Silicon Laboratories, Inc. C8051F389

The Silicon Laboratories, Inc. C8051F389 is a High-speed 8051 MCU with up to 48 MIPS Throughput, 48MHz System Clock, with 64KBytes ISP Flash, 4KBytes XRAM, 256Bytes RAM, Up to 21 interrupts with two priority levels, 25 I/O Lines, 4 16-Bit Timer/Counters, 1 Watchdog Timer, 5-Channel PCA (with 5 Capture/Compare-Units), 21-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.