C8051F560-IMR

Overview

The C8051F560-IMR is an automotive-grade mixed-signal ISP Flash MCU from the C8051F56x family, manufactured by Silicon Labs. It features a high-speed 8051 core operating at up to 50 MIPS with a 50 MHz clock. The device integrates 32 kB of in-system programmable Flash memory and 2304 bytes of internal data RAM. Key analog peripherals include a 12-bit ADC supporting up to 200 ksps sampling rate and two comparators. Digital interfaces encompass CAN 2.0, LIN 2.1, UART, SMBus, and SPI controllers. It operates within a supply voltage range of 1.8 V to 5.25 V and supports a temperature range of –40 °C to +125 °C.

Feature Summary

• Automotive qualified compliance with AEC-Q100 standards for robust industrial and vehicle applications
• Integrated CAN 2.0 and LIN 2.1 controllers enabling direct network connectivity without external transceivers or crystals
• High-performance pipelined CIP-51 architecture executing 70% of instructions in one or two system clocks
• On-chip debug circuitry facilitating full-speed, non-intrusive in-system debugging without additional emulation hardware

Applications

• Automotive body control modules and sensor nodes
• Industrial communication gateways utilizing CAN and LIN protocols
• Embedded systems requiring mixed-signal processing with integrated analog-to-digital conversion
• In-circuit programmable firmware upgrade scenarios in constrained environments

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm package integrity upon receipt, as the QFN-32 form factor requires careful handling during inspection. Ensure design compatibility with the specified 1.8 V to 5.25 V supply range and –40 °C to +125 °C operating temperature limits before integration into final assemblies.

Selection Notes

Select this component when automotive qualification and mixed-signal integration are required within a compact footprint. The C8051F560-IMR provides sufficient Flash capacity for complex firmware while offering dedicated hardware support for automotive bus standards. Consider pinout constraints and I/O voltage tolerance requirements relative to the target system interface specifications.

Part Context

This microcontroller belongs to the C8051F55x/56x/57x family of mixed-signal ISPs Flash MCUs. These devices share architectural similarities but differ in memory sizes and peripheral counts. The C8051F56x series specifically targets automotive and industrial sectors, emphasizing reliability and on-chip integration to reduce external component count and board space requirements.

Replacement Considerations

The datasheet explicitly marks the C8051F55x/56x/57x family as Not Recommended for New Designs. Engineers should evaluate newer Silicon Labs alternatives for future projects. Existing designs may continue using this part, but supply chain stability should be monitored closely.