ATWILC1000A-UU-T

RF Transceiver ICS Overview

The ATWILC1000A-UU-T is an IEEE 802.11b/g/n RF transceiver system-on-chip (SoC) from Microchip Technology, designed for low-power IoT applications. It integrates a radio, baseband, MAC link controller, power amplifier, LNA, and switch. Operating in the 2.4GHz band (2.412GHz–2.472GHz), it supports data rates up to 54Mbps with CCK, DSSS, and OFDM modulation. The device features a 40-VFQFN exposed pad package (5x5mm). Electrical specifications include a transmit output power of 20.6dBm, receiver sensitivity of -98dBm, and supply voltage range of 1.8V to 3.6V. Memory includes 128kB ROM and 192kB RAM.

RF Transceiver ICS Feature Summary

• Integrates full radio, baseband, MAC link controller, and power management on a single chip.
• Supports Bluetooth dual-mode coexistence via 2-line and 3-line protocols.
• Provides multiple host interfaces including SPI, SDIO, UART, and I2C.
• Optimized for ultra-low power consumption in mobile and IoT applications.

RF Transceiver ICS Applications

• Low-power Internet of Things (IoT) modules
• Mobile handheld devices requiring Wi-Fi connectivity
• Smart home appliances and sensors
• Industrial control systems with wireless LAN requirements

RF Transceiver ICS Procurement Notes

Verify component authenticity through authorized Microchip distributors or certified partners. Confirm that the received part matches the exact marking and package type specified in the official datasheet. Check for any product change notifications (PCNs) related to manufacturing updates. Ensure storage and handling conditions comply with moisture sensitivity level requirements to prevent damage during assembly.

RF Transceiver ICS Selection Notes

Select this SoC when a compact solution integrating Wi-Fi and Bluetooth coexistence is required. It is suitable for designs needing minimal external components due to integrated PA, LNA, and switches. Consider interface availability (SPI/SDIO/UART) against the host processor capabilities. Evaluate power budget constraints as the device is optimized for low-energy operation in battery-powered scenarios.

RF Transceiver ICS Part Context

This component belongs to the ATWILC100x family of RF SoCs from Microchip Technology. The family includes variants like the ATWILC1000-MR110PB-T (module version) and ATWILC1001A. These chips are engineered for seamless integration into IoT ecosystems, offering high performance in a small footprint while supporting standard IEEE 802.11b/g/n protocols for global wireless LAN interoperability.

RF Transceiver ICS Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. The ATWILC1000-MR110PB-T is a module variant using the same core SoC but in a different form factor. Direct pin-to-pin replacements should be verified against current Microchip product portfolios and engineering change notices.

RF Transceiver ICS FAQ

What memory capacity does the ATWILC1000A-UU-T provide?

The device includes 128kB of ROM and 192kB of RAM for firmware and data storage.

Which communication interfaces are supported by this SoC?

It supports Serial Peripheral Interface (SPI), Secure Digital Input/Output (SDIO), Universal Asynchronous Receiver-Transmitter (UART), and Inter-Integrated Circuit (I2C).

Does this chip support Bluetooth coexistence?

Yes, it supports 2-line and 3-line Bluetooth coexistence protocols to manage interference with simultaneous Wi-Fi and Bluetooth operations.