASTE Waste mode key C NEXT Condiment next key C CANCEL C ondim ent cancel key EDIT TIP Edit tip key GLU RECALL Table# recall k ey 000 Numeric key

Note: The department and direct PLU keys may be expanded. If you

require expansion of the department or direct PLU keys, please contact your dealer.

ER-A530 KEYLAYOUT

■ STANDARD KEY LAYOUT

RECEIPT

JOURNAL

L1 L2 L3

100

SERV

FOR

789

456

123

000

■ TEXT PRESET KEY LAYOUT

[]

{}

”

(

;: .

@ FOR

000

JOURNAL

RECEIPT

#$%

1234567890

ERTY

GHJ KL

(SHIFT)

Note:

(DC)

• All keys except the receipt paper feed and journal paper feed keys may be re-positioned. If you want to change the keyboard layout, please consult your dealer.

• Please note that the price lookup/subdepartment/UPC key ([PLU/SUB]) and the previous balance key ([PBLU]) are shown as [PLU/UPC] and [PBLU] urespectively in this manual. PLU/UPC PBAL

■Key names

RECEIPT Receipt paper feed key

JOURNAL Journal paper feed key

[0] ~ [9], [00], [000] Numeric keys [ • ] Decimal point key CL Clear key @/FOR Multiplication key RCPT Receipt print key RFND Refund key VOID Void key PLU/SUB Price lookup/subdepartment/UPC key [ 1] ~ [100] Direct price lookup keys L1~L3 PLU level shift 1 thru 3 keys NC New check key SRVC Service key FINAL Final key PBAL Previous balance key

Discount 1 key % Percent 1 key INQ PLU/UPC inquiry key SERV# Server code entry key AUTO1 ~ AUTO3 Automatic sequencing 1 thru 3 keys CONV Currency conversion key CH1 ~ CH3 Charge 1 thru 3 keys CHK Check 1 key MDSE SBTL Merchandise subtotal key SBTL Subtotal key CA/AT Cash/amount tendered key RP SEND Remote printer send key

Note: The following function keys can optionally be added in place of

those shown in the figure of the standard keyboard layout. For details, please consult your authorized SHARP dealer.

%RCPT

INQVOID

PLU/ SUB

000

9 6 3

SEND

PBAL

SRVC

MDSE

SBTL SBTL

SBTL

AUTO

CONV

NCRFND

CH1

CH2

CH3FINAL

CHK

CA/AT

BACK

SPEACE

CA/AT

ER-A520U/ER-A530U SPECIFICATIONS

– 2 –

■Optional keys

DEPT# Dept. number key %2 ~ %5 Percent 2 thru 5 keys

2 ~ -5 Discount 2 thru 5 keys

CH4 ~ CH9 Charge 4 thru 9 keys CA2 ~ CA5 Cash 2 thru 5 keys CONV2 ~ CONV4 Currency conversion 2 thru 4 keys RA1, RA2 Received-on-account 1 and 2 keys PO1, PO2 Paid-out 1 and 2 keys AUTO4 ~ AUTO10 Automatic sequencing4 thru 10 keys CHK2 ~ CHK5 Check 2 through 5 keys TRANS OUT Transfer out key TRANS IN Transfer in key CA TIP Cash tip key CH TIP Charge tip key TIP PAID Tip paid key EAT IN1 ~ EAT IN3 Eat in 1 thru 3 keys TAX1 SHIFT ~

Tax 1 thru 4 shift keys

TAX4 SHIFT DEPO Deposit key DEPO RFND Deposit refund key TAX Manual tax key TRAY SBTL Tray subtotal key RETURN Return key GAS SBTL Gasoline sales subtotal key #/TM Non-add code/Date & time display key NS No-sale key SCALE Sc ale entry key LEVEL# PLU level shift number key L4, L5 PLU level shift 4 and 5 keys P-SHIFT# Price shift number key P1 ~ P6 Price level shift 1 thru 6 keys PRINT Validation print key CV CNT Cover count entry key SLIP Slip printer key BS Bill separation key BT Bill totalize/Bill transfer key (CHECK-ADD) NO DEL No delete key GRT EXEMPT Gratuity exempt key OPEN TARE Tare entry key REPEAT Repeat entry key AMT Amount entry key PRICE CHANGE UPC price change key BIRTH Birthday entry key RFND SALES Refund sales key WASTE Waste mode key C NEXT Condiment next key C CANCEL Condiment cancel key EDIT TIP Edit tip key GLU RECALL Table# recall key FS SHIFT Food stamp shift key FS TEND Food stamp tender key

Note: Department and direct PLU keys can be expanded. If you require

expansion of the department or direct PLU keys, pleas e contact your authorized SHARP dealer.

