C8051F330

Overview

The C8051F330-GMR is an 8-bit microcontroller from Silicon Labs featuring a high-speed pipelined 8051 core operating at up to 25 MHz. It integrates 8 kB of ISP Flash memory and 768 bytes of internal data RAM. The device includes a 10-bit ADC with up to 200 ksps throughput, a 10-bit current output DAC, and a voltage comparator. It provides 17 I/O pins with 5 V tolerance and supports SMBus, UART, and SPI interfaces. Operating within a 2.7 V to 3.6 V supply range across the -40°C to +85°C temperature range, it utilizes a 20-pin QFN package.

Feature Summary

• Integrated on-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without external emulators.
• High-performance 8051 core architecture delivering up to 25 MIPS throughput via pipelined instruction execution.
• Comprehensive analog peripherals including a 10-bit ADC, 10-bit current output DAC, and programmable voltage comparator.

Applications

• Point-of-sale terminals
• Key card readers
• Magnetic stripe readers

Procurement Notes

Verify component authenticity by cross-referencing the manufacturer part number against official Silicon Labs documentation. Confirm that the specific suffix matches the requested package type and temperature rating. Ensure compliance with RoHS standards as indicated in the datasheet specifications before finalizing procurement orders.

Selection Notes

Select this component for applications requiring mixed-signal processing capabilities within a compact footprint. The integrated analog peripherals reduce the need for external components, simplifying PCB layout. Consider the 5 V tolerant I/O when interfacing with legacy logic levels or higher voltage sensors directly.

Part Context

This device belongs to the C8051F33x family of fully integrated mixed-signal system-on-chip microcontrollers. These devices combine a high-speed controller core with extensive on-chip memory and diverse peripheral sets, offering a complete solution for embedded control tasks without requiring external support chips.

Replacement Considerations

Consult the official product selection guide for compatible alternatives within the same family. Verify pin compatibility and peripheral availability when considering substitutes such as the C8051F331 or C8051F330D.

FAQ

Does the C8051F330 include an on-chip debug interface?

Yes, it features an on-chip debug circuit that allows for full-speed, non-intrusive in-system debugging using the C2 interface.

What is the maximum clock frequency of the CPU core?

The high-speed 8051 compatible core can operate at frequencies up to 25 MHz.