Add SPI accessible RAM to your microcontroller or Arduino project. Volume pricing discounts.
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We are TEMPORARILY suspending sales as we are unable to ship with our cross-border service due do COVID-19 restrictions on non-essential business in Canada. We will resume as soon as it is safe to do…
Read More…A tiny RAM expansion board offering 8Mbit (1M bytes) of memory storage accessible by the SPI 4-wire interface in a dual chip configuration. The two chips share the same SPI bus but are individually accessed by two separate chip-select pins.
Module provides full breakout of all SRAM pins including optional modes like hold, dual and quad SPI. Power supplied can be for a 2.5V or 3.3V interface.
Microcontrollers and boards like Arduino and Digilent often have very limited amounts of program memory leaving very little left over for storing user data such as graphics, audio or other user data. By using a RAM expansion module you can
Module is plug-in compatible with Digilent PMOD interface but can be used with any board by properly connecting the signals on the memory module.
1 - CS0n - active low chip select for memory 0
2 - MOSI
3 - MISO
4 - SCLK
5,11 - GND
6,12 - VDD
7 - CS1n - active low chip select for memory 1
8 - no connect (unused)
9 - SIO2 - serial I/O bit 2 for SPI quad (SDQ) mode
10 - HOLDn (SIO3) - Dual purpose. Active low HOLD pauses the transfer. For SDQ, this is I/O bit 3
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