NuttX-5.2
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This is the 49th release of NuttX. This release completes the
verification of the basic port for the NXP LPC3131 MCU on the
Embedded Artists EA3131 board
(http://www.embeddedartists.com/products/kits/lpc3131_kit.php).
This basic port includes basic boot-up, serial console, and timer
interrupts. This port has been verified on the using the NuttX OS
test and includes a working implementation of the NuttShell (NSH).

An extended release will follow and should include SDIO-based SD
card support and device USB.