C8051F963-A-GM

Overview

The C8051F963-A-GM is an 8-bit microcontroller from the Silicon Labs C8051F96x family, featuring a CIP-51 core with up to 128 kB Flash and 8 kB RAM. It integrates a 12-bit ADC supporting up to 75 ksps, two comparators, and an LCD controller for displays up to 128 segments. The device includes hardware AES, DMA, CRC, and a Data Packet Processing Engine. Power management features include a DC-DC buck converter and sleep currents as low as 110 nA. It operates within a temperature range of –40 to +85 °C.

Feature Summary

• Ultra-low power consumption with sleep modes down to 110 nA and rapid wakeup capabilities
• Integrated LCD controller supporting up to 128 segments with charge pump for contrast control
• Hardware acceleration for security and data processing via AES, DMA, and CRC engines
• Metering-specific peripherals including a pulse accumulator and DC-DC buck converter

Applications

• Smart metering systems requiring low current consumption
• Battery-powered devices utilizing LCD displays
• Wireless protocol implementations using hardware encryption
• Industrial control applications needing high-speed analog conversion

Procurement Notes

Verify the specific suffix 'A' against the manufacturer's latest documentation to confirm package type and temperature grade. Ensure compatibility with existing PCB layouts regarding the QFN footprint. Confirm that the required Flash size and peripheral configuration match the exact sub-model within the F96x family before finalizing orders.

Selection Notes

Select this component when system requirements demand integrated LCD driving and hardware cryptographic acceleration alongside ultra-low power operation. The inclusion of a DC-DC buck converter makes it suitable for voltage scaling applications. Evaluate the 12-bit ADC resolution and burst mode capabilities against sensor interface needs to ensure adequate signal processing performance.

Part Context

This part belongs to the C8051F96x series, designed for metering and battery-operated applications. It shares the CIP-51 architecture with other members but offers specific memory sizes and peripheral combinations. The family emphasizes energy efficiency through advanced power management units and low-leakage design techniques.

Replacement Considerations

Check for direct pin-compatible upgrades within the C8051F96x family. Verify if alternative packages such as DQFN or TQFP are available for different form factors. Ensure any substitute maintains the same Flash capacity and peripheral set to avoid firmware modifications.