Telink TL3228 – Low-Power, Low-Latency Dual-Core RISC-V Wireless MCU Supports Bluetooth 6.0, 802.15.4, and 2.4 GHz Proprietary

Key Takeaways

• Dual-core 192 MHz RISC‑V MCU supports Bluetooth 6.0
• Up to 6 Mbps proprietary radio, ultra‑low latency
• 384 KB SRAM, 2.5 MB NVM for complex applications
• Multi‑connection Bluetooth LE: 4 central, 4 peripheral links
• Development kits start at $70, include open‑source hardware

Summary

Telink introduced the TL3228, the first chip in its TL322x wireless MCU family, featuring a 192 MHz dual‑core RISC‑V processor and support for Bluetooth 6.0, Matter, Thread, Zigbee, RF4CE, and a proprietary 2.4 GHz radio. The MCU offers up to 6 Mbps data rates, ultra‑low latency, and advanced Bluetooth features such as Channel Sounding, AoA/AoD, and LE Audio. It includes 384 KB SRAM, 2.5 MB non‑volatile memory, and a rich peripheral set, targeting smart‑home, asset‑tracking, and high‑performance gaming accessories. Development kits are available for roughly $70.

Pulse Analysis

The TL3228 arrives at a pivotal moment for the IoT ecosystem, where manufacturers are pressured to integrate multiple wireless protocols without inflating device size or power consumption. By embedding Bluetooth 6.0, Thread, Zigbee, and a high‑speed proprietary 2.4 GHz radio on a single silicon die, Telnet reduces the need for separate radio chips, simplifying board layouts and cutting BOM expenses. The dual‑core architecture—combining an Andes D25F core with an N22 core—delivers the processing headroom required for edge AI, secure OTA updates, and real‑time sensor fusion, all while maintaining a deep‑sleep current of just 0.7 µA.

Beyond raw specifications, the TL3228’s software ecosystem strengthens its market appeal. Telink’s open‑source SDKs on GitHub, coupled with the Telink IoT Studio IDE, provide developers with a familiar, cross‑platform environment for rapid prototyping. Multi‑connection Bluetooth LE support—four central and four peripheral links—enables complex mesh topologies and simultaneous device interactions, a critical capability for smart‑home hubs and industrial asset‑tracking solutions. Security features such as secure boot, firmware encryption, and a hardware random number generator address growing concerns around IoT device integrity.

For product designers, the TL3228’s flexible packaging options—from QFN80 to WLCSP59—accommodate a range of form‑factor constraints, while the modest $70 price point of the AIOT‑DK1 development kit lowers entry barriers for startups and OEMs. As the industry moves toward higher‑resolution audio, 8K gaming peripherals, and ultra‑responsive control interfaces, the TL3228’s combination of high data rates, low latency, and extensive peripheral support positions it as a compelling foundation for the next generation of connected devices.