Silicon Laboratories, Inc. C8051F38A

The Silicon Laboratories, Inc. C8051F38A is a High-speed 8051 MCU with up to 48 MIPS Throughput, 48MHz System Clock, with 32KBytes ISP Flash, 2KBytes XRAM, 256Bytes RAM, Up to 21 interrupts with two priority levels, 40 I/O Lines, 4 16-Bit Timer/Counters, External Memory Interface (EMIF), 1 Watchdog Timer, 5-Channel PCA (with 5 Capture/Compare-Units), 32-Channel 10-bit SAR-ADC unit with up to 500 ksps, 2 Voltage comparators, 2-SMBusses, Enhanced SPI, 2 UARTs, On-Chip peripherals: temperature sensor, 48MHz oscillator, VDD monitor, Missing clock detector, and non-intrusive debug interface.