成都美尔达电子有限公司

32-bit ARM® Cortex™-M3 50-MHz processor core with System Timer (SysTick), integrated Nested Vectored Interrupt Controller (NVIC), Memory Protection Unit (MPU), and Thumb-2 instruction set

Full-featured debug solution with debug access via JTAG and Serial Wire interfaces, and IEEE 1149.1-1990 compliant Test Access Port (TAP) controller

256 KB single-cycle flash and 64 KB single-cycle SRAM

Lower-power battery-backed Hibernation module with Real-Time Clock

21-52 GPIOs (depending on configuration) with programmable control for GPIO interrupts and pad configuration

ARM FiRM-compliant Watchdog Timer ; plus four General-Purpose Timer Modules (GPTM), each of which provides two 16-bit timers/counters and can be configured to operate independently

10-bit Analog-to-Digital Converter (ADC) with eight analog input channels and a sample rate of one million samples/second

Three fully programmable 16C550-type UARTs with IrDA support

Two Synchronous Serial Interface (SSI) modules, supporting operation for Freescale SPI, MICROWIRE, or Texas Instruments synchronous serial interfaces

Two Inter-Integrated Circuit (I²C) Interface modules, providing Standard (100 Kbps) and Fast (400 Kbps) transmission and support for sending and receiving data as either a master or a slave

Industrial and extended temperature RoHS-compliant 100-pin LQFP package and industrial-range RoHS-compliant 108-ball BGA package