FM3 CY9Ax20L-Series Low Power Arm® Cortex®-M3 Microcontroller (MCU) Family

The Cypress 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. The CY9Ax20L-Series is a general purpose family delivering up to 40MHz CPU speed, 64KB flash memory, 4KB SRAM, and a rich set of peripherals like timers, ADCs, DACs and communication interfaces.

CY9Ax20L-Series Features

High Performance MCU Subsystem

• 77 CoreMark^®, 40MHz Arm® Cortex® -M3 CPU
• 225-µA/MHz active current with 2.7V to 5.5V operating voltage
• Low power 10-µA real-time clock (RTC) operating current
• Up to 64KB flash and 4KB SRAM
• Hardware Watchdog Timer (WDT), low-voltage detect, and clock supervisor blocks for safety-critical applications

デジタルサブシステム

• 1x Multi-Function Timers (MFT)
• 3x Programmable Pulse Generators (PPG)
• 8x Base Timers, 2x Quadrature Position/Revolution Counters (QPRC)
• 4x channels of Multi-Function Serial (MFS) interfaces configurable as SPI, UART, I2C, or LIN
• 1x CAN

Analog Subsystem

• 1x 12-bit, 2Msps ADC with a 24-channel multiplexer input
• 1x 10-bit digital-to-analog converters (DACs)

CY9B420M Block Diagram

1. ウォッチドッグタイマ
2. Controller Area Network
3. Memory Protection Unit

Function Differences between each Basic Line by part