Freescale Semiconductor MC9328MX21S

The Freescale Semiconductor MC9328MX21S is an ARM926EJ-S based High-performance 32-bit RISC Microprocessor with Thumb extensions, 16KB Data Cache, 16KB Instruction Cache, MMU, Write Buffer, clock speed up to 266 MHz, ARM926EJ-S Interrupt Controller (AITC), Phase-Locked Loop (PLL), Clock and Reset Controller, AHB-Lite IP Interface (AIPI) Module, System Control, Bootstrap, Multi-layer AHB Crossbar Switch (MAX), WDOG, RTC, 3 * General Purpose Timers (GPT), Pulse-Width Modulator (PWM), SDRAM Memory Controller, Direct Memory Access Controller (DMAC), NAND Flash Memory Controller, External Interface Module (EIM), I2C, 2 * SPI, 2 * SSI/I2S, I2C, LCD Controller (LCDC), Smart LCD Controller (SLCDC), 2 * MultimediaCard/Secure Digital Host Controller (MMC/SDHC), Digital Audio Mux (AUDMUX), 3 * UART, USB On-The-Go (USB OTG), USB Host, PCMCIA/CF Interface, Keypad Port (KPP), Fast InfraRed Interface (FIRI) Module, 1-Wire Interface, 192 GPIO pins.