C8051F396-A-GMR

Overview

The C8051F396-A-GMR is an 8-bit mixed-signal microcontroller from Silicon Labs, featuring a pipelined CIP-51 core with up to 50 MIPS throughput at a 50 MHz clock. It integrates 16 kB of in-system programmable Flash memory and 1 kB of internal data RAM (256 bytes plus 768 bytes XRAM). The device includes a 10-bit ADC with up to 500 ksps throughput, two 10-bit current output DACs, and an analog comparator. It operates on a supply voltage of 1.8 V to 3.6 V and is housed in a 20-pin QFN package.

Feature Summary

• Pipelined 8051 architecture delivering high-speed processing with 70% of instructions executing in one or two system clocks.
• Integrated mixed-signal peripherals including a 10-bit ADC, dual 10-bit current mode DACs, and a precision temperature sensor.
• On-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without external emulators.
• Flexible clocking system with a calibrated 49 MHz internal oscillator and support for on-the-fly source switching.

Applications

• Battery-powered systems requiring low-power stop modes
• Industrial control applications utilizing multiple serial interfaces
• Data acquisition systems leveraging the integrated ADC and DACs

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix matches project requirements. Check for end-of-life status as indicated in official documentation. Ensure compliance with RoHS standards and verify moisture sensitivity levels before assembly. Validate that the package type aligns with PCB footprint specifications.

Selection Notes

Select this MCU for designs needing high integration in a small form factor. Consider the 20-pin QFN package for space-constrained layouts. Evaluate the 1.8 V to 3.6 V operating range against power supply constraints. Review peripheral availability such as UART, SPI, and SMBus counts. Assess thermal performance within the specified temperature range.

Part Context

This part belongs to the C8051F39x family, which offers enhanced performance over previous generations like the C8051F33x. It maintains code and footprint compatibility while providing increased speed and additional features. The family supports in-circuit reprogramming of Flash memory for field upgrades.

Replacement Considerations

Check for direct pin-to-pin replacements within the same family. Verify software compatibility if migrating between variants. Confirm peripheral feature parity for critical application functions.

FAQ

Does the C8051F396-A-GMR include EEPROM?

No, the C8051F396 does not include EEPROM; this feature is available only in the C8051F37x sub-family.

What is the maximum clock frequency supported by this MCU?

The device supports a maximum clock frequency of 50 MHz, achieving up to 50 MIPS throughput.