Realtek Semiconductor RTL8773B - Page 6

RTL8773B Motherboard User Guide
4
·Copyright 2019 Realtek Semiconductor Corporation.
All Rights Reserved.
When USB is powered, the LED light will be on.
17. VBAT Indicator, LED9
When Battery is powered, the LED light will be on.
18. SWD interface J7
19. USB connector for USB to UART converter, CON3
20. Connector for external USB to UART converter, J39
21. HCI UART interface J40
22. Jumper for USB to UART converter, J41
23. Log test point TP6
24. Audio PA power jumper J14
25. Thermistor: NCP18WB473D03RB made by Murata is a NTC thermistor with 47Kohm
resistance at 25℃.
26. Status LEDs (LED1~LED6)
27. SPDIF connector J30
28. Control jumper for LEDs(LED1~LED6) and KEYs (KEY1~KEY3)
29. IO jumper
30. Control jumper for LED(LED9~LED11) and KEYs (KEY0~KEY7)
31. Control jumper for thermal detector J5
32. Power Supply for other device
33. Power supply for other device
34. Jumper for MIC module, J20
35. Power supply for FT 232, J33
36. RTL8773B EVB Daughter board
Pin Description
1 V_5V
2 DP
3 DM
4 NC
5 GND
1
1 2
Pin Description
1 USB_5V
2 VDD_ADP
USB Power Jumper
J42
USB Connector