C8051F564-IQR

Overview

The C8051F564-IQR is an 8-bit mixed-signal microcontroller from the C8051F56x family, featuring a high-speed CIP-51 core operating at up to 50 MHz. It integrates 32 kB of in-system programmable Flash memory and 2304 bytes of internal data RAM. The device includes a 12-bit ADC with up to 200 ksps throughput and 32 external single-ended inputs. Digital peripherals include CAN 2.0, LIN 2.1, UART, SMBus, SPI, four 16-bit timers, and a PCA with PWM functionality. It operates on a supply voltage of 1.8 V to 5.25 V and supports -40°C to +125°C automotive temperature range.

Feature Summary

• Integrates a high-speed pipelined CIP-51 core capable of executing 70% of instructions in one or two system clocks for up to 50 MIPS throughput.
• Features a 12-bit analog-to-digital converter (ADC) with selectable gain, programmable window detector, and built-in temperature sensor.
• Includes hardware-enhanced communication interfaces such as CAN 2.0 and LIN 2.1 controllers that do not require an external crystal.
• Provides full-speed, non-intrusive in-system debug capabilities via on-chip debug circuitry without requiring external emulation hardware.

Applications

• Automotive embedded systems requiring AEC-Q100 qualification
• Industrial control applications utilizing CAN and LIN bus protocols
• Mixed-signal data acquisition systems with integrated ADC and comparators

Procurement Notes

Verify component authenticity through authorized Silicon Labs distributors or certified partners. Confirm the specific revision level matches project requirements, as datasheet Rev 1.4 indicates this family is Not Recommended for New Designs. Ensure environmental compliance documentation aligns with target market regulations before finalizing procurement orders.

Selection Notes

Select this model when 32 kB of Flash memory and 25 port I/O pins are required within a 32-pin package. Consider the C8051F56x series for designs needing integrated CAN and LIN controllers without external crystals. Evaluate power consumption specifications against application needs, noting typical stop mode current of 1 μA. Verify pinout compatibility if replacing legacy components.

Part Context

This component belongs to the C8051F55x/56x/57x Mixed Signal ISP Flash MCU Family by Silicon Laboratories. These devices are highly integrated mixed-signal system-on-chip solutions based on the 8051 architecture. The family offers various memory configurations and package options to suit different complexity levels in embedded control applications.

Replacement Considerations

Public confirmed substitute part numbers: None identified in verified source material.