FM3 CY9AFx1xK series Arm® Cortex®-M3 microcontroller (MCU)

Up to 40 MHz Arm® Cortex®-M3-based general-purpose MCUs, integrated flash, SRAM, and a wealth of built-in peripherals

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Overview

The CY9AFx1xK series consists of a maximum 40 MHz Arm® Cortex®-M3 MCU with 128 KB + 32 KB of flash and 16 KB of SRAM, and peripheral functions such as USB, various timers, ADCs, and communication interfaces (UART, CSIO, I2C, LIN).

Key Features

  • Arm® Cortex® M3 (40 MHz), 4x DMAC
  • 128 KB + 32 KB flash/16 KB SRAM
  • 8x 12-bit ADC
  • 8x Base timer (PWC/Reload/PWM/PPG)
  • 1x Dual timer, watch counter, RTC
  • 1x MFT: Multi-function timer
  • 4x MFS (UART/CSIO/LIN/I²C)
  • 1x USB 2.0 (Host/Device)
  • 1x QPRC (Quadrature counter)
  • 2.7 V - 5.5 V, six low-power modes
  • Up to 36 IOs - LQFP, QFN

Products

About

High-performance MCU subsystem

77 CoreMark®, 40MHz Arm® Cortex®​-M3 CPU

525 µA/MHz active current with 2.7 V to 5.5 V operating voltage

Low power 30 µA real-time clock (RTC) operating current

Up to 128 KB flash and 16 KB SRAM

Hardware Watchdog Timer (WDT), low-voltage detect, and clock supervisor blocks for safety-critical applications

Digital subsystem

1x Multi-Function Timers (MFT)

3x Programmable Pulse Generators (PPG)

8x Base Timers, 1x Quadrature Position/Revolution Counters (QPRC)

1x Dual Timer, Cyclical Redundancy Check (CRC), and Watch Counter

4x channels of Multi-Function Serial (MFS) interfaces configurable as SPI, UART, I²C, or LIN

1x USB

Analog subsystem

2x 12-bit, 1 Msps ADC with a 24-channel multiplexer input

Getting started
  1. Download the ​CY9AFx1xK-Series datasheet
  2. Download the FM3 Peripheral Driver Library Software
  3. Start your first FM3 designs
  4.  Join the Infineon Developer Community​

High-performance MCU subsystem

77 CoreMark®, 40MHz Arm® Cortex®​-M3 CPU

525 µA/MHz active current with 2.7 V to 5.5 V operating voltage

Low power 30 µA real-time clock (RTC) operating current

Up to 128 KB flash and 16 KB SRAM

Hardware Watchdog Timer (WDT), low-voltage detect, and clock supervisor blocks for safety-critical applications

Digital subsystem

1x Multi-Function Timers (MFT)

3x Programmable Pulse Generators (PPG)

8x Base Timers, 1x Quadrature Position/Revolution Counters (QPRC)

1x Dual Timer, Cyclical Redundancy Check (CRC), and Watch Counter

4x channels of Multi-Function Serial (MFS) interfaces configurable as SPI, UART, I²C, or LIN

1x USB

Analog subsystem

2x 12-bit, 1 Msps ADC with a 24-channel multiplexer input

Getting started
  1. Download the ​CY9AFx1xK-Series datasheet
  2. Download the FM3 Peripheral Driver Library Software
  3. Start your first FM3 designs
  4.  Join the Infineon Developer Community​

Documents

Documents

Design resources

Developer community

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