C8051F065-GQ

Overview

The C8051F065-GQ is a mixed-signal System-on-a-Chip microcontroller from the C8051F06x family, featuring a high-speed pipelined 8051-compatible core operating at up to 24.5 MHz. It integrates 64 kB of in-system programmable Flash memory and 4352 bytes of on-chip RAM within a 100-pin TQFP package. The device includes two 16-bit SAR ADCs with direct memory access, three analog comparators, and an internal calibrated precision oscillator. Digital peripherals consist of hardware SMBus, SPI, dual UARTs, five general-purpose 16-bit timers, and a programmable counter array. It supports a supply voltage range of 2.7 V to 3.6 V and operates across a temperature range of -40°C to +85°C.

Feature Summary

• Features two separate 16-bit high-speed SAR ADCs capable of up to 1 Msps throughput with direct memory access for efficient data transfer without software overhead.
• Includes a fully integrated on-chip debug circuitry that facilitates full-speed, non-intrusive in-circuit debugging with support for breakpoints and stack monitoring.
• Provides flexible digital I/O routing through a programmable digital crossbar decoder, allowing dynamic assignment of peripheral functions to physical pins.

Applications

• Analog-intensive signal processing systems requiring high-resolution data acquisition
• Industrial control applications utilizing CAN bus or serial communication protocols
• Precision measurement instruments and smart sensors

Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm the specific ordering suffix matches the required package type and temperature rating. Ensure compliance with RoHS standards if applicable to your manufacturing process. Review the latest revision history for any functional updates before finalizing procurement orders.

Selection Notes

Select this component when high-resolution analog conversion is critical alongside robust digital processing capabilities. The inclusion of dual 16-bit ADCs makes it suitable for applications demanding precise signal monitoring. Consider the available GPIO count and peripheral set to ensure adequate interface connectivity for the target system design requirements.

Part Context

This part belongs to the C8051F06x family of highly integrated mixed-signal microcontrollers. These devices are designed as standalone System-on-a-Chip solutions, combining advanced analog peripherals with a high-performance 8051 core. The family targets applications requiring significant on-chip integration to reduce external component count and board space.

Replacement Considerations

Consult the official datasheet for alternative part numbers within the same family that offer compatible pinouts and feature sets. Verify electrical characteristics and peripheral availability to ensure seamless integration into existing designs without hardware modifications.