The main processor is in the upper left. The Freescale chip is labeled MCIMX31LVKN5C M91E CTAH0850V. It's a 532 MHz, ARM-11 90nm 14mm package.
To the right of the processor, the Samsung K4X1G323PC is a 32MB mobile DDR SDRAM chip. There another Samsung SDRAM chip in the lower right.
The large Samsung package in the lower left is the Kindle's main memory. It's a 2 GB moviNAND package, which includes both flash memory and the cotroller.
The co-branded Epson and E-Ink chip on the right is the display controller. It is a PFBGA package that supports "high speed screen updates (2048x1536 at 50Hz+)."
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