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The C8051F582-AQR is an 8-bit microcontroller from the Silicon Labs C8051F58x series, featuring a CIP-51 core operating at up to 50MHz. It integrates 128KB of Flash memory and 8.25KB of RAM within a 32-LQFP package. The device supports a supply voltage range of 1.8V to 5.25V and includes extensive analog peripherals such as 25 channels of 12-bit ADCs. Connectivity options include CANbus, LINbus, SMBus, SPI, and UART interfaces.
Verify component authenticity through authorized distributors or direct manufacturer channels due to potential counterfeiting risks. Confirm specific suffix designations match exact package and temperature grade requirements. Check for end-of-life notices or obsolescence warnings prior to finalizing procurement plans. Ensure compliance with RoHS and REACH regulations relevant to your target market. Validate that the selected variant aligns with your board layout and thermal management specifications.
Evaluate the trade-off between the 50MHz maximum clock speed and power consumption for battery-operated applications. Consider the 32-pin LQFP footprint constraints against available PCB real estate. Assess whether the integrated analog peripherals meet resolution and channel count needs without external components. Verify compatibility with existing development tools and debug interfaces like C2. Compare against newer generations if long-term supply stability is critical for the product lifecycle.
This component belongs to the Silicon Labs C8051F58x family of fully integrated mixed-signal System-on-Chip microcontrollers. These devices are designed to replace discrete logic and separate MCU/analog solutions, reducing bill-of-materials complexity. The series emphasizes high integration, combining processing, memory, and analog functions on a single die for cost-effective embedded designs.
Public confirmed substitute part numbers: EFM8BB31F64I-D-QFN32R.