C8051F320

Features

• High speed 8051 microcontroller core
  • 70% of instructions are executed in 1 or 2 system clocks
  • 24 MIPS throughput with 24 MHz clock
• Memory
  • 2304 bytes of internal RAM (1k + 256 + 1k USB FIFO)
  • 16kBytes flash, in-system programmable in 512-byte sectors
• Digital Peripherals
  • 21 I/O lines and 4 input only lines, all 5V tolerant
  • Hardware enhanced SPI, enhanced UART, and SMBus serial ports
  • Four general purpose 16-bit counters/timers
  • 16-bit programmable counter array with five capture/compare modes
• Analog Peripherals
  • 10-bit ADC
    • Up to 200 ksps (kilo samples per second)
    • Up to 17 or 13 external single-ended or differential inputs
    • VREF from external pin, internal reference or VDD
    • Built-in temperature sensor
    • External conversion start input
  • Two comparators
  • Internal voltage reference
  • POR/Brown-out detector
• USB Function Controller
  • USB Specification 2.0 compliant
  • Full speed (12 Mbps) or Low speed (1.5 Mbps) operation
  • Integrated clock recovery; no external crystal required for full or low speed
  • Supports eight flexible endpoints
  • 1kByte USB buffer memory
  • Integrated transceiver; no external resistors required
• Clock Sources
  • Internal Oscillator: 0.25% accuracy with Clock Recovery enabled
  • External Oscillator: Crystal, RC, C or Clock
• On-chip Debug
  • Non-intrusive in-system debug
  • Breakpoints, single-stepping, inspect/modify memory and registers

Schematic

Memory Map

See also registers

Additional Information Sources

Datasheet

Windows IDE and Tools

Linux Driver for Programming Cable

Small Device C Compiler (SDCC)