| 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 |
