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Silicon Laboratories, Inc. C8051F391

The Silicon Laboratories, Inc. C8051F391 is a High-speed 8051 MCU with up to 50 MIPS Throughput, 50MHz System Clock, with 16K Bytes ISP Flash, 768 Bytes XRAM, 256 Bytes RAM, up to 18 interrupts with two priority levels, up to 21 I/O lines, 6 Timer/Counters, 2-SMBus units, Enhanced SPI, Enhanced UART, Programmable Coutern Array wiht 1 16-Bit counter/timer and 3 16-Bit capture/compare modules, On-Chip peripherals: Calibrated 49MHz oscillator and non-intrusive debug interface (2-Wire SiLABs C2 interface).

[Chip Vendor] [Distributors]

Development Tools
Compiler, Assembler, Linker, Debugger
Data Sheets
Full Data Sheet
1,744,269 bytes
Short Data Sheet
35,416 bytes

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Header Files
Real-Time OS
Simulated Features
Simulation for this device is provided by the default peripheral simulation driver.

Complete peripheral simulation is not available and is not planned to be implemented by ARM.

The following on-chip peripherals are not simulated.

  • Crossbar
  • External & On-Chip memory
  • Interrupts (Including External)
  • Port 0
  • Port 1
  • Port 2
  • Port 3
  • Power Saving Modes (Idle and Power Down)
  • Serial UART 0 (Enhanced Interface)
  • Timer 0
  • Timer 1
  • Timer 2
AGSI Drivers

The following AGSI Drivers are available for the Keil Software µVision Simulator.

AGDI Drivers

The following AGDI Drivers are available for the Keil Software µVision Debugger.

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