C8051F370-A-GMR

Overview

The C8051F370-A-GMR is an 8-bit mixed-signal microcontroller featuring a high-speed pipelined 8051 core capable of up to 50 MIPS throughput at a 50 MHz clock frequency. It integrates 16 kB of in-system programmable Flash memory, 1 kB of internal data RAM, and 512 bytes of byte-programmable EEPROM with a million write/erase cycle endurance. The device includes a 10-bit ADC with programmable throughput up to 500 ksps, two 10-bit current output DACs, a precision temperature sensor accurate to ±2 °C, and a voltage comparator. It operates on a supply voltage range of 1.8 V to 3.6 V and supports digital interfaces including UART, two SMBus ports, and SPI.

Feature Summary

• High-speed 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 precision temperature sensor
• On-chip debug circuitry enabling full-speed non-intrusive in-system debugging without external emulators
• Low power operation with stop mode current consumption as low as 200 nA

Applications

• Industrial control systems requiring precise analog signal acquisition
• Battery-powered devices utilizing low-power stop modes
• Embedded applications needing in-system programming capabilities
• Temperature monitoring systems leveraging the integrated precision sensor

Procurement Notes

Verify the specific ordering suffix GMR corresponds to the tape and reel packaging configuration required for your assembly line. Confirm that the A-grade variant meets the specified operating temperature range of -40 °C to +85 °C for your intended environment. Ensure compatibility with existing design tools and verify end-of-life status if long-term production support is critical.

Selection Notes

Select this component when a complete mixed-signal solution is needed within a single package to reduce board space. The inclusion of both ADC and DACs alongside standard digital peripherals makes it suitable for complex signal processing tasks. Consider the 24-pin QFN package constraints regarding thermal dissipation and PCB layout requirements for optimal performance.

Part Context

This part belongs to the C8051F39x/37x family of mixed-signal microcontrollers from Silicon Labs. These devices are designed to offer a high degree of integration by combining a fast 8051 processor with extensive analog and digital peripheral sets. The family shares architectural similarities but varies in memory sizes and specific peripheral configurations across different model numbers.

Replacement Considerations

Direct substitutes include other members of the C8051F37x series such as the C8051F371, C8051F374, or C8051F375, which share the same pinout and core architecture. Verify memory capacity and peripheral availability matches your application requirements before swapping.