4. MODE SWITCH

4-1. MODE SWITCH AND MODE KEYS

Operative range

MA SM

X / Z

REG

MGR

1/Z1

X2/Z

• Submanager key (SM)

OP OFF

PGM

(SRV) (SRV')

• Manager key (MA)

• Operator key (OP)

The mode switch has these settings:

OFF: This mode locks all register operations.

No changes may occur to register data.

OP X/Z: This setting a llows cash iers to take an X or Z reports for their

sales information. This mode can also be used for displaying the date/time and printing the employee's arrival/departure times. This mode can be also used to toggle receipt state "ON" and "OFF" by pressing the [RCPT] key. (To u tilize this function, the register must be programmed for "OP X/Z mode available" in the PGM2 mode.)

REG: For entering sales PGM1: To program those items that need to be changed often: e.g.,

unit prices of departments or PLUs, and percentages.

PGM2: To program all PGM1 programs and those items that do not

require frequent changes: e.g., date, time, or a variety of register functions.

MGR: For manager’s and submanager’s entries

The manager can use this mode to make entries that are not permitted to be made by cashiers in the REG mode. – for example, after-transaction voiding and override entries.

X1/Z1: To take the X/Z reports for various daily totals. X2/Z2: To take the X/Z reports for various periodic (weekly or monthly)

consolidation of totals.

ER-A520U/ER-A530U SPECIFICATIONS

– 3 –

5. DISPLAY

5-1. OPERATOR DISPLAY

Display device: LCD Number of lines: 2 lines Number of positions: 16 positions Color of display: Yellow / Green Character font: 5 x 7 dot Character size: 4.84 (W) x 8.06 (H) mm

Layout:

5-2. CUSTOMER DISPLAY

Display device: LED Number of lines: 1 line Number of positions: 7 positions Color of display: Yellow / Green Style: Pop up type Character form: 7 segment + Dp Character size: 14.2mm (H) x 7.9mm (W)

Layout:

6. PRINTER

1) PRINTER (PR-58HM)

Item Description

No. of station 2: Receipt and Journal Validation No Printing system Line thermal No. of dot Receipt: 360 dots

Journal 360 dots

Dot pitch Horizontal: 0.125mm

Vertical: 0.125mm Font 10 dots (W) x 24 dots (H) Printing capacity Receipt: Max. 30 characters

Journal: Max. 30 characters Character size Print pitch

Paper feed speed Approximate 65 mm/s Reliability Mechanism: MCBF 5milion lines Paper end sensor Yes (Receipt and Journal) Cutter Manual Paper near end sensor No Printing area

Printing format

1.25 mm (W) x 3.0 mm (H): At 10 x 24 dots

Column distance:

Row distance: 3.75 mm

(7.0) (5.5)

0.125

12 x 24

font

1.5 mm

106(848dots)

360dots

(45)

57.5 ±0.5

1.5 (12dots) 1.5 (12dots)

(5.5)

5.0

(7.0)

UNIT: mm

3.0 (24dots)

3.75 (30dots)

2) PAPER

Item Description

Name Heat-quality paper

0.5 mm in width

Roll dimension 57.5 Thickness 0.06 mm to 0.08 mm

0.125

UNIT: mm

ER-A520U/ER-A530U SPECIFICATIONS

– 4 –

7. DRAWER

[OUTLINE]

• Standard equipment: Yes

• Max. number of additional drawers: 1

• The drawer consists of:

1) Drawer box (outer case) and drawer

2) Money case

3) Lock (attached to the drawer)

7-3. LOCK (LOCK KEY: LKGIM7331BHZZ)

• Location of the lock: Front

• Method of locking and unlocking:

To lock, insert the drawer lock key into the lock and turn it 90 degrees counter clockwise. To unlock, insert the drawer lock key and turn it 90 degrees clockwise.

