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mikroSDK Library

SRAM 3 click

Rating:

5

Author: MIKROE

Last Updated: 2020-09-30

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: SRAM

Downloaded: 2605 times

Not followed.

License: MIT license  

SRAM 3 Click is a 1Mb serial SRAM with a non-volatile SONOS storage element included with each memory cell, organized as 128k words of 8 bits each. This board features the ANV32AA1WDK66 a SRAM memory from Anvo-System Dresden.

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  • mikroSDK Library 2.0.0.0
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mikroSDK Library Blog

SRAM 3 Click

SRAM 3 Click

Native view of the SRAM 3 Click board.

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SRAM 3 Click

SRAM 3 Click

Front and back view of the SRAM 3 Click board.

View full image

Library Description

Library provides functions for communicating with device via SPI module, functions for reading and writing to memory as well as some protective functions to prevent data corruption.

Key functions:

  • void sram3_read( uint32_t mem_adr, uint8_t *read_buf, uint8_t buf_size ) - Function for reading data from memmory
  • uint8_t sram3_secure_read( uint32_t mem_adr, uint8_t *read_buf ) - Function for reading data from memmory with crc checksum for data validation
  • void sram3_write( uint32_t mem_adr, uint8_t *write_buf, uint8_t buf_size ) - Function for writing data to memmory
  • void sram3_secure_write( uint32_t mem_adr, uint8_t *write_buf )  - Function for writing data to memmory with crc checksum for data validation

Examples description

The application is composed of three sections :

  • System Initialization - Initialization of SPI module
  • Application Initialization - Configures SPI module
  • Application Task - Writes "MikroE" to memory location 0x00 and reads from it
void application_task ( )
{
    uint8_t buff_out[ 10 ] = { 0 };
    
    mikrobus_logWrite( "Writing "MikroE" to memory...", _LOG_LINE );
    sram3_enable_write( );
    sram3_write( 0x00, &buf[ 0 ], 6 );

    Delay_100ms( );

    mikrobus_logWrite( "Data read from memory: ", _LOG_TEXT );
    sram3_read( 0x00, &buff_out[ 0 ], 6 );
    mikrobus_logWrite( &buff_out[ 0 ], _LOG_LINE );
    mikrobus_logWrite( "---------------------------------------------", _LOG_LINE );

    Delay_1sec( );
}

Other mikroE Libraries used in the example:

  • SPI
  • UART

Additional notes and informations

Depending on the development board you are using, you may need USB UART clickUSB UART 2 click or RS232 click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.

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