Realtek Semiconductor RTL8773B - Page 11

RTL8773B Motherboard User Guide
9
·Copyright 2019 Realtek Semiconductor Corporation.
All Rights Reserved.
IO jumper
J2
1
3 5
7
9
2
4 6
8
10
11
14 16
13
15
12
Pin Description Pin Description
1 GND 2 GND
3 M1_7 4 M1_6
5 M2_5 6 M2_0
7 M3_1 8 M3_0
9 M3_3 10 M3_2
11 M3_5 12 M3_4
13 M5_1 14 M5_0
15 M5_3 16 M5_2
17 MFB 18 RST
19 M0_3 20 M0_2
21 M0_5 22 M0_4
23 M0_7 24 M0_6
Description Pin Description
SPDIF 2 M2_6
INS_DET 4 M2_7
AMP_EN 6 M4_0
Audio control jumper
J4
135
246
18
20 22 24
26
17
19 21
23
25
SPDIF Connector
J30
Pin Description
1 MIC1_P
2 JACK_P
1 2
Thermal Detector control
Jumper J5
Pin Description
1 MIC1_P
2 JACK_P
1 2
Pin Description
1 VDDIO1
2 FT_VDDIO
3 VDD102
1 2 3
J33
1 2 3
Pin Description
1 MICBIAS
2 MIC4_N
3 MIC4_P
4 GND
4
J20
1.4 IO Pins Assignment
The RTL8773B Motherboard is designed to fit RTL8773B EVB daughter board. All
common interfaces installed on evaluation board are available to each IO pin of
RTL8773B chip by connecting control jumpers to different RTL8773B chip’s IOs.