Key No: SK1-1

[SPECIFICATION] 7-1. DRAWER BOX AND DRAWER

Model name of the drawer box

Size 420 (W) x 427 (D) x 112 (H) mm color Gray 368 Material Metal Bell – Release lever Standard equipment: attached to the

Drawer open sensor YES

SK423

bottom

7-2. MONEY CASE

For U version For A version Separation from the drawer Allowed Allowed Separation of the coin compart-

ments from the money case Bill separator No No Number of compartments 5B/5C 5B/6C

For U version

Disallowed Allowed

For A version

SK1-1

5B/5C

5B/6C

CHAPTER 2. OPTIONS

1.OPTIONS

NO CLASSIFICATION COMPONENT NAME MODEL NAME REMARK

1 Drawer Remote drawer ER-03DW

ER-04DW

2 Key kit 1 x 1 key top kit (30) ER-11KT7 ER-A520 only

1 x 2 key top kit (30) ER-12KT7 2 x 2 key top kit (10) ER-22KT7 1 x 1 dummy key kit (30) ER-11DK7G

5 x 1 dummy key kit (10) ER-51DK7G 3 Display UP-P16DP 4 Memory RAM board UP-S02MB

ER-A520U/ER-A530U OPTIONS

– 5 –

CHAPTER 3. MASTER RESET AND PROGRAM RESET

The SRV key is used for performing entries in the SRV mode. A MASTER RESET clears the entire memory an d resumes initial values. A PROGRAM RESET resumes the initial program without c learing the

memory. There are 2 kinds of MASTER RESET operations.

MASTER RESET 1: Normal MASTER RESET

Clears the entire memory and resumes initial values.

MASTER RESET 2: It enables the layout of fixed keys in addition to

MASTER RESET 1. Fixed keys: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9]

[00] [000] [.] [CL] [@/FOR] [SBTL] [CA/AT]

1. MASTER RESET 1

Please use “Procedure A” or “Procedure B” Procedure A: 1) Set the mode switch to the (SRV’) position.

2) Plug in the AC power cord to the wall outlet.

3) While holding down the JOURNAL FEED key, turn the mode switch to (SRV) position from the (SRV’) position.

Procedure B: 1) Unplug the AC power cord from the wall outlet.

2) Set the mode switch to the (SRV) position.

3) While holding down the JOURNAL FEED key, plug in the AC power cord to the wall outlet.

Note: Proc edure B cannot reset the hardware.

Procedure A must be used to reset the hardware.

3. PROGRAM RESET

Please use either “Procedure A”, “Procedure B” or “Procedure C” Procedure A: 1) Set the mode switch to the (SRV’) position.

2) Plug in the AC power cord to the wall outlet.

3) Without pressing the JOURNAL FEED key, turn the mode switch to (SRV) position from the (SRV’) position.

Procedure B: 1) Unplug the AC power cord from the wall outlet.

2) Set the mode switch to the (SRV) position.

3) Without pressing the JOURNAL FEED key, plug in the AC power cord from the wall outlet.

Procedure C: 1) Unplug the AC power cord from the wall outlet.

2) Set the mode switch to the PGM2 position.

3) While holding down the JOURNAL FEED key & the RECEIPT FEED key, plug in the AC power cord to the wall outlet.

“Procedure C” can be ex ecuted when SRV#916- B is +4: PRO GRAM

RESET in PGM2 = ENABLE.

Note: Procedure B and C cannot reset the hardware.

Procedure A must be used to reset the hardware.

2. MASTER RESET 2

Please use “Procedure A” or “Procedure B” Procedure A: 1) Set the mode switch to the (SRV’) position.

2) Plug in the AC power cord to the wall outlet.

3) While holding down the JOURNAL FEED & the RECEIPT FEED keys, turn the mode switch to the (SRV) position from the (SRV’) position.

4) Program the [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [00] [000] [.] [CL] [@/FOR] [SBTL] [CA/AT] keys by depressing the keys in this order.

Note: If the [000] key is not required, press the same

key in the next step, and [000] key will be inhibited.

Procedure B: 1) Unplug the AC power cord from the wall outlet.

2) Set the mode switch to the (SRV) position.

3) While holding down the JOURNAL FEED & the RECEIPT FEED key, plug in the AC power cord to the wall outlet.

4) Repeat the same sequence as in “Procedure A”

Note: Proc edure B cannot reset the hardware.

