C8051F001

Overview

The C8051F001 is a mixed-signal System-on-Chip microcontroller from Silicon Labs, featuring an 8-bit CIP-51 CPU core with up to 25 MIPS throughput at a 25 MHz clock. It integrates 32 KB of in-system programmable (ISP) FLASH memory and 256 bytes of internal data RAM. The device includes a 12-bit SAR ADC with up to eight external inputs, two 12-bit DACs, analog comparators, and a precision voltage reference. Digital peripherals consist of hardware SMBus, SPI, and UART serial ports, a Programmable Counter Array (PCA), four general-purpose timers, and a dedicated watchdog timer. It operates within a supply voltage range of 2.7 V to 3.6 V and supports temperatures from -40°C to +85°C.

Feature Summary

• High-speed pipelined 8051-compatible core executing 70% of instructions in one or two system clocks
• On-chip JTAG debug circuitry enabling full-speed, non-intrusive in-system debugging without emulation hardware
• Integrated mixed-signal peripherals including a 12-bit ADC with programmable gain amplifier and dual 12-bit DACs
• Concurrent digital communication interfaces supporting SMBus, SPI, and UART protocols simultaneously

Applications

• Industrial process control systems requiring precise analog signal acquisition
• Battery-powered instrumentation utilizing low-power sleep modes
• Data acquisition systems leveraging the integrated high-resolution ADC and temperature sensor
• Embedded controllers needing in-system programming capabilities for field updates

Procurement Notes

Verify the specific package variant against the required pinout, as the family supports multiple form factors. Confirm that the design environment supports the proprietary CIP-51 instruction set and utilizes compatible development tools for the JTAG interface. Ensure power supply rails strictly adhere to the specified 2.7 V to 3.6 V operating range to maintain electrical characteristics.

Selection Notes

Select this component when a fully integrated mixed-signal solution is preferred over discrete components. The C8051F001 is suitable for designs requiring moderate code storage and limited RAM, contrasting with higher-capacity variants like the F005 series which offer expanded memory. Consider the 48-pin TQFP package availability if board space constraints align with its dimensions.

Part Context

This device belongs to the C8051F00x/01x/02x family of mixed-signal MCUs. It shares the same core architecture and peripheral set as the C8051F000 but differs in specific memory configurations or pin assignments depending on the exact suffix. The family is characterized by silicon-centric design principles, combining standard 8051 compatibility with advanced analog features on a single die.

Replacement Considerations

C8051F000R

FAQ

Does the C8051F001 require external programming voltage?

No, the device features 32 KB of ISP FLASH that can be reprogrammed in 512-byte sectors without special external programming voltages.

What is the maximum execution speed of the CIP-51 core?

The core achieves up to 25 MIPS throughput when driven by a 25 MHz system clock.