Geehy Introduces Its First Dual-Mode Bluetooth® 5.2 Wireless MCU GW3323，Suitable for IoT applications with Bluetooth Wireless Connectivity

时间： 2023-04-19 来源：Geehy Semiconductor News

技术问答

Geehy announced its first low-power dual-mode Bluetooth 5.2^® chip GW3323, which is based on a 32-bit high-performance RISC-V core, supports DSP instructions and external memory expansion, and is compatible with 5.2 Bluetooth low energy protocol and classic Bluetooth SPP. It is also suitable for a wide range of IoT applications with Bluetooth wireless connectivity, such as thermal printers, smart watches, Bluetooth headsets, vacuum cleaners, audio equipment, etc.

Dual-mode Communication Protocol with Wide Applications

Support SPP+BLE Bluetooth dual-mode communication protocol, the measured BLE rate is 30KB/s, and the SPP rate is 80KB/s, which enables strong anti-interference ability. The 160MHz high frequency can handle a large number of high-performance computing. Equipped with 1MB Flash and 256KB SRAM large-capacity memory, it meets more product development needs.

Rich Peripherals with High Integration

Designed to reduce the size of the whole device, it integrates a high-performance 2.4GHz RF transceiver, 24 I/Os, 16 10-bit ADCs, 2 12-bit DACs, and rich communication interfaces such as USART, I²C, USB, SPI, etc., which can save BOM cost and PCB area to the greatest extent, and help customers reduce product production costs.

Built-in PMU with Low Power Consumption and High Sensitivity

Built-in power management unit PMU with Charger/Buck/LDO can charge the battery on the Vbat pin through the Vusb pin, the charging current up to 0.2A, which can maximize the battery life. The receiver sensitivity under 2Mbit/s EDR is -94dBm, the maximum TX output power is 9dBm, and the operating temperature range is -40℃~+85℃.

The new GW3323 is now in mass production and is equipped with complete development tools and technical materials such as datasheets, development boards, programmers, SDK routines, and a free open platform to support customers in rapid, efficient, and convenient production in the mass production process.

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