Procedure A must be used to reset the hardware.

ER-A520U/ER-A530U MASTER RESET AND PROGRAM RESET

– 6 –

CHAPTER 4. HARDWARE DESCRIPTION

DRAWER2

KEY SCAN

DIG DRIVER

SEG DRIVER

KEY RETURN

PUP

LCD

DRAWER1

1. BLOCK DIAGRAM

ER-A520 and ER-A530

㪧㪦㪮㪜㪩㩷㪪㪦㪬㪚㪜

CPU RAM 10KB

DRIVER, SENSOR

PRINTER

CI 5V

4 to 16

DECODER

KEY RETURN

RS232C CH1

DRAWER1

DRAWER2

RAM OPT RAM FROM

SEG DRIVER

DIG DRIVER

KEY SCAN

2MB 1MB1MB

LCD

16 digits

x 2LINE

POPOPUP 7 digits

LED

KEY & SW

2. MEMORY MAP

2-1. ADDRESS MAP

Microprocessor mode : MODE0

000000h 000400h

000800h 100000h

200000h

300000h

400000h

500000h

600000h

700000h

800000h

IPLION0# "L" IPLON0# "H"

SFR AREA INTERNAL RAM AREA(10KB) INTERNAL RESERVE AREA

NOT USED

EXTERNAL I/O

NOT USED

STD SRAM(1MB)

EXPANSION SRAM(UP-S02MB)

400000h - 5FFFFFh

EXPANSION SRAM

(UP-S04MB)

400000h - 5FFFFFh

INTERNAL AREA (1BCLK:0WAIT)

EXTERNAL AREA0 (2BCLK:1WAIT)

EXTERNAL AREA1 (3BCLK:2WAIT)

EXTERNAL AREA2 (3BCLK:2WAIT)

CPU

MITSUBISHI M30802GP 12MHz (INTERNAL RAM 10KB)

EXTERNAL MEMORY

STD RAM 1MB OPT RAM 2MB FLASH ROM 1MB

PRINTER

PR58HM

RS232C CH2

900000h

A00000h

B00000h

C00000h

D00000h

E00000h

F00000h

FFFFFFh

NOT USED

EPROM(1MB) F-ROM(1MB)

NOT USED

F-ROM(1MB) EPROM(1MB)

EXTERNAL AREA3 (2BCLK:1WAIT)

ER-A520U/ER-A530U HARDWARE DESCRIPTION

– 7 –

3. CPU PIN TABLE

M16C/80 PORT USED IN PROCESSOR MODE: MICROPROCESSOR MODE (SEPARATE BUS 8bit WIDTH)

PIN No.

name

/INT3#

/INT4#

/INT5#

/CS3#

/CS2#

/CS1#

PORT

P00 122 D0 D0 I/O − In DA TA BUS D0 P01 121 D1 D1 I/ P02 120 D2 D2 I/O − In DA TA BUS D2 P03 119 D3 D3 I/O − In DA TA BUS D3 P04 113 D4 D4 I/O − In DA TA BUS D4 P05 112 D5 D5 I/O − In DA TA BUS D5 P06 111 D6 D6 I/O − In DA TA BUS D6 P07 110 D7 D7 I/O − In DA TA BUS D7 P10 109 P10 RAS O L Out L RECEIPT

P11 108 P11 RBS O L Out L RECEIPT

P12 107 P12 RCS O L Out L RECEIPT

P13 106 P13 RDS O L Out L RECEIPT

P14 105 P14 JAS O L Out L JOURNAL

P15 104 P15

P16 103 P16

P17 102 P17

P20 101 A0 A0 O − Out L Address Bus A0 P21 100 A1 A1 O − Out L Address Bus A1 P22 99 A2 A2 O − Out L Address Bus A2 P23 98 A3 A3 O − Out L Address Bus A3 P24 97 A4 A4 O − Out L Address Bus A4 P25 96 A5 A5 O − Out L Address Bus A5 P26 95 A6 A6 O − Out L Address Bus A6 P27 94 A7 A7 O − Out L Address Bus A7 P30 92 A8 A8 O − Out L Address Bus A8 P31 85 A9 A9 O − Out L Address Bus A9 P32 84 A10 A10 O − Out L Address Bus A10 P33 83 A11 A11 O − Out L Address Bus A11 P34 82 A12 A12 O − Out L Address Bus A12 P35 81 A13 A13 O − Out L Address Bus A13 P36 80 A14 A14 O − Out L Address Bus A14 P37 79 A15 A15 O − Out L Address Bus A15 P40 78 A16 A16 O − Out L Address Bus A16 P41 77 A17 A17 O − Out L Address Bus A17 P42 75 A18 A18 O − Out L Address Bus A18 P43 73 A19 A19 O − Out L Address Bus A19 P44 72 A20

