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Infineon Technologies

CY8C4127LDES443TXUMA1

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Infineon CY8C4127LDES443TXUMA1 - Automotive-Grade PSoC 4 Microcontroller

The CY8C4127LDES443TXUMA1 from Infineon Technologies is a high-performance, automotive-qualified microcontroller built on the PSoC™ 4 platform. Featuring an ARM® Cortex®-M0+ 32-bit core running at 24MHz, this MCU delivers exceptional processing power and energy efficiency for mission-critical automotive applications.

Designed to meet stringent AEC-Q100 automotive standards, this microcontroller operates reliably across extreme temperature ranges (-40°C to 125°C) and offers comprehensive connectivity options including I2C, SPI, UART/USART, LINbus, and more. With 128KB Flash memory, 16KB RAM, and advanced peripherals including DMA, LCD controller, PWM, and temperature sensor, the CY8C4127LDES443TXUMA1 provides a complete solution for automotive control systems, sensor interfaces, and human-machine interfaces.

Key features include 40 I/O pins, integrated analog-to-digital converters (16x10/16x12-bit SAR), digital-to-analog converters, and a wide operating voltage range (1.71V to 5.5V), making it ideal for body electronics, dashboard controls, HVAC systems, and advanced driver assistance systems (ADAS).

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Product attributes Property Value
Manufacturer Infineon Technologies
Product Series PSoC™ 4
Packaging Tape & Reel (TR) |
Core Processor ARM® Cortex®-M0+
Core Size 32-Bit
Speed 24MHz
Connectivity I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
Peripherals Brown-out Detect/Reset, DMA, LCD, POR, PWM, Temp Sensor, TRNG, WDT
Number of I/O 40
Program Memory Size 128KB (128K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 16K x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 5.5V
Data Converters A/D 16x10/16x12b SAR; D/A 2x7b
Oscillator Type External, Internal
Operating Temperature -40°C ~ 125°C (TA)
Memory Type Surface Mount, Wettable Flank
Grade Automotive
Qualification AEC-Q100
Package / Case 48-QFN (7x7)
Supplier Device Package 48-VFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

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