FM3 CY9AFx1xL/M/N 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 CY9AFx1xL/M/N series consists of a maximum of 40 MHz Arm® Cortex®-M3 MCU with 512 KB of flash and 32 KB of SRAM, and peripheral functions such as USB, external bus I/F, various timers, ADCs, and communication interfaces (UART, CSIO, I2C, and LIN).

Key Features

  • Arm® Cortex® M3 (40 MHz), 8x DMAC
  • 512 KB flash/32 KB SRAM
  • 16x 12-bit ADC
  • 8x Base timer (PWC/Reload/PWM/PPG)
  • 1x Dual timer, watch counter
  • 2x MFT: Multi-function timer
  • 8x MFS (UART/CSIO/LIN/I²C)
  • 1x USB 2.0 (Host/Device)
  • 2x QPRC (Quadrature Counter)
  • 1x external bus I/F
  • 2.7 V-5.5 V, three low-power modes
  • Up to 83 IOs - LQFP, QFN, BGA

Products

About

High-performance MCU subsystem

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

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

Low power 60 µA timer (Sub timer) operating current

Up to 512 KB flash and 32 KB SRAM

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

Digital subsystem

2x Multi-function timers (MFT)

6x Programmable pulse generators (PPG)

8x Base timers, 2x Quadrature Position/Revolution Counters (QPRC)

1x Dual timer, cyclical redundancy check (CRC), and watch counter

8x channels of multi-function serial (MFS) interfaces configurable as SPI, UART, I²C, or LIN

1x USB and external bus interface

Analog subsystem

3x 12-bit, 2 Msps ADC with a 24-channel multiplexer input

Getting started
  1. Download the ​CY9AFx1xL/M/N 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, 40 MHz Arm® Cortex®​-M3 CPU

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

Low power 60 µA timer (Sub timer) operating current

Up to 512 KB flash and 32 KB SRAM

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

Digital subsystem

2x Multi-function timers (MFT)

6x Programmable pulse generators (PPG)

8x Base timers, 2x Quadrature Position/Revolution Counters (QPRC)

1x Dual timer, cyclical redundancy check (CRC), and watch counter

8x channels of multi-function serial (MFS) interfaces configurable as SPI, UART, I²C, or LIN

1x USB and external bus interface

Analog subsystem

3x 12-bit, 2 Msps ADC with a 24-channel multiplexer input

Getting started
  1. Download the ​CY9AFx1xL/M/N 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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