C8051F534-C-ITR

Overview

The C8051F534-C-ITR is an automotive and industrial qualified microcontroller from the C8051F52x/F53x family. It features a high-speed 8051 core operating at up to 25 MIPS with a 25 MHz system clock. The device integrates 4 kB of ISP Flash memory, 256 bytes of internal data RAM, and a 12-bit ADC with programmable throughput up to 200 ksps. It includes a built-in temperature sensor, comparators, and a 24.5 MHz internal oscillator. Digital peripherals include hardware SPI, UART, and LIN 2.1 controllers. The component operates within a supply voltage range of 2.0 V to 5.25 V and supports a wide operating temperature range of -40°C to +125°C.

Feature Summary

• Automotive qualified design compliant with AEC-Q100 standards for robust operation in demanding environments.
• Integrated full-function analog subsystem featuring a 12-bit ADC with windowed interrupt generation and a built-in temperature sensor.
• High-performance CIP-51 core architecture delivering improved instruction throughput compared to standard 8051 implementations.
• Comprehensive digital communication capabilities including dedicated hardware support for LIN 2.1, SPI, and UART protocols.

Applications

• Automotive body control modules and sensor interfaces
• Industrial process monitoring and control systems
• LIN bus network nodes in vehicle communications
• Portable instrumentation requiring low power and high precision

Procurement Notes

Verify the specific suffix '-C-ITR' against the manufacturer's current product selection guide to confirm package type and tape-and-reel configuration. Check the datasheet revision history for any recent errata or pinout updates that may affect board layout compatibility. Confirm end-of-life status as this family is marked not recommended for new designs.

Selection Notes

Select this component when automotive qualification and LIN 2.1 support are required alongside moderate processing speed. Evaluate the 4 kB Flash capacity against application firmware size requirements. Consider the 256-byte RAM limit for complex data structures. Ensure the 2.0 V minimum supply voltage aligns with the system power rails.

Part Context

This part belongs to the C8051F52x/F53x series of mixed-signal System-on-Chip microcontrollers. These devices are designed to replace discrete logic solutions by integrating analog and digital peripherals on a single die. The series emphasizes ease of development through non-intrusive on-chip debug circuitry and flexible I/O crossbar routing.

Replacement Considerations

Public confirmed substitute part numbers: None identified in verified documentation.