RTL8773B Motherboard User Guide
3
·Copyright 2019 Realtek Semiconductor Corporation.
All Rights Reserved.
Figure 1-3 RTL8773B EVB Daughter board
1. USB Connector CON2
Supply power for RTL8773B VDD_ADP and audio power amplifier. DM and DP signals are
connected to VDD_ADP.
2. Li-ion
Supply power from external Lithium battery for RTL8773B VBAT.
3. Control jumper for thermal detector, J37
4. Reset test jumper
5. Power Jumper
1) J42 & U_5V_FT: VDD_ADP jumpers. By shorting J42 (VADP & U_5V), micro-USB
connector CON2 on the front of board begins to supply power for VDD_ADP pin. Or
shorting VADP of J42 and U_5V_FT, micro-USB connector CON3 on the opposite side
of board will supply power for VDD_ADP.
2) J35: VDD_ADP and VBAT test points.
3) J38: VDD_VBAT jumper. By shorting J38, Li-ion Battery begins to supply power for
VDD_VBAT.
6. Audio PA output connector CN1/ CN2
7. MIC3 input interface U8.
8. MIC1 input interface U7.
9. MIC2 input interface U6.
10. AUX_IN stereo input U4.
11. Headphone output jack U3
12. 2*25Pin jumper for connecting mp board
13. Two 2*18, for installing RTL8773B EVB daughter board
14. DSP JTAG interface J1
15. 10 push buttons, one for reset, one for MFB, the others for application
16. USB_5V Indicator, LED8
To Next Page
Loading...