C8051F370-A-GM

Overview

The C8051F370-A-GM is an 8-bit mixed-signal microcontroller from Silicon Labs, featuring a high-speed pipelined 8051 core operating at up to 50 MHz with 50 MIPS throughput. It integrates 16 kB of in-system programmable Flash memory, 1 kB of internal data RAM, and 512 bytes of byte-programmable EEPROM. The device includes a 10-bit ADC with programmable throughput up to 500 ksps, two 10-bit current output DACs, and a precision temperature sensor accurate to ±2 °C. Communication interfaces include a UART, two SMBus ports, and an SPI port. It operates on a supply voltage of 1.8 V to 3.6 V and is available in a 24-pin QFN package.

Feature Summary

• High-performance 8051 core with pipelined architecture executing most instructions in one or two system clocks
• Integrated analog peripherals including a 10-bit ADC, dual 10-bit current DACs, and a calibrated precision temperature sensor
• On-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without external emulators
• Flexible clocking system with a 49 MHz precision internal oscillator supporting crystal-less UART operation

Applications

• Battery-powered embedded systems requiring low power consumption
• Industrial control applications utilizing the integrated analog sensors and communication interfaces
• Data acquisition systems leveraging the high-speed ADC and multiple timer modules

Procurement Notes

Verify the specific ordering suffix and package type against the manufacturer's latest documentation before procurement. Confirm that the component meets the required industrial temperature range specifications for your application environment. Ensure compatibility with existing design tools and development kits provided by Silicon Labs for programming and debugging purposes.

Selection Notes

Select this component when a fully integrated mixed-signal solution is required within a compact footprint. The inclusion of onboard EEPROM and precise analog peripherals reduces the need for external components. Consider the 24-pin QFN package constraints and verify that the pinout aligns with the target board layout requirements.

Part Context

This device belongs to the C8051F39x/37x family of mixed-signal microcontrollers. It shares architectural similarities with other members of the series but is distinguished by its specific memory configuration and analog peripheral set. The part is designed to offer a cost-effective alternative to more complex 32-bit solutions while maintaining high processing speeds and rich peripheral integration.

Replacement Considerations

Consult the official datasheet for hardware incompatibilities with the C8051F33x series. Verify pin-to-pin compatibility and register mapping differences if substituting with other devices in the C8051F37x or C8051F39x families.