C8051F023R

Overview

The C8051F023R is a mixed-signal System-on-Chip microcontroller from Silicon Labs, featuring an 8-bit CIP-51 core operating at up to 25 MHz. It integrates 64 KB of in-system programmable Flash memory and 4352 bytes of internal data RAM. The device includes a 10-bit ADC with up to 8 external inputs and a programmable throughput of 100 ksps, alongside two 12-bit DACs. Digital peripherals include hardware SMBus, SPI, and dual UARTs. It operates within a supply voltage range of 2.7V to 3.6V and supports temperatures from -40°C to +85°C.

Feature Summary

• High-speed pipelined 8051-compatible core delivering up to 25 MIPS throughput
• On-chip JTAG debug circuitry enabling full-speed non-intrusive in-circuit debugging
• Integrated analog peripherals including 10-bit ADC, 12-bit DACs, and comparators
• Programmable digital I/O crossbar for flexible peripheral pin assignment

Applications

• Portable medical equipment
• Weigh scales
• Test equipment
• Fiber optic systems

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix 'R' corresponds to tape-and-reel packaging requirements if applicable. Check for RoHS compliance status as indicated in official documentation, noting potential variations based on manufacturing date codes. Ensure environmental specifications meet project operational limits.

Selection Notes

Select this model when high analog integration is required alongside standard 8051 compatibility. The C8051F023 variant specifically offers 10-bit ADC resolution compared to the 12-bit option in the F021. Consider the 64-TQFP package size for board layout constraints. Evaluate power consumption profiles against application duty cycles given the typical operating current specifications.

Part Context

This component belongs to the C8051F02x family of highly integrated mixed-signal microcontrollers. These devices are designed to reduce system component count by combining processing, memory, and extensive analog/digital peripherals on a single chip. The family emphasizes ease of development through comprehensive on-chip debug capabilities and support for both C and assembly language programming environments.

Replacement Considerations

C8051F023-GQ is listed as a direct substitute.