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Summary of Contents for C-Media CM6542
- Page 1 CM6542 Demo Board User Manual...
- Page 2 Republic of China and international copyright laws. TRADEMARKS C-Media, the C-Media Logo, Xear 3D, Xear 3D Logo, Speaker Shifter, Smart Jack, and Smart Audio Jack, Middleware are trademarks of C-Media Electronics Inc. in Republic of China andor other countries.
- Page 3 CM6542 Demo Board User Manual V1.0 Revision Notes Revision Date Description 20191024 First draft 1.01 20210331 SPDIF OUT connector change Worldwide Solution That Touch People’s Hearts! - 3 -...
- Page 4 USB-C audio accessories. Up-to -96KHz/24bit codec support can facilitate Hi-Res Audio products. This document is a user’s manual for CM6542 demo board. Anyone who is evaluating this demo board can find more detail and further information of the parts of this demo board.
- Page 5 CM6542 Demo Board User Manual V1.0 1.2 Demo Board Contents The CM6542 USB Audio controller demonstration board has several hardware features. With each feature’s description in Figure 1, the feature’s location can be identified. Figure 1 Worldwide Solution That Touch People’s Hearts!
- Page 6 CM6542 Demo Board User Manual V1.0 SECTION 2 GETTING STARTED 2.1 Board as USB Audio Device Connect to the host by plugging the Type C USB cable, as shown in Figure 2 Figure2. Connecting the demo board with a USB cable with a male Type-C connector Worldwide Solution That Touch People’s Hearts!
- Page 7 Demo Board User Manual V1.0 2.2 Playback and Recording 2.2.1 Playback Function CM6542 playback audio output are both connected to J2 (Combo jack) and J13 (Headphone out) With these two jacks, users can use stereo headphone with 3-ring 3.5mm TRS connector or use headset (stereo headphone + mono microphone) with 4-ring 3.5mm TRS connector (Both CTIA and OMTP are supported and it’s auto-...
- Page 8 Demo Board User Manual V1.0 Figure5. Optical SPDIF OUT 2.2.3 Recording Function The recording of CM6542 demo board is CM6542 mono Mic. J15 is CM6542 MIC input or Line-in Use Line-in function, Please remove R1 and C1. Worldwide Solution That Touch People’s Hearts!
- Page 9 CM6542 support I2C control interface. Please make sure I2C pins are pulled up when it’s used. J8 is where I2C header located 2.3.6 PD_R5V header CM6542 supports jack detection function for power saving. If jack is not inserted, USB function won’t be enabled. Worldwide Solution That Touch People’s Hearts!
- Page 10 Demo Board User Manual V1.0 JD MODE AND PD_R5V MODE JD MODE PD_R5V MODE JUMP －End of Data－ C-MEDIA ELECTRONICS INC. 6F., 100, Sec. 4, Civil Boulevard, Taipei, Taiwan 106 R.O.C. TEL：886-2-8773-1100 FAX：886-2-8773-2211 E-MAIL：sales@cmedia.com.tw Worldwide Solution That Touch People’s Hearts!
- Page 11 Electronics Inc. for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications are subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of C-Media.
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