CC2541F128RHAT

RF Transceiver ICS Overview

The CC2541F128RHAT is a System-on-Chip solution for 2.4-GHz Bluetooth low energy applications, featuring an 8051 core and operating within a 2 V to 3.6 V supply range. It integrates 128 kB of in-system programmable flash memory and 8 kB of RAM. The device supports data rates up to 2 Mbps with a maximum output power of 0 dBm and a receiver sensitivity of -86 dBm. Key peripherals include a 12-bit ADC with eight channels, four timers, and interfaces such as I2C, SPI, and UART. It operates between -40°C and +85°C in a 40-pin VQFN package.

RF Transceiver ICS Feature Summary

• Integrates a powerful 8051 microcontroller core with five-channel DMA support for efficient data handling.
• Includes a 128-bit AES security coprocessor to ensure secure communication protocols.
• Features hardware debug support and multiple general-purpose timers for precise timing control.
• Provides extensive connectivity through USART, I2C, and SPI interfaces alongside 23 general I/O pins.

RF Transceiver ICS Applications

• Bluetooth low energy sensor nodes
• Wireless home automation devices
• Medical monitoring equipment

RF Transceiver ICS Procurement Notes

Verify the specific suffix RHAT indicates the tape and reel packaging format when ordering. Confirm that the component meets RoHS compliance requirements for your target market. Ensure design compatibility with the 40-pin VQFN footprint and thermal characteristics. Check for moisture sensitivity level ratings to determine proper storage and reflow soldering profiles during assembly.

RF Transceiver ICS Selection Notes

Select this model when 128 kB of flash memory is sufficient for application code and data storage. Choose this variant over higher-capacity versions if cost or physical space constraints are primary factors. Ensure the system design accommodates the 2.4 GHz RF requirements and the specified voltage range. Verify that the integrated peripherals meet the interface needs without requiring external components.

RF Transceiver ICS Part Context

This component belongs to the Texas Instruments CC2541 family of wireless MCUs designed for Bluetooth low energy and proprietary RF systems. It shares architectural similarities with other members like the CC2541F256 but differs in memory capacity. The family is positioned for low-power, cost-sensitive wireless applications requiring robust integration of processing and radio functions on a single chip.

RF Transceiver ICS Replacement Considerations

The CC2541F128RHAR is a pin-compatible alternative with identical electrical specifications but differs in packaging format. Consider the CC2541F256 series if additional program memory is required while maintaining the same interface and performance profile.

RF Transceiver ICS FAQ

What is the maximum data rate supported by the CC2541F128RHAT?

The device supports data rates of 250 kbps, 500 kbps, 1 Mbps, and up to 2 Mbps.

Does the CC2541F128RHAT include hardware encryption capabilities?

Yes, it includes a dedicated 128-bit AES security coprocessor for hardware-accelerated encryption.

How many general-purpose input/output pins are available?

The device provides 23 general-purpose I/O pins for connecting external peripherals.