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Flash 3 click


22 g

Flash 3 click is a mikroBUS add-on board for adding more Flash Memory to your target board microcontroller. It carries an ISSI IS25LP128 IC with 128 Mbit capacity.

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Quantity Unit Price
5 $11.40
20 $10.80

The high-performance Flash chip operates at 50MHz at Normal and 133MHz at Fast Read speeds.

It is specified to standard 100,000 erase/program cycles with more than 20 years of data retention. The data can be erased in sectors or blocks and programmed with 1 to 256 bytes per page.

Each chip has a 128-bit unique ID for each device.

Flash 3 communicates with the target board through the mikroBUS™ SPI interface with additional functionality provided by HOLD, CE and WP pins. It is designed to use a 3.3V power supply only.


Type Flash
Applications Mass storage option in multimedia devices, drives, optical and printing devices
On-board modules ISSI IS25LP128 IC
Key Features 128 Mbit capacity, 50/133 MHz read speed (Normal/Fast)
Key Benefits 128-bit unique ID for each device, Software and hardware write protection
Interface GPIO,SPI
Input Voltage 3.3V or 5V
Compatibility mikroBUS
Click board size S (28.6 x 25.4 mm)

The click board also comes with a firmware library which is very similar to the one used for Flash 2 click, documented in this learn article.


This example shows the Flash 3 click write routine.

 1 void flash_3_write
 2 (
 3         uint32_t address,
 4         uint8_t *buffer,
 5         uint32_t count
 6 )
 7 {
 8     flash_3_write_enable( true );
 9     flash_3_hal_cs( 0 );
10     flash_3_hal_cmd( FLASH_3_PP );
11     flash_3_write_address( address );
12     flash_3_hal_write( buffer, count );
13     flash_3_hal_cs( 1 );
14     while( flash_3_wip() );
15 }

Code examples that demonstrate the usage of Flash 3 click with MikroElektronika hardware, written for mikroC for ARM, and FT90x are available on Libstock

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