Cirrus Logic EP7309

The Cirrus Logic EP7309 is an ARM720T based high-performance 32-bit RISC Microprocessor with Thumb extensions, operating up to 74 MHz, 8KB Cache, Write Buffer, MMU, 48KB RAM, 128B Boot ROM, MaverickKey IDs, LCD Controller, External Memory Interface, Digital Audio Interface, 2 * SSI, CODEC Sound Interface, 8x8 Keypad Scanner, 27 GPIO pins, 2 * UART, IrDA, 2 * PWM, RTC, 2 * General Purpose 16-bit Timers, Interrupt Controller, optimized for low power.