dram
2.1.0.0
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DRAM Click is a compact add-on board representing a dynamic random-access memory solution. This board features the APS6404L-3SQR, 64Mb high-performance SPI/QPI PSRAM memory organized as 8M x 8 bits each from AP Memory. This Pseudo-SRAM device features a high speed, low pin count interface and incorporates a seamless self-managed refresh mechanism to maximize the performance of memory read operation. It has 4 SDR I/O pins and operates in SPI or QPI (quad peripheral interface) mode with frequencies up to 133 MHz.
We provide a library for the DRAM Click as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.
Package can be downloaded/installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.
This library contains API for DRAM Click driver.
dram_cfg_setup
Config Object Initialization function. dram_init
Initialization function. dram_memory_write
This function writes a desired number of data bytes starting from the selected memory address. dram_memory_read
This function reads a desired number of data bytes starting from the selected memory address. dram_memory_read_fast
This function reads a desired number of data bytes starting from the selected memory address performing fast read feature. This example demonstrates the use of DRAM click board by writing specified data to the memory and reading it back.
The demo application is composed of two sections :
Initializes the driver, resets the device and checks the communication by reading and verifying the device ID.
Writes a desired number of bytes to the memory and then verifies if it is written correctly by reading from the same memory location and displaying the memory content on the USB UART.
The full application code, and ready to use projects can be installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.
Other Mikroe Libraries used in the example:
Additional notes and informations
Depending on the development board you are using, you may need USB UART click, USB UART 2 Click or RS232 Click to connect to your PC, for development systems with no UART to USB interface available on the board. UART terminal is available in all MikroElektronika compilers.