MB9A310A Datasheet, Spansion

* 32-bit ARM Cortex-M3 Core  Processor version: r2p1  Up to 40MHz Frequency Operation  Integrated Nested Vectored Interrupt Controller (NVIC): 1 NMI (non-maskable .

The MB9A310A Series are based on the ARM Cortex-M3 Processor and on-chip Flash memory and SRAM, and peripheral function.