CY8C4247AZI-L445

Overview

The Infineon CY8C4247AZI-L445 is a PSoC 4200L microcontroller based on the ARM Cortex-M0 core, operating at a maximum frequency of 48 MHz. It features 128 kB of Flash memory and 16 kB of SRAM within a TQFP-64 package. The device includes one 12-bit SAR ADC with a sampling rate of 1 MSPS, two low-power comparators, and two opamps. Connectivity options include four Serial Communication Blocks (SCBs) supporting I2C, SPI, or UART, and a USB 2.0 Full-Speed Client Controller. It provides 53 GPIO pins and supports operation voltages from 1.71 V to 5.5 V across a temperature range of -40 °C to 85 °C.

Feature Summary

• Integrates programmable analog blocks including opamps and comparators that operate in Deep Sleep mode for low-power applications.
• Features a reconfigurable digital subsystem with Universal Digital Blocks (UDBs) allowing flexible logic implementation.
• Supports capacitive sensing via Sigma-Delta blocks with automatic hardware tuning capabilities.
• Includes a USB Full-Speed device interface with Battery Charger Detect functionality.

Applications

• Battery-powered portable devices requiring low power consumption
• Industrial control systems utilizing CAN or serial communication
• Consumer electronics with LCD segment drive requirements
• Human-machine interfaces incorporating capacitive touch sensors

Procurement Notes

Verify the specific ordering suffix L445 corresponds to the TQFP-64 package and commercial temperature grade (-40°C to 85°C). Confirm RoHS compliance status through official Infineon documentation prior to procurement. Ensure design compatibility with the PSoC Creator IDE for firmware development.

Selection Notes

Select this component when a balance of programmable analog flexibility and standard MCU peripherals is required. The 128 kB Flash size suits moderate application complexity. Verify that the 53 available GPIOs meet pin count requirements and that the USB client controller aligns with system connectivity needs.

Part Context

This part belongs to the PSoC 4200L family, designed for scalable embedded control. It shares architectural similarities with other PSoC 4 devices but offers specific memory and peripheral configurations tailored for cost-sensitive, low-power applications. The L-series designation indicates specific package and temperature characteristics distinct from other variants.

Replacement Considerations

Check for CY8C4247AZI-L445 equivalents within the PSoC 4200L series. Verify pin-to-pin compatibility if substituting with other TQFP-64 packages. Ensure memory sizes and peripheral counts match application requirements before replacing.

FAQ

Does the CY8C4247AZI-L445 support CAPSENSE technology?

No, the CY8C4247AZI-L445 variant does not include CAPSENSE™ blocks. Other parts in the PSoC 4200L family may offer this feature.

What is the maximum clock speed of the CPU?

The ARM Cortex-M0 CPU operates at a maximum frequency of 48 MHz.

Can the device operate in Deep Sleep mode?

Yes, the device supports Deep Sleep mode, allowing low-power operation while maintaining the ability to wake up via interrupts or timers.