Nuvoton CODEC 8401 series, User Manual

Page: 54 / 66

CODEC Motherboard Manual Version 1.3 Page 54 of 66 April 12, 2016
CODEC Motherboard
27.1
Table of Jumper Options
Jumpers Default Position Description
J10 1-2 (short) Position 1-2 selects Right MIC and Position 2-3 selects Right Phono
J11 1-2 (short) Position 1-2 selects Left MIC and Position 2-3 selects Left Phono
J13 1-2 (short) Position 1-2 selects Right MIC and Position 2-3 selects Right Phono
J14 1-2 (short) Position 1-2 selects Left MIC and Position 2-3 selects Left Phono
J17 3-4(short)
The 3 position jumper selects the VDDC source. Position 1-2 Selects External VDD via
J18, 3-4 Selects VDDB, and position 5-6 sects 1.8VDC
J20 2-3(short)
J20 Selects the VDDB source, position 1-2 selects external source via J22 position 2-3
selects 3.3VDC
J21 2-3(short)
J21 Selects the VDDA source, position 1-2 selects external source via J19 position 2-3
selects 3.3VDC
J23 2-3(short) Install for external I2C at VDDB or I2C at 3.3V operation
J25 3-4 (short)
Speaker VDD selection jumper. Position 1-2 selects external source via (J36), position 3-
4 selects 5VDc and position 5-6 selects analog power (VDDA)
J28 Not on PCB JTAG.connector for factory use with the W681308 USB controller
J30 2-3(short)
Position 1-2 Left Line_Out select and Position 2-3 selects Left HP-_Out (Left headphone
out)
J31 2-3(short)
Position 1-2 Right Line_Out select and Position 2-3 selects right HP+_Out (Right
headphone out)
J32 1-2 (short)
Position 1-2 selects Headphone cap-less mode and
Position 2-3 selects AC coupled headphone output
J33 Open
Open position selects Headphone cap-less mode and Closed Position selects DC
coupled headphone output (HP-) (Output for WAU8812, and WAU8814)
J34 Open Headphone detect
J35 Open
Open position selects Headphone cap-less mode and
Closed Position selects DC coupled headphone output (HP+)
J41 Not on PCB Connector for JTAG ICE
J47 2-3(short)
Install this jumper for external MCLK Position 1-2 enables external MCLK and poison 2-3
disables the external MCLK.
AUX1 Open
H5 header on schematic. This is never a jumper. Two pin header for 150-ohm ear
speaker load.
Link1 Closed Set up 3.5mm stereo microphone for stereo operation.
Link2 Closed Connects VDDC pin H2-5, on daughter card to VDDC supply voltage
Link3 Closed Connects VDDA pin H3-7, on daughter card to VDDA supply voltage
Link4 Closed Connects VDDB pin H2-6, on daughter card to VDDB supply voltage
Link5 Closed Connects VDDSPK pin H3-2, on daughter card to VDDSPK supply voltage
Table 9: JUMPER OPTIONS