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WM8728SEDS/R データシート(PDF) 4 Page - Wolfson Microelectronics plc |
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WM8728SEDS/R データシート(HTML) 4 Page - Wolfson Microelectronics plc |
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4 / 28 page  WM8728 Production Data w PD Rev 4.2 April 2004 4 PIN DESCRIPTION PIN NAME TYPE DESCRIPTION 1 LRCIN Digital Input DAC Sample Rate Clock Input: PCM Input Mode 2 DIN Digital Input Serial Audio Data Input: PCM Input Mode 3 BCKIN Digital Input Audio Data Bit Clock Input 4 MCLK Digital Input Master Clock Input 5 ZERO Digital Output (Open drain) Infinite ZERO Detect Flag (L = IDZ detected, H = IDZ not detected). 6 DGND Supply Digital Ground Supply 7 DVDD Supply Digital Positive Supply 8 VOUTR Analogue Output Right Channel DAC Output 9 AGND Supply Analogue Ground Supply 10 AVDD Supply Analogue Positive Supply 11 VOUTL Analogue Output Left Channel DAC Output 12 VMID Analogue Output Mid Rail Decoupling Point 13 VREFN Supply DAC Negative Reference – normally AGND, must not be below AGND 14 VREFP Supply DAC Positive Reference – normally AVDD, must not be above AVDD 15 CSBIWL Digital Input (pull-up) Software Mode: 3-Wire Serial Control Chip Select Hardware Mode: Input Word Length 16 MODE Digital Input (pull-down) Control Mode Selection (L = Hardware, H = Software) 17 MUTEB Digital Bi-directional Mute Control (L = Mute on, H = Mute off, Z = Automute Enabled) 18 SDIDEM Digital Bi-directional Software Mode: 3 or 2-Wire Serial Control Data Input: Hardware Mode: De-Emphasis Select 19 SCK Digital Input (pull-down) Software Mode: 3 or 2-Wire Serial Control Clock Input 20 LATI2S Digital Input (pull-up) Software Mode 3-Wire Serial Control Load Input Hardware Mode: Input Data Format Selection Note: Digital input pins have Schmitt trigger input buffers. |
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