C505CALMCAFXQMA1

Description：IC MCU 8BIT ROMLESS 44MQFP
Series：C5xx/C8xx
Mfr：Infineon Technologies
Package：Tray
Core Processor：C500

SKU:1bdeb0f178e7 Category: Microcontrollers Brand: Infineon Technologies

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Product introduction

Product Detailed Parameters

Description：IC MCU 8BIT ROMLESS 44MQFP
Series：C5xx/C8xx
Mfr：Infineon Technologies
Package：Tray
Core Processor：C500
Core Size：8-Bit
Speed：20MHz
Connectivity：CANbus, EBI/EMI, UART/USART
Peripherals：POR, PWM, WDT
Number of I/O：34
Program Memory Size：-
Program Memory Type：ROMless
EEPROM Size：-
RAM Size：1.25K x 8
Voltage - Supply (Vcc/Vdd)：4.25V ~ 5.5V
Data Converters：A/D 8x10b
Oscillator Type：External
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Supplier Device Package：PG-MQFP-44-2
Package / Case：44-QFP

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C505CALMCAFXQMA1

Overview

The C505CALMCAFXQMA1 is an 8-bit microcontroller from Infineon's C5xx/C8xx series, based on the C500 core. It operates at a maximum clock speed of 20 MHz and utilizes an external oscillator. The device features 1.25 KB of data RAM and lacks program memory (ROMless). It supports multiple communication interfaces including CAN bus, EBI/EMI, and UART/USART. The unit includes eight 10-bit analog-to-digital converters. Operating voltage ranges from 4.25 V to 5.5 V, with an extended temperature range of -40°C to 85°C. It is housed in a 44-pin MQFP package.

Feature Summary

Supports CAN bus, EBI/EMI, and UART/USART communication protocols
Integrates eight 10-bit analog-to-digital converters
Includes hardware peripherals such as PWM, WDT, and POR

Applications

Automotive electronic control units requiring CAN connectivity
Industrial systems utilizing external bus interfaces
Embedded applications needing serial communication via UART

Procurement Notes

Verify component authenticity through official Infineon channels or authorized distributors. Confirm package integrity and pin alignment for the 44-MQFP form factor. Ensure supply chain documentation matches the specific suffix QMA1. Validate RoHS compliance status prior to integration into regulated assemblies.

Selection Notes

Select this component when an 8-bit architecture with CAN support is required. Consider the ROMless design for custom firmware implementation. Evaluate the 4.25V to 5.5V operating range against system power rails. Assess the 20 MHz speed limit for real-time processing requirements.

Part Context

This part belongs to the C5xx/C8xx family, designed for automotive and industrial environments. It shares the C500 core architecture with other variants in the series. The device offers robust peripheral sets suitable for complex embedded tasks. It represents a specialized solution within Infineon's broader microcontroller portfolio.