User Manual

9
HLK-RM08S
27
MDI_RN_P3
SD_D0
eMMC_D0
GPIO25
28
MDI_RP_P4
SD_CLK
eMMC_CLK
GPIO26
29
MDI_RN_P4
SD_CMD
eMMC_CMD
GPIO28
30
MDI_TP_P4
SD_D3
eMMC_D3
GPIO29
31
MDI_TN_P4
SD_D2
eMMC_D2
GPIO27
32
USB_DP
Default not available
33
USB_DM
Default not available
34
EPHY_LED4_N
JTAG_RST_N
GPIO30
Com 4 status led
35
EPHY_LED2
JTAG_TMS
GPIO32
Com 2 status led
36
EPHY_LED0
JTAG_TDO
GPIO34
Com 0 status led
37
GND
38
GND
39
3.3V
Suggested external
power supply current≥
500mA
40
3.3V
41
WLED_N
GPIO35
WiFi status LED
42
EPHY_LED1
JTAG_TDI
GPIO33
Com 1status LED
43
EPHY_LED3
JTAG_CLK
GPIO31
Com 3status LED
44
PORST_N
WIFI reset
45
WDT_RST_N
GPIO37
Watchdog timeout reset
46
UART_TXD1
PWM_CH0
GPIO45
Default is serial port
TR
47
UART_RXD1
PWM_CH1
GPIO46
Default is serial port
TR
48
REF_CLK0
GPIO38
Reference clock output
49
PERST_N
GPIO36
PCIe device reset
50
I2C_SD
GPIO5
51
I2C_CLK
GPIO4
52
GND
53
ANT
Default not connected
54
GND