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[Silabs]

SYSTEM OVERVIEW

C8051F320/1 devices are fully integrated mixed-signal System-on-a-Chip MCUs. Highlighted features are listed below. Refer to Table 1.1 for specific product feature selection.

? High-speed pipelined 8051-compatible microcontroller core (up to 25 MIPS)

? In-system, full-speed, non-intrusive debug interface (on-chip)

? Universal Serial Bus (USB) Function Controller with eight flexible endpoint pipes, integrated transceiver, and 1k FIFO RAM

? Supply Voltage Regulator (5V-to-3V)

? True 10-bit 200 ksps 17-channel single-ended/differential ADC with analog multiplexer

? On-chip Voltage Reference and Temperature Sensor

? On-chip Voltage Comparators (2)

? Precision programmable 12 MHz internal oscillator and 4x clock multiplier

? 16k bytes of on-chip FLASH memory

? 2304 total bytes of on-chip RAM (256 + 1k + 1k USB FIFO)

? SMBus/I2C, Enhanced UART, and Enhanced SPI serial interfaces implemented in hardware

? Four general-purpose 16-bit timers

? Programmable Counter/Timer Array (PCA) with five capture/compare modules and Watchdog Timer function

? On-chip Power-On Reset, VDD Monitor, and Missing Clock Detector

? 25/21 Port I/O (5V tolerant)