C165L25FHABFQMA1

Description：IC MCU 16BIT ROMLESS 100TQFP
Series：C16xx
Mfr：Infineon Technologies
Package：Tray
Core Processor：C166

SKU:389b5eb4fc09 Category: Microcontrollers Brand: Infineon Technologies

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Product introduction

Product Detailed Parameters

Description：IC MCU 16BIT ROMLESS 100TQFP
Series：C16xx
Mfr：Infineon Technologies
Package：Tray
Core Processor：C166
Core Size：16-Bit
Speed：25MHz
Connectivity：EBI/EMI, SPI, UART/USART
Peripherals：POR, PWM, WDT
Number of I/O：77
Program Memory Size：-
Program Memory Type：ROMless
EEPROM Size：-
RAM Size：2K x 8
Voltage - Supply (Vcc/Vdd)：4.5V ~ 5.5V
Data Converters：-
Oscillator Type：External
Operating Temperature：0°C ~ 70°C (TA)
Mounting Type：Surface Mount
Supplier Device Package：PG-TQFP-100
Package / Case：100-LQFP

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C165L25FHABFQMA1

Overview

The C165L25FHABFQMA1 is a 16-bit microcontroller from the Infineon C166 family, specifically the C16xx series. It features a ROMless program memory architecture with 2K x 8 bytes of RAM. The device operates at a maximum clock speed of 25MHz using an external oscillator and supports a supply voltage range of 4.5V to 5.5V. It provides 77 I/O lines and includes connectivity options such as EBI/EMI, SPI, and UART/USART. Integrated peripherals include POR, PWM, and WDT. The component is housed in a 100-pin PG-TQFP package and is rated for an operating temperature range of 0°C to 70°C.

Feature Summary

ROMless architecture allowing flexible code storage via external memory interfaces
Integrated power-on reset, pulse-width modulation, and watchdog timer for system stability
Supports external bus interface for expanded memory and peripheral connectivity

Applications

Automotive electronic control units requiring 16-bit processing
Industrial motor control systems utilizing PWM capabilities
Embedded applications needing robust serial communication interfaces

Procurement Notes

Verify part authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific suffix matches the required package and temperature grade. Check for obsolescence status as legacy C166 components may have limited availability. Ensure compatibility with existing board layouts regarding the 100-pin TQFP footprint and voltage requirements before procurement.

Selection Notes

Select this component when a 16-bit C166 core is required without internal program memory. Consider the 2KB RAM limit for application complexity. Verify that external memory interfaces are sufficient for data storage needs. Compare against newer XMC families if advanced integration or lower power consumption is prioritized over legacy compatibility.

Part Context

This microcontroller belongs to the Infineon C166 family, widely used in automotive and industrial sectors. The C16xx series represents a specific generation optimized for cost-effective 16-bit processing. The ROMless variant is designed for applications where code is stored externally, offering flexibility in memory configuration but requiring additional external components.