P45 71 A21

P46 70 A22

Signal

name

JBS O L Out L JOURNAL

JCS O L Out L JOURNAL

JDS O L Out L JOURNAL

A20 O − Out L Address Bus A20

A21 O − Out L Address Bus A21

A22 O − Out L Address Bus A22

Initial value

After

POFF

Function

PAPER FEED A

PAPER FEED B

PAPER FEED C

PAPER FEED D

PAPER FEED A

PAPER FEED B

PAPER FEED C

PAPER FEED D

I/O

O − In DATA BUS D1

PIN No.

name

/CS0#

TA0out

TA0in

TA1out

TA1in

TA2out

TA2in

TA3out

TA3in

TA4out

TA4in

INT0#

/INT1#

/INT2#

/NMI#

P86/

Xcout

Xin

CLK3

PORT

P47 69 A23#

P50 65 WR# WR# O − Out L WRITE STROBE

P51 64 BHE# BHE# O − Out L NOT USED P52 63 RD# RD# O − Out L READ STROBE

P53 62 BCLK BCLK O − Out L BCLK CLOCK P54 55 HLDA# HLDA# O − Out L NOT USED P55 54 HOLD# HOLD# I − In NOT USED P56 53 ALE ALE O − Out L NOT USED P57 52 RDY# RDY# I − In NOT USED P60 47 RTS0# RS2# O H In RS-232 RS2 P61 46 CLK0 P62 45 RxD0 RD2 I − In RS-232 RD2 P63 44 TxD0 TD2 O H In RS-232 TD2 P64 43 RTS1# RS1# O H In RS-232 RS1 P65 42 CLK1 CI1# I − In RS-232 CI1 P66 40 RxD1 RD1 I − In RS-232 RD1 P67 38 TxD1 TD1 O H In RS-232 TD1 P70 37 P70/

P71 36 P71/

P72 35 P72/

P73 34 P73/

P74 33 P74/

P75 32 P75/

P76 31 P76/

P77 30 P77/

P80 29 P80/

P81 28 P81/

P82 27 P82/

P83 26 P83

P84 25 P84

P85 24 P85

P86 18

P87 17 P87/

P90 7 P90/

Signal

name

A23# O − Out L Address Bus A23

CI2#

KR0# I − In KEY RETURN

KR1# I − In KEY RETURN

KR2# I − In KEY RETURN

KR3#

KR4# I − In KEY RETURN

KR5# I − In KEY RETURN

KR6# I − In KEY RETURN

KR7# I − In KEY RETURN

BUZZER O L

DSEN I − In DRAWER OPEN

POFF# I − In P-O FF SI GN AL

SHEN# I − In

NMI# I − In NMI (CON-

Xcout O − Out SUB CLOCK

Xcin I − In SUB CLOCK

SCK O L Out L UP-P16DP

Initial value

After

POFF

In BUZZER SIG-

Function

SIGNAL

SIGNAL 0

SIGNAL 1

SIGNAL 2

SIGNAL 3

SIGNAL 4

SIGNAL 5

SIGNAL 6

SIGNAL 7

NAL

SENSE SIGNAL

UP-P16DP SHEN# SINGNAL

NECTED TO VDD)

(32.768kHz)

CLOCK SIGNAL

I/O

I − In RS-232 CI2

I − In KEY RETURN

I − In NOT USED

ER-A520U/ER-A530U HARDWARE DESCRIPTION

– 8 –

PIN No.

