The AT91 Bootstrap application is a free bootstrap for the SAM9 MPU microcontrollers. It integrates several sets of algorithms to configure the clocks, and program the on-board customer memories (SDRAM, PSRAM, etc.). The latest version (3.X) has been directly integrated in the different software packages for each development kit provided on the www.microchip.com website. It supports NAND, DataFlash, serial Flash, SD Card and CFI NOR Flash on many different SAM9 MPU products.