STMicroelectronics STA2051

The STMicroelectronics STA2051 is an ARM7TDMI based High-performance 32-bit RISC Microcontroller with Thumb extensions, 256+16 kBytes Flash ROM, 64 kBytes internal RAM, clock up to 66MHz External Memory Interface, PLL, CAN compliant with CAN V2.0 part B, Realtime Clock (RTC), 4 UARTs, 4 Timers, SmartCard Interface, 2 Serial Peripheral Interfaces (SPI), 2 I2C Interfaces, HDLC interface, Four channel 12-bit A/D Converter, WDT, 48 I/O Pins, up to 16 External Interrupts.