C8051T612-GQ

Overview

The C8051T612-GQ is a mixed-signal microcontroller from Silicon Labs, featuring an 8-bit CIP-51 core with up to 25 MIPS throughput at a 25 MHz clock frequency. It integrates 16 kB of byte-programmable EPROM and 1280 bytes of internal data RAM. The device includes a 10-bit ADC supporting up to 500 ksps conversion rates and up to 21 external inputs. Operating voltage ranges from 1.8 V to 3.6 V, with an operating temperature range of –40 °C to +85 °C. It is housed in a 32-pin LQFP package.

Feature Summary

• Integrates a high-speed 8051-compatible core with pipelined architecture for efficient instruction execution.
• Includes on-chip debug circuitry facilitating non-intrusive in-system debugging and code development.
• Features programmable precision internal oscillator supporting crystal-less UART operation.
• Provides flexible port I/O configuration via priority crossbar decoder for dynamic pin assignment.

Applications

• Embedded systems requiring on-chip debug capabilities
• Battery-powered applications utilizing low-voltage operation
• Industrial control systems needing mixed-signal processing

Procurement Notes

Verify the component status as this series is marked Not Recommended for New Designs. Confirm package type matches the 32-pin LQFP specification. Ensure design reviews account for end-of-life implications if applicable. Cross-reference ordering information in the official datasheet for exact suffix definitions.

Selection Notes

Select this model when byte-programmable EPROM is required for field updates or prototyping. Consider the 10-bit ADC resolution and speed for analog signal acquisition needs. Evaluate the 1.8 V to 3.6 V supply range against system power constraints. Check pin count requirements against the 32-pin LQFP footprint availability.

Part Context

This part belongs to the C8051T61x family of mixed-signal microcontrollers. The T-series typically denotes EPROM-based devices within the Silicon Labs portfolio. These chips are designed for cost-sensitive applications where reprogrammability is essential during development or deployment phases.

Replacement Considerations

Consult the official datasheet for recommended alternatives due to the Not Recommended for New Designs status. Verify functional compatibility regarding memory type and peripheral sets before substitution.

FAQ

What is the maximum ADC sampling rate for the C8051T612?

The integrated 10-bit ADC supports a maximum sampling rate of 500 ksps.

Does the C8051T612 support crystal-less UART operation?

Yes, the internal oscillator provides sufficient accuracy to support crystal-less UART operation.