C8051F862-C-ISR

Overview

The C8051F862-C-ISR is an 8-bit microcontroller from the Silicon Labs C8051F85x/86x family, featuring a high-speed CIP-51 core with up to 25 MIPS throughput at a 25 MHz clock. It integrates 8 kB of in-system programmable Flash memory and 512 Bytes of RAM. The device includes a 12-bit ADC with up to 16 input channels, two analog comparators, four 16-bit timers, and a Programmable Counter Array. Communication interfaces include UART, I2C/SMBus, and SPI. It operates on a 2.2 to 3.6 V supply and is available in a 16-pin SOIC package.

Feature Summary

• High-performance CIP-51 core with pipelined architecture for efficient instruction execution
• Integrated 12-bit Analog-to-Digital Converter supporting multiple input channels and modes
• On-chip debug circuitry enabling full-speed, non-intrusive system debugging without external emulators
• Comprehensive set of digital peripherals including UART, I2C, SPI, and multiple timer/PWM units

Applications

• Industrial control systems requiring mixed-signal processing
• Embedded sensor interfaces utilizing ADC and comparator capabilities
• Communication gateways leveraging UART, SPI, and I2C protocols
• Battery-powered devices benefiting from low-power operational modes

Procurement Notes

Verify the specific suffix -ISR against the manufacturer's current documentation to confirm package type and temperature range. Confirm that the component status aligns with project requirements, as this series may be designated Not Recommended for New Designs. Ensure compatibility with existing development tools and verify all electrical specifications against the latest datasheet revision before finalizing procurement.

Selection Notes

Select this component when a cost-effective 8-bit MCU with integrated analog peripherals is required. The CIP-51 core offers enhanced performance over traditional 8051 architectures. Consider the 16-pin SOIC package for space-constrained designs. Evaluate the internal oscillator accuracy and power consumption characteristics against application needs. Ensure the 2.2V to 3.6V operating voltage range matches the system power supply.

Part Context

The C8051F862 belongs to the C8051F85x/86x family, which provides a low-cost solution for embedded applications. This family combines a high-speed microcontroller core with extensive on-chip analog and digital peripherals. The design emphasizes integration to reduce external component count. The C8051F862 variant specifically targets applications needing moderate Flash memory and robust communication interfaces within a compact footprint.

Replacement Considerations

Consult the official datasheet for direct pin-compatible substitutes within the C8051F85x/86x family. Verify functional equivalence regarding memory size, peripheral availability, and package dimensions. Check for any differences in electrical characteristics or temperature ranges. Note that older revisions or similar part numbers may have different feature sets or status classifications.