Wolfson WM9081-6222-CO28-M-REV2 Quick Start Manual Download Page 12

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WM9081-6222-CO28-M-REV2

Customer

Information

May 2009, Rev 1.0

Customer Information

BYPASS IN1 TO 4

SPEAKER (CLASS D, MINI BOARD)

The following section details board configuration for Bypass IN1 to 4

speaker (CLASS D, MINI

board).

BLOCK DIAGRAM

BOARD CONFIGURATION

USB

Digital Data In

S/PDIF

SPK_P

SPK_N

GND

+5V

IN1

Summary of Contents for WM9081-6222-CO28-M-REV2

Page 1: ...ing flying wires or appropriate headers This document will cover both but performance data will be based on the Wolfson system with 6222 EV1 main board Configurations covered are listed below DAC play...

Page 2: ...TION STAND ALONE 3 CONNECTION DIAGRAM 3 I O TABLE 4 SHORTING POINTS AND JUMPER LINKS TABLE 5 BOARD CONFIGURATION WITH 6222 EV1 REV1 MAIN BOARD 6 DAC PLAYBACK TO 4 SPEAKER CLASS D MAIN BOARD 6 DAC PLAY...

Page 3: ...tion required to do this without risking damage to the device CONNECTION DIAGRAM Figure 1 below shows the connections required to power up and control the WM9081 Customer Mini Board Please refer to Ta...

Page 4: ...tal and speaker grounds must always be within 0 3V of each other Control Interface SCLK H4 pin 6 SDIN ENA H4 pin 4 SDOUT ADDR0 H4 pin 8 CS ADDR1 4FS H4 pin 2 All control interface signals should swing...

Page 5: ...o select Addr1 0 default Short SP5 to select Addr1 1 3 4 wire mode Open SP5 default Hardware mode Open SP5 to select Normal mode default Short SP5 to select 4FS mode SP6 Software mode Open SP6 default...

Page 6: ...SPEAKER CLASS D MAIN BOARD The following section details board configuration for DAC playback to 4 speaker CLASS D MAIN board BLOCK DIAGRAM MIXER SPKVDD SPKGND AVDD AGND VMIDC DAC LINEOUT SDIN ENA SCL...

Page 7: ...2 Board 6222 EV1 REV1 WM9081 6222 CO28 M REV2 Device Date Code WPF Input Path SPDIF_IN Input Signal 997Hz 24 bit 256fs fs 48kHz Output Path SPKOUT 4R1 10uH Load Output Reference 0dBrA 8 875 dBV Suppli...

Page 8: ...Rev 1 0 Customer Information 8 DAC PLAYBACK TO 4 SPEAKER CLASS AB MINI BOARD The following section details board configuration for DAC playback to 4 speaker CLASS AB MINI board BLOCK DIAGRAM BOARD CON...

Page 9: ...01_0100 SEQUENCE 5 PERFORMANCE PLOT Audio Precision 05 15 09 11 18 31 WM9081 DAC CLASS AB THD N v Amplitude Color Sweep Trace Line Style Thick Data Axis Comment 1 1 Red Solid 2 Anlr THD N Ampl Left A...

Page 10: ...mer Information w May 2009 Rev 1 0 Customer Information 10 DAC PLAYBACK TO LINEOUT The following section details board configuration for DAC playback to LINEOUT BLOCK DIAGRAM BOARD CONFIGURATION USB D...

Page 11: ...010_1010 SEQUENCE 3 PERFORMANCE PLOT Audio Precision 05 15 09 10 35 08 WM9081 DAC LINEOUT THD N v Amplitude Color Sweep Trace Line Style Thick Data Axis Comment 1 1 Red Solid 2 Anlr THD N Ampl Left A...

Page 12: ...Rev 1 0 Customer Information 12 BYPASS IN1 TO 4 SPEAKER CLASS D MINI BOARD The following section details board configuration for Bypass IN1 to 4 speaker CLASS D MINI board BLOCK DIAGRAM BOARD CONFIGUR...

Page 13: ...H 0001 LINEOUT_DISCH 0 LINEOUT_VROI 0 LINEOUT_CLAMP 1 0x0B 0x0186 Power Management 0BH 0186 TSHUT_ENA 1 TSENSE_ENA 1 TEMP_SHUT 0 LINEOUT_ENA 0 SPKPGA_ENA 1 SPK_ENA 1 DAC_ENA 0 0x0E 0x4003 Clock Contro...

Page 14: ...ease contact the Wolfson Microelectronics Applications group through the following channels Email apps wolfsonmicro com Telephone Apps 44 0 131 272 7070 Fax 44 0 131 272 7001 Mail Applications Enginee...

Page 15: ...systems or systems where malfunction can reasonably be expected to result in personal injury death or severe property or environmental damage Any use of products by the customer for such purposes is...

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