C8051F964-B-GQ

Overview

The C8051F964-B-GQ is an 8-bit microcontroller from the Silicon Labs C8051F9xx series, featuring a high-performance 8051 core. It integrates 256 kB of in-system programmable Flash memory and 16 kB of RAM. The device includes a 12-bit ADC with up to 32 channels and a 12-bit DAC. Communication interfaces comprise multiple UARTs, SPI, I2C, and SMBus controllers. Operating at clock frequencies up to 75 MHz, it supports a supply voltage range of 2.7 V to 5.25 V within an industrial temperature range of -40°C to +85°C.

Feature Summary

• Integrates a high-speed 8051 core capable of executing instructions at up to 75 MIPS.
• Provides extensive analog capabilities including a 12-bit ADC with 32 multiplexed channels and a dedicated 12-bit DAC.
• Features comprehensive digital connectivity with multiple serial communication peripherals such as UART, SPI, and I2C.
• Supports in-system programming via standard debug interfaces without requiring external programmer hardware.

Applications

• Industrial control systems requiring precise analog signal acquisition
• Data acquisition modules for environmental monitoring
• Embedded sensor interfaces in consumer electronics
• Battery-powered devices utilizing low-power operating modes

Procurement Notes

Verify the specific suffix 'B' against the manufacturer's current datasheet to confirm pinout compatibility and feature set variations. Ensure the GQ package type matches your PCB footprint requirements. Check for RoHS compliance documentation relevant to your region. Confirm availability status as product lifecycles may change. Validate that the voltage and temperature ratings meet your system specifications before ordering.

Selection Notes

Select this component when a balance of high processing speed and rich analog peripheral integration is required. The C8051F964 is suitable for applications needing multiple analog inputs and digital communication links on a single chip. Consider the 256 kB Flash size for complex firmware requirements. Evaluate power consumption profiles if battery operation is critical. Compare pin counts and package options against board space constraints.

Part Context

This microcontroller belongs to the C8051F9xx family, which emphasizes mixed-signal performance. It shares architectural similarities with other C8051F parts but offers enhanced analog features and larger memory capacities. The series is designed for cost-sensitive embedded applications demanding high integration. Development tools like Simplicity Studio support configuration and debugging for this family.

FAQ

What is the maximum clock frequency of the C8051F964-B-GQ?

The internal oscillator and clock system support a maximum CPU clock frequency of 75 MHz.

Does the C8051F964 include an onboard USB interface?

No, the C8051F964 does not integrate a USB controller. It provides standard UART, SPI, and I2C interfaces for digital communication.