CY8C4247BZI-L479T

Overview

The CY8C4247BZI-L479T is a PSoC™ 4200L microcontroller based on the Arm® Cortex®-M0 CPU. It features up to 128 kB of Flash memory, 16 kB of SRAM, and a 48 MHz operating frequency. The device includes one 12-bit SAR ADC, two low-power comparators, and supports CAPSENSE™ technology. It offers up to 98 programmable GPIOs in a VFBGA-124 package. Communication interfaces include USB Full-Speed, I²C, SPI, UART, and CAN.

Feature Summary

• Integrates programmable analog blocks including opamps and comparators that operate in Deep Sleep mode for low power consumption.
• Supports capacitive sensing with automatic hardware tuning via Infineon Capacitive Sigma-Delta (CSD) blocks.
• Provides flexible digital logic through Universal Digital Blocks (UDBs) and standard serial communication peripherals.
• Enables secure embedded control with robust flash protection and configurable debug interface disabling.

Applications

• Battery-powered consumer electronics requiring low standby current
• Industrial control systems utilizing CAN bus connectivity
• Human-machine interfaces incorporating capacitive touch controls
• Smart sensors with mixed-signal processing requirements

Procurement Notes

Verify the specific ordering suffix L479T against the manufacturer's official datasheet to confirm package type and temperature range. Ensure compatibility with the required development tools such as PSoC Creator or industry-standard ARM IDEs. Confirm RoHS compliance status for your region before finalizing procurement orders.

Selection Notes

Select this component when design requirements include integrated capacitive sensing alongside standard serial communication protocols like CAN and USB. The 124-ball VFBGA package suits applications needing high pin counts in compact footprints. Consider the 1.71 V to 5.5 V operating range for versatile power supply designs.

Part Context

This part belongs to the PSoC™ 4200L family, which combines an Arm Cortex-M0 processor with programmable analog and digital blocks. The family targets low-power embedded applications requiring flexibility in system integration. It shares architectural similarities with other PSoC 4 series devices but offers specific memory and peripheral configurations.

Replacement Considerations

Check the PSoC 4200L family selector guide for alternative pin-compatible parts with different memory sizes. Verify if higher-performance cores like Cortex-M3 or M4 are needed for increased processing loads. Ensure any substitute maintains the same package dimensions and thermal characteristics.

FAQ

Does the CY8C4247BZI-L479T support CAPSENSE technology?

Yes, the device includes Infineon Capacitive Sigma-Delta (CSD) blocks that provide best-in-class signal-to-noise ratio and water tolerance for capacitive sensing applications.

What is the maximum operating frequency 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 programmable analog blocks, including opamps and comparators, can operate in Deep Sleep mode at very low current levels.