C8051F300P

Overview

The C8051F300P is a mixed-signal ISP Flash microcontroller featuring a high-speed 8051 core with up to 25 MIPS throughput at a 25 MHz clock. It integrates 8 kB of in-system programmable Flash memory and 256 bytes of internal data RAM. The device includes an 8-bit ADC supporting up to 500 ksps, a low-current comparator, three 16-bit timers, and a Programmable Counter Array. It operates on a supply voltage of 2.7 to 3.6 V and is available in 11-pin QFN or 14-pin SOIC packages.

Feature Summary

• Integrated on-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without external emulators.
• High-speed pipelined 8051 core executing 70% of instructions in one or two system clocks for improved throughput.
• On-chip analog peripherals including an 8-bit ADC with programmable amplifier gains and a low-current comparator.
• Hardware-enhanced serial ports supporting UART and SMBus communication protocols.

Applications

• In-system programming and field upgrades of embedded firmware
• Data acquisition systems utilizing the onboard ADC and temperature sensor
• Industrial control applications requiring hardware-enhanced serial communication
• Low-power embedded designs leveraging stop mode current characteristics

Procurement Notes

Verify component authenticity through authorized Silicon Labs distributors or certified partners. Confirm package type matches design requirements, as the device is offered in both 11-pin QFN and 14-pin SOIC configurations. Review the latest datasheet revision for any updates to electrical characteristics or pin definitions prior to finalizing procurement specifications.

Selection Notes

Select this component for designs requiring a fully 8051-compatible core with mixed-signal capabilities. Ensure the application voltage range aligns with the specified 2.7 to 3.6 V operating window. Consider the 11-pin QFN or 14-pin SOIC package options based on board space constraints and thermal management needs. Verify that the 8 kB Flash capacity meets program storage requirements.

Part Context

The C8051F300P belongs to the C8051F30x family of mixed-signal microcontrollers from Silicon Labs. This series is characterized by its System-on-Chip architecture, combining a fast 8051 CPU with extensive digital and analog peripherals. The family supports in-system programming, allowing for flexible firmware updates and reduced development time for embedded applications.

Replacement Considerations

The C8051F301, C8051F302, C8051F303, C8051F304, and C8051F305 are part of the same family. These variants share code compatibility but differ in Flash size and peripheral configurations. Verify specific memory and I/O requirements when considering these alternatives.

FAQ

Does the C8051F300P require an external emulator for debugging?

No, the device features on-chip debug circuitry that facilitates full-speed, non-intrusive in-system debugging without the need for an external emulator.

What is the maximum throughput of the C8051F300P core?

The high-speed 8051 core provides up to 25 MIPS throughput when operating with a 25 MHz clock.

Is the C8051F300P suitable for new designs?

The datasheet explicitly states that the C8051F300/1/2/3/4/5 family is not recommended for new designs.