PAN9420 Wi-Fi ModuleDesign Guide Rev. 1.0 Page 2OverviewThe PAN9420 is a 2.4 GHz ISM band Wi-Fiembedded module which includes a wireless radioand an MCU for easy integration ofWi-Fi connectivity into various electronic devices.Features• Fully embedded: integrated full-featured networkstack• Contains all necessary IoT functionality (Placeand Play)• Integrated web server with AJAX/JSON forweb applications• No stack or software implementation needed ona host MCU• Simultaneous support of access point- andInfrastructure mode• Fully automatical IP configuration• DHCP server offers IP configuration in AP mode• Access by names (http://yourdevice)• Integrated TCP/IP network stack: IPv4, ARP,and Auto IP• Supports TLS/SSL, HTTPS and Wi-Fi security(WPA2-PSK) for secure data connectionOver-the-Air firmware update• Two UART interfaces (command andtransparent data)• Integrated QSPI flash memory for customerweb contents and configuration file• Programming via standard JTAG• Evaluation kit with pre-installed web applicationfor quick prototyping available• Evaluation and development tool WiFigurator forWindows• Getting started tutorials, PC tool,Quick Start Guide• Wide temperature range of -40 °C to +85 °CCharacteristics• Surface Mount Type (SMT)29.0 mm x 13.5 mm x 2.66 mm• Marvell® 88MW300 MCU/WLANSystem-on-Chip (SoC) inside• Tx power up to +16 dBm @ IEEE 802.11b• Rx sensitivity of -97 dBm @ IEEE 802.11b DSSS1 Mbps• 20 MHz channels up to 72 Mbps• Power supply 3.0 V-3.6 V• Current consumption 150 mA (mix modeTx/Rx @ 11b, 11 Mbps), 75 mA Rx, 310 mA Txpeak• Power down mode < 1 mA power consumption• Low power mode availableBlock DiagramChipAntennaSPDT88MW300MCU/Radio SoCCrystal32.768 kHzQSPI Flash32 MbitSPIUART0UART1GPIOsStatus LEDsMCU ReadyResetnFactory ResetV SPDTWake UpsJTAGVcc 3.3 VLPFRF-PadPAN9420Fully Embedded Wi-Fi ModuleIEEE 802.11 b/g/nCrystal38.4 MHz