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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PCM4220PFB датащи(PDF) 8 Page - Texas Instruments |
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PCM4220PFB датащи(HTML) 8 Page - Texas Instruments |
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8 / 34 page  www.ti.com PCM4220 SBAS407A – DECEMBER 2006 – REVISED MAY 2007 TERMINAL FUNCTIONS (continued) PIN NAME NO. I/O DESCRIPTION Sampling modes: FS0 = 0 and FS1 = 0: Normal mode FS0 19 Input FS0 = 1 and FS1 = 0: Double Speed mode FS1 20 FS0 = 0 and FS1 = 1: Quad Speed mode FS0 = 1 and FS1 = 1: Reserved Sampling mode Digital decimation filter response: DF 21 Input DF = 0: Classic filter response DF = 1: Low Group Delay response DGND 22 Ground Digital ground DGND 23 Ground Digital ground DGND 24 Ground Digital ground TDM active sub-frame: SUB0 = 0 and SUB1 = 0: Sub-frame 0 SUB1 25 Input SUB0 = 1 and SUB1 = 0: Sub-frame 1 SUB0 26 SUB0 = 0 and SUB1 = 1: Sub-frame 2 SUB0 = 1 and SUB1 = 1: Sub-frame 3 NC 27 — No external connection, internally bonded to ESD pad NC 28 — No external connection, internally bonded to ESD pad NC 29 — No external connection, internally bonded to ESD pad DGND 30 Ground Digital ground VDD 31 Power Digital supply, +3.3V nominal DATA 32 Output Audio serial port data BCK 33 I/O Audio serial port bit clock LRCK 34 I/O Audio serial port left/right word clock MCKI 35 Input Master clock RST 36 Input Reset and power-down (active low) OVFL 37 Output Left channel overflow flag (active high) OVFR 38 Output Right channel overflow flag (active high) Audio serial port Slave/Master mode: S/M 39 Input S/M = 0: Master mode S/M = 1: Slave mode DGND 40 Output Digital ground Output word length: OWL0 = 0 and OWL1 = 0: 24-bits OWL1 41 Input OWL0 = 1 and OWL1 = 0: 18-bits OWL0 42 OWL0 = 0 and OWL1 = 1: 20-bits OWL0 = 1 and OWL1 = 1: 16-bits Audio data format: FMT0 = 0 and FMT1 = 0: Left-justified FMT1 43 Input FMT0 = 1 and FMT1 = 0: I2S FMT0 44 FMT0 = 0 and FMT1 = 1: TDM FMT0 = 1 and FMT1 = 1: TDM with one BCK delay DGND 45 Ground Digital ground VREFR 46 Output Right channel reference output for decoupling purposes only REFGNDR 47 Ground Right channel reference ground, connect to analog ground VCOMR 48 Output Right channel common-mode voltage (0.4875 × VCC1 nominal) 8 Submit Documentation Feedback |
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