Infineon Technologies CY9AF1A2MPMC1-G-UNE2

Overview

CY9AF1A2MPMC1-G-UNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller with 128 KB on-chip Flash, 16 KB SRAM, 20 MHz max operating frequency, 12-bit ADC (16 channels, 1.0 μs conversion), and 10-bit DAC (2 channels). It integrates motor control timers, UART/CSIO/I²C interfaces, RTC, HDMI-CEC receiver/transmitter, and six low-power modes - deployed in industrial motor drives and embedded control systems.

For engineers reviewing the CY9AF1A2MPMC1-G-UNE2 datasheet, CY9AF1A2MPMC1-G-UNE2 pinout, CY9AF1A2MPMC1-G-UNE2 application, or CY9AF1A2MPMC1-G-UNE2 equivalent, key selection criteria include its 1.8–5.5 V supply range, 5 V-tolerant I/O capability, dual watchdog timers (hardware + software), and FM3 family peripheral compatibility for legacy migration and cost-sensitive industrial designs.

Technical Context

The CY9AF1A2MPMC1-G-UNE2 implements an Arm Cortex-M3 r2p1 core with NVIC supporting 32 peripheral interrupts and 8 priority levels, plus a 24-bit SysTick timer for RTOS scheduling. Its clock system combines five sources - including 4–20 MHz main oscillator, 32.768 kHz sub-clock, and dual CR oscillators - supervised by Clock Supervisor (CSV) for fail-safe external clock monitoring.

Peripheral integration includes eight base timers (configurable as PWM/PPG/reload/PWC), three 16-bit free-run timers, four input capture channels, six output compare channels, and dedicated A/D activation compare logic - enabling precise motor phase timing, dead-time insertion, and DC chopper waveform generation without CPU intervention.

Key Specifications

Pinout & Package

This device is housed in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are fully relocatable via port mapping registers, supporting flexible PCB layout and peripheral reuse across board revisions.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with MB9BF122RPMC1-G-SNE2 and STM32F103C8T6, the CY9AF1A2MPMC1-G-UNE2 delivers optimal balance of integration, low-power capability, and motor-control-specific peripherals within a 128 KB Flash constraint - making it ideal for cost-sensitive, volume industrial controllers where feature completeness matters more than raw clock speed.

Availability

CY9AF1A2MPMC1-G-UNE2 is available at Aetrix Electronics and suitable for industrial motor drives, smart HVAC controllers, PLC I/O modules, and remote industrial monitors requiring stable component supply and long-term lifecycle support.

Supply support for CY9AF1A2MPMC1-G-UNE2 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Infineon Technologies is a global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive ICs, and embedded controllers.

This part belongs to the FM3 microcontroller product line, designed specifically for cost-optimized, low-power industrial automation and motor control applications with integrated analog and timing peripherals.

FAQ

What is the maximum operating frequency and core revision of CY9AF1A2MPMC1-G-UNE2?

The CY9AF1A2MPMC1-G-UNE2 operates at up to 20 MHz and uses the Arm Cortex-M3 processor revision r2p1. This revision includes hardware division support, Thumb-2 instruction set, and a 3-stage pipeline optimized for deterministic interrupt latency - critical for real-time motor control tasks where jitter must remain below 100 ns.

Does this MCU support 5 V-tolerant I/O, and which pins are compatible?

Yes, selected GPIO pins are 5 V tolerant - specifically those designated as "5V-T" in the "List of Pin Functions and I/O Circuit Type" section of the datasheet (e.g., PA0–PA7, PB0–PB7 in standard configuration). This allows direct connection to 5 V sensors and industrial logic without external level shifters, reducing BOM cost and board space in mixed-voltage systems.

How does the HDMI-CEC functionality operate in both receiver and transmitter modes?

The integrated HDMI-CEC block supports SIRCS, NEC, and HDMI-CEC protocols in receiver mode with adjustable start/data bit timing and noise filtering. In transmitter mode, it auto-generates CEC headers, START/EOM/ACK signals, and reports arbitration loss - enabling seamless remote control interoperability in industrial HMIs without external protocol ICs or firmware overhead.

What low-power modes are supported, and what is the minimum current consumption in Deep Standby RTC mode?

The MCU supports six low-power modes: Sleep, Timer, RTC, Stop, Deep Standby RTC, and Deep Standby Stop. In Deep Standby RTC mode with VBAT supplied, typical current consumption is less than 1 μA while retaining RTC operation and 16 bytes of backup register - verified per datasheet Section 12.9.2, enabling decade-scale battery life in maintenance-free remote monitoring applications.