name

PORT

P91 6 P91/

RxD3

P92 5 P92/

TxD3

P93 4 P93/

RTS3#

P94 3 P94/

RTS4#

P95 2 P95/

CLK4

P96 1 P96/

TxD4

P97 144 P97/

RxD4

P100 141 P100/

AN0

P101 139 P101/

AN1

P102 138 P102/

AN2

P103 137 P103/

AN3

P104 136 P104/

AN4

Signal

name

I/O

Initial value

After

POFF

Function

STH I − In UP-P16DP STH

SIGNAL

HTS O L Out L UP-P16DP HTS

DRAWER1

O L Out L DRAWER 1

SIGNAL

DRIVE SIGNA L

DRAWER2

O L Out L DRAWER 2

DRIVE SIGNA L

PCLK O L Out L PRINTER

CLOCK

SO O L Out L PRINTER DATA

OUT

SI I − In PRINTER DATA

TM I − In

IN PRINTER HEAD

TEMPERATURE MONITOR

VPTEST I − In PRINTER HEAD

VOLTAGE MONITOR

VREF I − In REFERENCE

VOLTAGE

PHUPS I − In

PRINTER HEAD UP DETECTION

RPES I − In

PRINTER RECEIPT PAPER EMPTY DETECTION

P105 135 P105/

AN5

P106 134 P106/

AN6

P107 133 P107/

JPRS I − In

VHCOM O L Out L

I − In NOT USED

PRINTER J OU R NAL PAPER EMPTY DETECTION

PRINTER POWER CONTROL

AN7

P110 118 P110 STRB1# O H In PRINTER

STROBE 1

P111 117 P111 STRB2# O H In PRINTER

STROBE 2

P112 116 P112 STRB3# O H In PRINTER

STROBE 3

P113 115 P113 STRB4# O H In PRINTER

STROBE 4

P114 114 P114 LATCH# O H In P RINTER

LATCH

P120 90 P120 BLON O L Out L LCD BACK

LIGHT ON

P121 89 P121 LCDON O L Out L LCD POWER

ON P122 88 P122 LRS O L Out L LCD RS P123 87 P123 LR/W# O L Out L LCD R/W# P124 86 P124 LE O L Out L LCD ENABLE P125 68 P125 LWDL O L Out L LCD WRITE

DATA LATCH P126 67 P126 IPLON0 I − In IPL from ROM P127 66 P127

Out L NOT USED

−

P130 61 P130 ER2# O H In RS-232 ER2 P131 60 P131 CD2# I − In RS-232 CD2 P132 58 P132 CS2# I − In RS-232 CS2 P133 56 P133 DR2# I − In RS-232 DR2

PORT

No.

name

Signal

name

I/O

Initial value

After

POFF

Function

P134 51 P134 ER1# O H In RS-232 ER1 P135 50 P135 CD1# I − In RS-232 CD1 P136 49 P136 CS1# I − In RS-232 CS1 P137 48 P137 DR1# I − In RS-232 DR1 P140 14 P140 KR8# I − In KEY RETURN

SIGNAL 8

P141 13 P141 KR9# I − In KEY RETURN

SIGNAL 9

P142 12 P142 MODE# I − In MODE KEY

RETURN SIGNAL

P143 11 P143 FSR# I − In FEED SENSE

SIGNAL P144 10 P144 WP# I − In F lash ROM WP # P145 9 P145 RY/BY# I − In NOT USED P146 8 P146 CKDCR O

H In UP-P16DP

RESET SIGNAL P150 131 P150 KS0 O L Out L KEY STROBE

SIGNAL 0 P151 129 P151 KS1 O L Out L KEY STROBE

SIGNAL 1 P152 128 P152 KS2 O L Out L KEY STROBE

SIGNAL 2 P153 127 P153 KS3 O L Out L KEY STROBE

SIGNAL 3 P154 126 P154 LEDS0 O L Out L LED STROBE

SIGNAL 0 P155 125 P155 LEDS1 O L Out L LED STROBE

SIGNAL 1 P156 124 P156 LEDS2 O L Out L LED STROBE

SIGNAL 2 P157 123 P157 LEDS3 O L Out L LED STROBE

SIGNAL 3

POWER SUPPLY/CONTROL PINS

PORT PIN No. I/O PIN NAME FUNCTION

Xin 22 I Xin SYSTEM CLOCK IN

Xout 20 O Xout NC

RESET# 19 I RESET# RESET

BYTE 15 I BYTE Connected to VDD

CNVss 16 CNVss Connected to VDD

Vref 142 Vref Connected to VDD

ER-A520U/ER-A530U HARDWARE DESCRIPTION

– 9 –

+ 23 hidden pages

Sharp ER-A520, ER-A530 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual