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Silicon Laboratories, Inc. C8051F971

The Silicon Laboratories, Inc. C8051F971 is a High-speed 8051 MCU with 25 MIPS, 32KBytes ISP-Flash, 256 Bytes Data Ram, and 8KBytes XRAM. 1 10-bit ADC Unit with 28 channels. 28 GPIOs. 4 general purpose 16-bit timer/counters. 128-bit unique key for each device. Direct Memory Access (DMA) module with 7-channel. 1-cycle 16 x 16 Multiply and Accumulate (MAC) Engine. 16-bit Programmable Counter Array (PCA) with 3 channels of PWM, capture/compare, or frequency output capability, and watchdog timer. High Speed (3.4 Mbps) I2C slave inteface. System Management Bus up to 400 kbs. 2 Supply monitors (brownout detector) for sleep and active modes. 16/32-Bit CRC unit. Built-in LDO (low-dropout) regulator allows a high analog supply voltage and low digital core voltage. 1 operation mode and 7 low power modes. 32-Bit SmaRTClock Timer with dedicated 32 kHz low frequency oscillator (LFO). SPI Interface. UART Interface. On-chip debug circuitry C2.

[Chip Vendor] [Distributors]

Development Tools
Compiler, Assembler, Linker, Debugger
Data Sheets
Data Sheet
3,553,801 bytes
Development kit user guide
1,765,834 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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