C8051F000 - 20 MIPS Mixed-Signal 32KB Flash MCU | Silicon Labs
MPN: C8051F000 ✗ End of Life| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
C8051F000 Overview
A mixed-signal MCU combines a digital microcontroller core with analog-to-digital, digital-to-analog, comparator, and sensor functions on one integrated circuit. The C8051F000 belongs to the 8051-compatible microcontroller hierarchy, where the CPU executes firmware while the on-chip analog subsystem measures or generates physical signals. This integration reduces external component count and simplifies PCB layouts for acquisition and control systems.
Key features include a maximum 20 MHz clock performance stated as 20 MIPS, a 9-channel ADC input multiplexer, a programmable-gain amplifier, 100 ksps maximum ADC throughput, and true 12-bit accuracy with ±1 LSB INL. The device also includes a 12-bit, two-channel DAC, two comparators, an on-chip temperature sensor, programmable windowed interrupt generation, and an on-chip JTAG debug interface.
The C8051F000 is based on the CIP-51 core and is designed for mixed-signal embedded control rather than high-volume connectivity. Its ISP flash supports in-system programming, while the integrated debug circuitry allows full-speed, non-intrusive debugging with the production device installed in the application. These features help shorten firmware development and bring-up cycles compared with a system requiring a separate debug interface.
Typical applications include industrial process monitoring, environmental sensor interfaces, laboratory instrumentation, motor and actuator control, data acquisition, and embedded control systems. The ADC can sample analog inputs at up to 100 ksps, while the DAC provides programmable analog outputs for control or signal-generation tasks. The integrated temperature sensor is useful for local monitoring when its accuracy and calibration requirements match the application.
The principal design consideration is analog signal conditioning. The ADC input multiplexer, programmable gain amplifier, reference selection, sampling timing, and analog-ground layout determine usable resolution and repeatability. Engineers should follow the manufacturer datasheet for pin multiplexing, bypass capacitors, clock requirements, and peripheral configuration rather than assuming that nominal 12-bit resolution guarantees accurate results in every PCB environment.
This product data combines the verified manufacturer datasheet information, distributor package and core details, and practical mixed-signal design considerations. It is intended to help engineers identify the correct MCU package, memory configuration, analog resources, and application fit before purchasing or replacing the device.
Drop-in alternatives for C8051F000 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with C8051F000 (same form factor and footprint) — differing in Package, ADC Resolution, DAC Resolution, Program Memory, Maximum Clock Frequency.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
C8051F040
✅ Drop-In📋 Reference alternative (not in catalog)
C8051F120
✅ Drop-In📋 Reference alternative (not in catalog)
C8051F002
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →C8051F005
✅ Drop-In✓ In Stock
$26.8764 / Unit
View Datasheet →C8051F006
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →C8051F000 Maximum Ratings & Electrical Characteristics
| Core | 8051-compatible CIP-51 core |
| Maximum CPU Performance | 20 MIPS |
| Maximum Clock Frequency | 20 MHz |
| Program Memory | 32 KB ISP flash |
| RAM | 256 x 8 bits |
| ADC | 12-bit SAR ADC |
| ADC Input Channels | 9-channel input multiplexer |
| ADC Throughput | Up to 100 ksps |
| ADC Accuracy | INL ±1 LSB |
| ADC Programmable Gain Amplifier | On-chip programmable-gain amplifier |
| DAC | 12-bit, 2-channel DAC |
| Comparators | 2 comparators |
| Temperature Sensor | On-chip temperature sensor, ±3 °C stated accuracy |
| Debug Interface | On-chip JTAG, full-speed non-intrusive in-circuit debug |
| Supply Voltage | 2.7 V to 3.6 V |
| Package | 64-TQFP, 10 x 10 mm |
| Mounting Type | Surface mount |
C8051F000 64-tqfp, 10 x 10 mm Pin Configuration Guide
Pin configuration for C8051F000 (64-tqfp, 10 x 10 mm package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for C8051F000.
Refer to the datasheet for full pin configuration.
Typical Applications
C8051F000 is suitable for 6 applications: Industrial Process Measurement, Environmental Sensor Monitoring, Laboratory Data Acquisition, Actuator and Motor Control, Data Logging and Embedded Control, Analog Signal Generation.
Industrial Process Measurement
Use C8051F000 for sensor acquisition and closed-loop process control when the design needs local analog conversion and digital decision-making in one device. Its 12-bit SAR ADC, 9-channel multiplexer, programmable-gain amplifier, and 100 ksps maximum throughput support pressure, level, temperature, and analog process signals. The two comparators can provide fast threshold events, while the DAC can generate a control or setpoint output. Keep sensor excitation, filtering, grounding, and calibration separate from the digital MCU supply and signal paths.
