FM3 CY9BFx2xJ-Series Arm® Cortex®-M3 Microcontroller (MCU) Family

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Arm® Cortex®-M3 based general purpose MCU, with low power modes, integrated Flash memory, SRAM, and rich peripheral functions.

The FM3 family of 32-bit general-purpose MCUs is based on the Arm® Cortex®​-M3 CPU, which provides a scalable platform for many consumer and industrial applications. Popular applications range from motor control, factory automation, white goods and power tools to medical devices, major home appliances, digital consumer devices and office automation equipment. As a part of the Infineon FM3 family of Arm® Cortex®​-M3 based microcontrollers, the CY9BFx2xJ-Series is a general purpose family with low power modes, integrated flash memory, SRAM and rich peripheral functions like timers, ADCs, DACs and communication interfaces.

  • 138 CoreMark®, 72-MHz Arm® Cortex®​-M3 CPU
  • 250-µA/MHz active current with 2.7-V to 5.5-V operating voltage
  • Low power 13-µA real-time clock (RTC) operating current
  • Up to 64 KB flash and 8 KB SRAM
  • Hardware Watchdog Timer (WDT), low-voltage detect, and clock supervisor blocks for safety-critical applications

  • 1x Multi-Function Timers (MFT)
  • 3x Programmable Pulse Generators (PPG)
  • 8x Base Timers, 1x Quadrature Position/Revolution Counters (QPRC)
  • 1x Dual Timer
  • 4x channels of Multi-Function Serial (MFS) interfaces configurable as SPI, UART, I2C, or LIN

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

  1. Download the CY9BFx2xJ-Series datasheet
  2. Download the FM3 Peripheral Driver Library Software
  3. Start your first FM3 designs
  4. Join the Infineon Developer Community
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