The Cypress (formerly Broadcom) BCM20738A2KML3GT is a Bluetooth Low Energy (BLE) system-on-chip (SoC) solution. It is designed for applications requiring ultra-low power consumption and high performance. This highly integrated chip combines a BLE radio, baseband, and microcontroller, offering a complete solution for wireless connectivity.

Applications:

• Wearable Devices (Fitness Trackers, Smartwatches)
• Bluetooth Low Energy Beacons
• Wireless Sensors
• Medical Devices
• Home Automation

Features:

• Bluetooth Low Energy (BLE) 4.1 Compliant: Supports BLE standard for ultra-low power wireless communication.
• Integrated Transceiver: Includes a fully integrated BLE transceiver for efficient RF signal transmission and reception.
• 32-bit ARM Cortex-M3 Microcontroller: Features a powerful ARM Cortex-M3 core for application processing.
• Low Power Consumption: Designed for ultra-low power operation, maximizing battery life in portable devices.
• Integrated Flash Memory: Includes embedded flash memory for storing application code and data.
• Compact Package: Offered in a small form factor package, suitable for space-constrained applications.
• Advanced Security Features: Supports advanced security features for secure wireless communication.
• Over-the-Air (OTA) Firmware Updates: Enables wireless firmware updates for easy maintenance and feature enhancements.
• Extensive Peripheral Set: Offers a wide range of peripherals for interfacing with external devices.

Benefits:

• Ultra-Low Power Consumption: Maximizes battery life in portable and wearable devices.
• High Performance: Powerful ARM Cortex-M3 core enables complex application processing.
• Simplified Design: Highly integrated solution simplifies the design and development process.
• Reduced Bill of Materials (BOM): Integration of multiple components reduces the overall BOM cost.
• Enhanced Security: Advanced security features ensure secure wireless communication.
• Flexible Firmware Updates: OTA firmware updates enable easy maintenance and feature enhancements.
• Faster Time to Market: Integration and simplified design accelerate the time to market for new products.

Additional Details:

The BCM20738A2KML3GT operates in the 2.4 GHz ISM band. It is typically used with an external antenna. The device integrates a power management unit (PMU) for efficient power distribution. Software development kits (SDKs) and reference designs are available to facilitate application development. The chip supports various BLE profiles and services.