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LM49321 数据表(PDF) 4 Page - Texas Instruments |
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LM49321 数据表(HTML) 4 Page - Texas Instruments |
4 / 45 page LM49321, LM49321RLEVAL SNAS457C – SEPTEMBER 2008 – REVISED MAY 2013 www.ti.com PIN DESCRIPTIONS Digital Pin Pin Name I/O, Power Description /Analog A1 DGND D P DIGITAL GND A2 MCLK D I MASTER CLOCK A3 I2S_WS D I/O I2S WORD SELECT A4 SDA/SDI D I/O I2C SDA OR SPI SDI A5 DVDD D P DIGITAL SUPPLY VOLTAGE A6 I/O_VDD D P I/O SUPPLY VOLTAGE B1 PLL_VDD D P PLL SUPPLY VOLTAGE B2 I2S_SDATA D I I2S SERIAL DATA INPUT B3 I2S_CLK D I/O I2S CLOCK SIGNAL B4 GPIO D O TEST PIN (MUST BE LEFT FLOATING) B5 I2C_VDD D P I2C SUPPLY VOLTAGE B6 SDL/SCK D I I2C_SCL OR SPI_SCK C1 PLL_GND D P PHASE LOCK LOOP GROUND C2 PLL_OUT D O PHASE LOCK LOOP FILTER OUTPUT C3 PLL_IN D I PLL FILTER INPUT C4 ADDR/ENB D I I2C ADDRESS OR SPI ENB DEPENDING ON MODE C5 BYPASS A I HALF-SUPPLY BYPASS C6 AVDD A P ANALOG SUPPLY VOLTAGE D1 AGND A P ANALOG GROUND D2 AGND A P ANALOG GROUND D3 NC NO CONNECT (MUST BE LEFT FLOATING) D4 MODE D I SELECTS BETWEEN I2C OR SPI CONTROL D5 RHP A O RIGHT HEADPHONE OUTPUT D6 CHP A O HEADPHONE CENTER PIN OUTPUT (1/2 VDD or GND) E1 DIFF- A I ANALOG NEGATIVE DIFFERENTIAL INPUT E2 LIN A I ANALOG LEFT CHANNEL INPUT E3 RIN A I ANALOG RIGHT CHANNEL INPUT E4 NC NO CONNECT (MUST BE LEFT FLOATING) E5 LHP A O LEFT HEADPHONE OUTPUT E6 AGND A P ANALOG GROUND F1 DIFF+ A I ANALOG POSITIVE DIFFERENTIAL INPUT F2 EP- A O MONO EARPIECE- OUTPUT F3 EP+ A O MONO EARPIECE+ OUTPUT F4 LS- A O LOUDSPEAKER OUTPUT- F5 AVDD A P ANALOG SUPPLY VOLTAGE F6 LS+ A O LOUDSPEAKER OUTPUT+ These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. 4 Submit Documentation Feedback Copyright © 2008–2013, Texas Instruments Incorporated Product Folder Links: LM49321 LM49321RLEVAL |
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类似说明 - LM49321 |
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