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PCM2902E/2K Datasheet(PDF) 8 Page - Burr-Brown (TI) |
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PCM2902E/2K Datasheet(HTML) 8 Page - Burr-Brown (TI) |
8 / 35 page www.ti.com PCM2900 PCM2902 SLES035E – MARCH 2007 – REVISED MARCH 2008 PCM2902 TERMINAL FUNCTIONS TERMINAL I/O DESCRIPTION NAME NO. 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 DIN 24 I S/PDIF input(2) DOUT 25 O S/PDIF output 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(4) SEL1 9 I Must be set to high(4) SSPND 28 O Suspend flag, active-low (Low: suspend, High: operational) VBUS 3 – Connect to USB power (VBUS) VCCCI 10 – Internal analog power supply for codec(5) VCCP1I 17 – Internal analog power supply for PLL(5) VCCP2I 19 – Internal analog power supply for PLL(5) VCCXI 23 – Internal analog power supply for oscillator(5) VCOM 14 – Common for ADC/DAC (VCCCI/2) (5) VDDI 27 – Internal digital power supply 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(6) XTO 20 O Crystal oscillator output (1) LV-TTL level (2) 3.3-V CMOS-level input with internal pulldown, 5-V tolerant (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 have no connection with the internal DAC or ADC directly. See the Interface #3 and End-Points sections. (4) TTL Schmitt trigger, 5-V tolerant (5) Connect a decoupling capacitor to GND. (6) 3.3-V CMOS-level input 8 Submit Documentation Feedback Copyright © 2007–2008, Texas Instruments Incorporated Product Folder Link(s): PCM2900 PCM2902 |
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