Memory Board – RAM 32KB And SPI EEPROM
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Memory Board - RAM 32KB And SPI EEPROM

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1. Description

This board contains CY62256NLL-55 or equivalent RAM which supports parallel 8 bit data bus and 15 bit address bus. Data and address signals are applied through two 10 Pin FRC connectors. Power supply is also taken through FRC connector from the microcontroller board. It also contains SPI EEPROM AT25256 or equivalent with 32 KB capacity. SPI is a three wire interface with lines named SDO, SDI, SCK and saves port lines as compared to parallel Interface. Control signals for RAM and EEPROM are applied through 10 Pin BERG connector. Pin description of the connectors is provided in the interconnection  diagram(Available in User Manual)  enabling developer to write own software, however, sample code (For WINS’ Microcontroller) is supplied free of charge with the purchase of this board. Choice of Microcontroller board should be made at the time of ordering this board so that compatible sample software is supplied. Developers can use this as one of the Project Boards. For more Quick Design Boards, find details at web site www.winselectronics.com

1.1 Features

  • 32KBytes Parallel RAM
  • On-board Latch IC and space for Decoder IC
  • 32Kbytes EEPROM (SPI Interface)
  • Two 10 PIN FRC Cable connectors for 15 Line Data/Address Bus Interface
  • One 10 PIN BERG connector for control signals for RAM and I2C EEPROM

1.2 Supplied Items

  • Memory Board – RAM 32KB And SPI EEPROM         - (Qty 1)
  • 10 Core FRC  Cable                                               - (Qty 2)
  • 10 PIN BERG Cable                                               -  (Qty 1)

1.3 Suggested Applications 

  • Addition of RAM capacity of 32Kbytes to  a Microcontroller system for storage of intermediate data.
  • Useful in transferring Files from source to destination through microcontroller board.
  • Addition of EEPROM capacity of 32Kbytes to a microcontroller system for storage of Calibration data, tables etc.
 

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