C8051F853-C-IM

Overview

The C8051F853-C-IM is an 8-bit microcontroller from the Silicon Labs C8051F85x 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, and communication peripherals such as UART, I2C/SMBus, and SPI. It operates on a supply voltage of 2.2 to 3.6 V within an industrial temperature range of –40 to +125 °C.

Feature Summary

• High-speed CIP-51 core with pipelined architecture for efficient instruction execution
• Integrated 12-bit Analog-to-Digital Converter with multiple input channels and configurable reference options
• On-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without external emulators
• Crossbar-enabled General-Purpose I/O with 5 V-tolerant pins for flexible peripheral assignment

Applications

• Industrial control systems requiring robust MCU performance
• Sensor interfaces utilizing integrated ADC and comparator capabilities
• Embedded applications needing reliable serial communication via UART or SMBus
• Battery-powered devices benefiting from low-power operational modes

Procurement Notes

Verify the specific suffix 'IM' confirms the industrial temperature grade (-40°C to +125°C) and QFN package variant. Confirm that the component status aligns with the manufacturer's 'Not Recommended for New Designs' designation to ensure long-term availability and support compatibility for existing production runs.

Selection Notes

Select this component when an 8-bit 8051-compatible architecture is required with integrated analog peripherals. It is suitable for designs prioritizing cost-effectiveness and moderate processing speed. Ensure the application fits within the 2.2V to 3.6V supply voltage constraints and utilizes the available Flash and RAM capacities efficiently.

Part Context

This part belongs to the C8051F85x/86x family of low-cost 8-bit MCUs. The series is characterized by its high integration, combining digital and analog functions on a single chip. The C8051F853 variant specifically offers 8 kB of Flash and 512 Bytes of RAM, distinguishing it from other members of the family with different memory configurations.

Replacement Considerations

Public confirmed substitute part numbers: None identified.