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Hardware

Specification

Hardware Specification

Spec
Main MCU Module ESP32-S3-WROOM-1
CPU Dual-core Xtensa® LX7 @ 240MHz
SRAM 512KB
PSRAM 8MB
Flash 16MB
ETH 10 Base-T / 100 Base-TX
Wi-Fi 802.11b/g/n (2.4GHz), 1x1
Thread/BLE Module ESP32-H2-MINI-1
LED Indicators Power, IoT, Network
Buttons Reset, IoT
Power Input DC 5V1A (USB-C), IEEE 802.3 af (PoE)
Power Consumption <3w (DC), <7w (PoE)
Firmware burning USB-UART via USB-C
Dimension 76 x 76 x 25 mm
Net Weight (Without package) 63g

GL-S20 Specification

GPIO List

ESP32-S3-WROOM-1 GPIO Labeling SIGNAL FUNCTION
GPIO0 GPIO0 connected to ch340c pin DTR for the device to enter download mode
GPIO1 BUTTON button input, used for reset
GPIO2 GPIO2 used for control h2 reset io
GPIO3 GPIO3 used for control h2 boot io
GPIO4 PHY_SPI_INT interrupt GPIO number SPI Ethernet module
GPIO5 PHY_RESET PHY reset GPIO number of SPI Ethernet module
GPIO6 NETWORK_LED network led control (green)
GPIO7 NETWORK_LED network led control (red)
GPIO8 UART1 RX used for connect to h2 uart0 tx
GPIO9 POWER_LED power led control (green)
GPIO10 PHY_SPI_CSN SPI CS GPIO number for SPI Ethernet module
GPIO11 PHY_SPI_MOSI SPI MOSI GPIO number for SPI Ethernet module
GPIO12 PHY_SPI_CK SPI SCLK GPIO number for SPI Ethernet module
GPIO13 PHY_SPI_MISO SPI MISO GPIO number for SPI Ethernet module
GPIO14 POWER_LED power led control (red)
GPIO15 NETWORK_LED network led control (yellow)
GPIO16 BUTTON button input, used for iot function control
GPIO17 IOT_LED iot led control (green)
GPIO18 IOT_LED iot led control (red)
GPIO19 IOT_LED iot led control (yellow)
GPIO20 POWER_LED power led control (yellow)
GPIO21 UART1 RTS used for connect to h2 uart0 cts
GPIO35 GPIO35 NC
GPIO36 GPIO36 NC
GPIO37 GPIO37 NC
GPIO38 GPIO38 NC
GPIO39 GPIO39 NC
GPIO40 PTA_REQUEST used for PTA
GPIO41 PTA_PRIORITY used for PTA
GPIO42 PTA_GRANT used for PTA
GPIO43 UART0 TX used for debugging serial port output
GPIO44 UART0 RX used for debugging serial port output
GPIO45 PTA_TX_LINE used for PTA
GPIO46 GPIO46 NC
GPIO47 UART1 CTS used for connect to h2 uart0 rts
GPIO48 UART1 TX used for connect to h2 uart0 rx

PCB Pinout

gl-s20 pinout

gl-s20 pinout