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CM6533DH Datasheet(PDF) 14 Page - C-Media Electronics |
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CM6533DH Datasheet(HTML) 14 Page - C-Media Electronics |
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14 / 60 page  CM6533,CM6533N,CM6533X1,CM6533DH USB Audio Chip Page 14 / 60 www.cmedia.com.tw Rev.1.6 Copyright© C-Media Electronics Inc. 4.5 Pin Description Pin # Symbol I/O Description USB2.0 BUS Interface 7 USB_DP AIO USB 2.0 data positive (USB D+ signal). 8 USB_DM AIO USB 2.0 data negative (USB D- signal). Power/Ground 9 DVDD33 AO Regulator 3.3V output, drive capacity 10mA. 10 DVDD18 AO Regulator 1.8V output, no current drive capacity. 11 DVDD50 PWR 5V digital power for 5/3.3/1.8V regulator. 22 AVDD36 AO Analog 3.6V regulator for ADC, no current drive capacity. 23 AVDD50 PWR 5V analog power for 4.2/3.6V regulator. 24 AV42_DA AO Analog 4.2V regulator for Analog 3.6V regulator, no current drive capacity. 25 AV36_DAL AO Analog 3.6V regulator for DAC left channel, no current drive capacity. 31 AV36_DAR AO Analog 3.6V regulator for DAC right channel, no current drive capacity. 6 VSS GND Digital Ground. 12 VSS GND Digital Ground. 42 VSS GND Digital Ground. 13 AGND GND Analog Ground. 21 AGND GND Analog Ground. 27 AGND_DAL GND Analog Ground. 29 AGND_DAR GND Analog Ground. Audio Interface 18 MIC_SWOUT AO Combo jack detect and auto switch, detect combo jack type and switch to MICR_RING2 or MBIASR_SLEEVE. 15 MICL AI Microphone in left channel. 19 MICR_RING2 AI Microphone in right channel or combo jack Ring2 pin input. 16 MBIASL AO Microphone bias (2.75V) for Left channel. 20 MBIASR_SLEEVE AO Microphone bias (2.75V) for Right channel or combo jack Sleeve pin input. 17 VAG AO Voltage reference cap filter. 26 LOUTL AO Line out left channel. 28 LOCOM AO Line out common reference for cap-less connection. Suggested connections: Cap-less: 10uF None use: floating 30 LOUTR AO Line out right channel. 14 VOLADJ AI Analog control voltage input for playback volume control. SAR ADC digital input range: SARAD<5:0> 000000:Maxium------27.3mV 111111:Minium-------1.75V (27.3mV/1step) S/PDIF I/O 36 SPDIF_O DO S/PDIF transmitter SPDIF_O is an output buffer with 8mA Tri-state. GPIO 1 GPIO_0 DIO General purpose input/output (default Volume Up button). 3.3V I/O, 5V tolerance, bidirectional buffer with 8mA driving current, Default weak pull-up for input. (JTAG-TCK) 48 GPIO_1 DIO General purpose input/output (default Volume Down button). 3.3V I/O, 5V tolerance, bidirectional buffer with 8mA driving current, Default weak pull-up for input. (JTAG-TMS) 47 GPIO_2 DIO General purpose input/output (default Play Mute button). 3.3V I/O, 5V tolerance, bidirectional buffer with 8mA driving current, Default weak pull-up for input. (JTAG-TDI) |
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