Recommended
Environmental Sensor Monitoring
C8051F000 fits environmental monitoring nodes that combine analog sensing with local processing and event reporting. The ADC can sample multiple external sensor channels through its 9-channel multiplexer, while the on-chip temperature sensor supports local thermal monitoring where its stated ±3 °C accuracy is adequate. Use the programmable gain amplifier for appropriately conditioned low-level signals, then apply calibration in firmware. The integrated JTAG interface helps validate sampling timing and sensor thresholds during development.
Recommended
Laboratory Data Acquisition
The C8051F000 can form the core of a compact laboratory data-acquisition instrument when the required signal bandwidth is compatible with its 100 ksps maximum ADC throughput. The 12-bit converter, programmable-gain input path, 9-channel multiplexer, two-channel 12-bit DAC, and comparators allow a single mixed-signal MCU to acquire measurements and generate stimulus. Validate input bandwidth, settling time, reference accuracy, and noise performance with the application-level analog front end rather than relying only on nominal converter resolution.
Recommended
Actuator and Motor Control
C8051F000 is suitable for small embedded control systems that combine digital sequencing with analog feedback. Its two comparators can monitor control thresholds, the ADC can acquire position or current-related signals, and the DAC can provide an analog command or reference signal. The 20 MIPS 8051-compatible core allows firmware to coordinate timing and control loops. Confirm output-drive requirements, isolation, protection, and any power-stage switching requirements separately because the MCU is a controller, not a high-current motor driver.
Recommended
Data Logging and Embedded Control
The 32 KB ISP flash and 256 x 8 RAM make C8051F000 suitable for compact embedded logging and supervisory-control products that retain firmware locally and acquire several analog inputs. Program calibration constants, conversion tables, and operating thresholds in flash, while using RAM for acquisition buffers and control state. ISP capability supports production programming and updates, while JTAG provides a direct development path. Memory sizing must be checked against the final firmware, bootloader, libraries, and logging strategy.
Recommended
Analog Signal Generation
C8051F000 can generate controlled analog outputs using its 12-bit, two-channel DAC while also monitoring feedback through the ADC and comparators. This combination is useful for test fixtures, excitation circuits, calibration loops, and compact control systems. Configure the reference and output range only after checking the datasheet, keep analog outputs away from noisy digital edges, and account for output settling and load capacitance. The DAC and ADC do not remove the need for suitable output buffering when driving higher-current or higher-capacitance loads.
Recommended
Recommended Products Summary
Engineering reference data for C8051F000 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | C8051F040 | C8051F120 | C8051F002 | C8051F005 | C8051F006 |
|---|---|---|---|---|---|---|
| Package | 64-TQFP (10 x 10 mm) | 64-pin TQFP family package; exact dimensions require verification | 64-pin TQFP family package; exact dimensions require verification | 64-pin TQFP family package; exact dimensions require verification | 64-pin TQFP family package; exact dimensions require verification | 64-pin TQFP family package; exact dimensions require verification |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
Key Differentiators
- Integrated mixed-signal resources (vs Generic digital-only replacement class)
- ADC channel count and throughput (vs Generic 8051-class MCU)
- Debug integration (vs 8051 device requiring separate debug support)
- Program memory and in-system programming (vs ROM-based legacy microcontroller)
Design Notes
Place the MCU power bypass capacitors close to the supply and ground pins, and route analog inputs away from switching nodes and high-current return paths. Because C8051F000 combines a digital core with ADC and DAC resources, a single ground plane may not provide the best system noise behavior; follow the datasheet's recommended analog and digital grounding arrangement and keep sensor returns separate where possible.
Treat the 12-bit ADC as a complete analog front end rather than a standalone converter. Check source impedance, acquisition time, anti-alias filtering, reference stability, and the programmed gain range in the C8051F0xx datasheet. The 100 ksps maximum throughput is a device capability, not a guaranteed system bandwidth; bandwidth and settling must be verified with the actual sensor, amplifier, and PCB layout.
Do not infer pin compatibility from the shared C8051 family name. The verified data establishes the C8051F000 package as 64-TQFP, but the supplied alternative results do not provide complete pin maps or all alternative electrical specifications. Before replacing C8051F000 with C8051F040, C8051F120, C8051F002, C8051F005, or C8051F006, compare every physical pin, alternate function, supply requirement, memory size, and firmware peripheral mapping.
Use the exact package suffix and current manufacturer documentation during procurement. The verified sources identify a 64-TQFP 10 x 10 mm package, but they do not establish a current lifecycle state, numeric distributor price, stock level, or lead time. Confirm those items directly with the manufacturer or authorized distributor before approving a production purchase or marking the product as InStock.
Reserve the JTAG interface and programming/debug access on the PCB even when the final product does not expose them externally. The manufacturer describes full-speed, non-intrusive in-circuit debugging with the production part installed. Add test pads or a controlled connector where practical, and review signal assignments against the exact C8051F0xx pin table because alternate peripheral functions can change signal routing between family members.
Compliance Information
The verified sources provide technical and distributor product information but do not state verified RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Obtain current compliance documentation for the exact C8051F000 orderable configuration.
