Sharp ER-A530, ER-A520 service manual Hardware Description, Block Diagram Memory MAP, Address MAP

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CHAPTER 4. HARDWARE DESCRIPTION

1. BLOCK DIAGRAM

2. MEMORY MAP

ER-A520 and ER-A530

2-1. ADDRESS MAP

㪧㪦㪮㪜㪩㩷㪪㪦㪬㪚㪜

DRIVER, SENSOR

PRINTER

 

DRAWER1

 

000000h

 

 

 

 

 

000400h

 

DRAWER2

 

 

 

 

 

 

 

000800h

 

RAM

OPT RAM

FROM

100000h

 

 

CPU

 

 

 

 

 

RAM 10KB

 

 

 

200000h

 

 

 

 

 

 

1MB

 

2MB

1MB

 

 

 

 

LCD

 

300000h

 

 

 

16 digits

 

 

 

 

x 2LINE

 

 

SEG DRIVER

POPUP

400000h

 

 

 

7 digits

 

 

DIG DRIVER

 

LED

500000h

 

 

 

 

 

 

4 to 16

 

 

 

 

 

DECODER

 

 

 

600000h

 

 

 

 

 

 

KEY SCAN

 

 

 

 

 

KEY RETURN

KEY & SW

700000h

 

 

CI

RS232C CH1

 

 

 

800000h

5V

 

 

 

 

 

 

 

 

RS232C CH2

 

 

 

900000h

Microprocessor mode : MODE0 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)

 

 

A00000h

CPU

 

 

MITSUBISHI M30802GP 12MHz

B00000h

 

(INTERNAL RAM 10KB)

 

EXTERNAL MEMORY

C00000h

STD RAM

1MB

 

OPT RAM

2MB

D00000h

FLASH ROM

1MB

 

PRINTER

 

E00000h

PR58HM

 

 

 

 

F00000h

FFFFFFh

NOT USED

NOT USED

EPROM(1MB)

F-ROM(1MB)

 

 

NOT USED

 

 

F-ROM(1MB)

EPROM(1MB)

 

 

EXTERNAL AREA3 (2BCLK:1WAIT)

ER-A520U/ER-A530U HARDWARE DESCRIPTION

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Contents ER-A520 Model ER-A530 Specifications AppearanceRating KeyboardCancel SlipDEPT# CONV2 ~ CONV4Mode Switch Mode Switch and Mode KeysDisplay PrinterDrawer Options 1.OPTIONSMaster Reset and Program Reset Master ResetProgram Reset Master ResetAddress MAP Block Diagram Memory MAPHardware Description CPU PIN Table RTS3# Drive Signal RTS4# Drive SignalAN0 Temperature Monitor AN6 Power CON TrolPrinter Control Stepping Motor ControlHead Control Other PortsPrinter Head Temperature Monitor D Conversion KEY/DISPLAYPrinter Head Voltage Monitor Reference VoltageKEY/DISPLAY Scan Power Flash Memory Rewrite ProcedureSerial I/O DisplayBuzzer ResetRistrictions on Print Ratio Diagnostic Program Test ItemsDescription of Each Diag Program Display Buzzer TestMode Switch Test Printer TestKeyboard Test Printer Sensor TestClock Test Drawer 1 Open & Sensor TestDrawer 2 Open & Sensor Test LCD CG TestStandard RAM Test Option RAM TestCPU Internal RAM Test AD Conversion Port Test16POLE Display Test Flash ROM Test19SCANNER Test RS TestIPL ROM IPL from EP-ROMROM Copy GND VCC Circuit Diagram and PWB Layout CPUSram / from / Eprom / Poff 16M Flash ROMLCD I/F / KEY I/F Printer Driver RS232C Driver / UP-P16DP CN Option RAM Connector / Printer Connector / Drawer DRAWER1+5V, Vled ER-A520U/ER-A530U Circuit Diagram and PWB Layout ER-A520U/ER-A530U Circuit Diagram and PWB Layout ER-A520U/ER-A530U Circuit Diagram and PWB Layout Copyright  2004 by Sharp Corporation Sharp Corporation

ER-A520, ER-A530 specifications

The Sharp ER-A530 and ER-A520 are advanced electronic cash registers designed to cater to the needs of small and medium-sized businesses. These models are known for their reliability, user-friendly interfaces, and robust features that enhance operational efficiency in retail environments.

One of the most prominent features of the ER-A530 and ER-A520 is their advanced transaction processing capabilities. Equipped with a high-speed thermal printer, these registers ensure quick and efficient printing of receipts, which is essential for maintaining customer satisfaction during busy hours. The print quality is clear and legible, providing customers with a professional receipt that reflects the brand's identity.

Both models boast an intuitive and ergonomic keypad layout, making it easy for staff to learn and operate the register with minimal training. The bright and easy-to-read LCD display is another key characteristic, allowing operators to view transaction details clearly in various lighting conditions. This user-friendly design reduces errors and speeds up the checkout process, making it ideal for busy retail settings.

In terms of storage capacity, the Sharp ER-A530 and ER-A520 can handle a substantial number of PLUs (Price Look Up codes), accommodating a wide range of products and services. This extensive capability is particularly beneficial for businesses with a diverse inventory, as it enables quick access to pricing and product information without needing to enter details manually for every sale.

Connectivity is another strong point for these registers. The ER-A530 and ER-A520 support various peripheral devices, including barcode scanners, cash drawers, and kitchen printers. This versatility allows businesses to create a more streamlined checkout process, enhancing overall operational efficiency.

Additionally, both models include advanced reporting features that allow business owners to track sales trends, monitor inventory levels, and analyze performance over time. This analytical capability is crucial for making informed decisions about inventory management, staffing, and sales strategies.

Moreover, the security features in the ER-A530 and ER-A520 ensure that sensitive financial data is protected. With password-protected access to programming and certain functions, businesses can safeguard against unauthorized use while maintaining a secure environment for transactions.

In summary, the Sharp ER-A530 and ER-A520 electronic cash registers stand out in the market for their reliable performance, user-friendly design, and a comprehensive set of features that accommodate the unique needs of retailers. These registers not only enhance customer service but also provide critical insights for inventory and sales management, making them an excellent choice for businesses looking to streamline their operations.