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PCM2902E Datasheet(PDF) 7 Page - Burr-Brown (TI) |
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PCM2902E Datasheet(HTML) 7 Page - Burr-Brown (TI) |
7 / 33 page PCM2900 PCM2902 SLES035C − MARCH 2002 − REVISED MARCH 2007 www.ti.com 7 PCM2900 Terminal Functions TERMINAL I/O DESCRIPTION NAME NO. I/O DESCRIPTION SSPND 28 O Suspend flag, active low (Low: suspend, High: operational) AGNDC 11 − Analog ground for codec AGNDP 18 − Analog ground for PLL AGNDX 22 − Analog ground for oscillator D– 2 I/O USB differential input/output minus(1) D+ 1 I/O USB differential input/output plus(1) DGND 26 − Digital ground DGNDU 4 − Digital ground for USB transceiver HID0 5 I HID key state input (mute), active high(3) HID1 6 I HID key state input (volume up), active high(3) HID2 7 I HID key state input (volume down), active high(3) SEL0 8 I Must be set to high(5) SEL1 9 I Must be set to high(5) TEST0 24 I Test pin, must be connected to GND TEST1 25 O Test pin, must be left open VBUS 3 − Connect to USB power (VBUS) VCCCI 10 − Internal analog power supply for codec(4) VCCP1I 17 − Internal analog power supply for PLL(4) VCCP2I 19 − Internal analog power supply for PLL(4) VCCXI 23 − Internal analog power supply for oscillator(4) VCOM 14 − Common for ADC/DAC (VCCCI/2)(4) VDDI 27 − Internal digital power supply(4) VINL 12 I ADC analog input for L-channel VINR 13 I ADC analog input for R-channel VOUTL 16 O DAC analog output for L-channel VOUTR 15 O DAC analog output for R-channel XTI 21 I Crystal oscillator input(2) XTO 20 O Crystal oscillator output (1) LV-TTL level (2) 3.3-V CMOS level input (3) 3.3-V CMOS level input with internal pulldown. This pin informs the PC of serviceable control signals such as mute, volume up, or volume down, which has no connection with the internal DAC or ADC directly. See the Interface #3 and End-Points sections. (4) Connect a decouple capacitor to GND (5) TTL Schmitt trigger, 5 V tolerant |
Similar Part No. - PCM2902E |
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Similar Description - PCM2902E |
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