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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PCMD3140IRTER датащи(PDF) 3 Page - Texas Instruments |
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PCMD3140IRTER датащи(HTML) 3 Page - Texas Instruments |
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3 / 106 page  5 Pin Configuration and Functions 1 NC 14 DREG 2 NC 13 SCL 3 PDMDIN1_GPI1 12 SDA 4 PDMCL K_GPO1 11 GPIO1 No t to scale Th ermal Pad (VSS) 15 VSS 20 VSS 10 VSS 5 VSS Figure 5-1. RTE Package, 20-Pin WQFN With Exposed Thermal Pad, Top View Table 5-1. Pin Functions PIN TYPE DESCRIPTION NO. NAME 1 NC No connect No connection 2 NC No connect No connection 3 PDMDIN1_GPI1 Digital input Digital input 1 (multipurpose functions such as digital microphones data, PLL input clock source, and so forth). 4 PDMCLK_GPO1 Digital output General-purpose digital output 1 (multipurpose functions such as digital microphone clock, interrupt, and so forth). 5 VSS Ground supply Device ground internally shorted to thermal pad. Short this package corner pin directly to the board ground plane. See the package drawing at the end of this document for corner pin dimensions. 6 SDOUT Digital output Audio serial data interface bus output. 7 BCLK Digital I/O Audio serial data interface bus bit clock. 8 FSYNC Digital I/O Audio serial data interface bus frame synchronization signal. 9 IOVDD Digital supply Digital I/O power supply (1.8 V or 3.3 V, nominal). 10 VSS Ground supply Device ground internally shorted to thermal pad. Short this package corner pin directly to the board ground plane. See the package drawing at the end of this document for corner pin dimensions. 11 GPIO1 Digital I/O General-purpose digital input/output 1 (multipurpose functions such as digital microphones clock or data, PLL input clock source, interrupt, and so forth). 12 SDA Digital I/O Data pin for I2C control bus. 13 SCL Digital input Clock pin for I2C control bus. 14 DREG Digital supply Digital regulator output voltage for digital core supply (1.5 V, nominal). Connect a 10-µF and a 0.1-µF low ESR capacitor in parallel to the device ground (VSS). 15 VSS Ground supply Device ground internally shorted to thermal pad. Short this package corner pin directly to the board ground plane. See the package drawing at the end of this document for corner pin dimensions. 16 AVDD Analog supply Analog power (1.8 V or 3.3 V, nominal). 17 AREG Analog supply Analog on-chip regulator output voltage for analog supply (1.8 V, nominal) or external analog power (1.8 V, nominal). Connect a 10-µF and a 0.1-µF low ESR capacitor in parallel to the analog ground (AVSS). 18 VREF Analog Analog reference voltage filter output. Connect a 1-µF to the analog ground (AVSS). www.ti.com PCMD3140 SBASA64A – DECEMBER 2020 – REVISED JUNE 2021 Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback 3 Product Folder Links: PCMD3140 |
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