Product Overview
TXW818 is a low-power, high-performance, highly integrated 2.4GHz Wi-Fi + Sub-GHz multi-mode IoT SOC chip, integrating IEEE 802.11 b/g/n baseband and RF (Radio Frequency) circuits, including Power Amplifier (PA), Low Noise Amplifier (LNA), RF balun, antenna switch, and power management module, etc.
The TXW818 Wi-Fi baseband implements Orthogonal Frequency Division Multiplexing (OFDM) technology, and is backward compatible with Direct Sequence Spread Spectrum (DSSS) and Complementary Code Keying (CCK) technologies, supporting IEEE 802.11 b/g/n protocols. It supports 20MHz standard bandwidth and 5MHz/10MHz narrow bandwidth, providing a maximum physical layer rate of 72.2Mbit/s.
The TXW818 chip integrates a high-performance 32-bit microprocessor, with built-in MJPEG (supporting VGA/720P), providing rich peripheral interfaces such as DVP, LCD, USB2.0 High Speed Host/Device, SDMMC Host, SDIO2.0 Slave, RMII MAC, SPI Master & Device, UART, IIC, IIS, PDM, IR Send/Receive, PWM, GPIO, and ADC/DAC. It supports running programs on SPI Flash. It supports RTOS and third-party components, and comes with an open and easy-to-use development and debugging environment.
The TXW818 series includes multiple models, offering the mainstream QFN68 package form; depending on the package form, the peripheral resource configuration within the device varies; some packages support built-in PSRAM and Flash.
