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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PCM4104IPFBREP датащи(PDF) 29 Page - Texas Instruments |
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PCM4104IPFBREP датащи(HTML) 29 Page - Texas Instruments |
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29 / 43 page  www.ti.com CONTROL REGISTER DEFINITIONS (Software Mode Only) Register 1: Attenuation Control Register – Channel 1 Register 2: Attenuation Control Register – Channel 2 Register 3: Attenuation Control Register – Channel 3 PCM4104-EP SBAS419 – JUNE 2007 The PCM4104 includes a small set of control registers, which are utilized to configure the full set of on-chip functions in Software mode. The register map is shown in Table 6. Register 0 is reserved for factory use and should not be written to for normal operation. Register 0 defaults to all zero data on power up or reset. Table 6. Control Register Map CONTROL REGISTER MSB LSB BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 ADDRESS BIT 7 BIT 0 (Hex) 0 0 0 0 0 0 0 0 0 1 AT17 AT16 AT15 AT14 AT13 AT12 AT11 AT10 2 AT27 AT26 AT25 AT24 AT23 AT22 AT21 AT20 3 AT37 AT36 AT35 AT34 AT33 AT32 AT31 AT30 4 AT47 AT46 AT45 AT44 AT43 AT42 AT41 AT40 5 MUT4 MUT3 MUT2 MUT1 ZDM PHASE DEM1 DEM0 6 RST 0 0 0 PDN34 PDN12 FS1 FS0 7 0 0 BCKE LRCKP 0 FMT2 FMT1 FMT0 BIT 7 (MSB) BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 (LSB) AT17 AT16 AT15 AT14 AT13 AT12 AT11 AT10 This register controls the digital output attenuation for Channel 1. Default: AT1[7:0] = 255, or 0 dB Let N = AT1[7:0]. For N = 16 to 255, Attenuation (dB) = 0.5 × (255 – N) or N = 0 to 15, Attenuation (dB) = Infinite (Muted) BIT 7 (MSB) BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 (LSB) AT27 AT26 AT25 AT24 AT23 AT22 AT21 AT20 This register controls the digital output attenuation for Channel 2. Default: AT2[7:0] = 255, or 0 dB Let N = AT2[7:0]. For N = 16 to 255, Attenuation (dB) = 0.5 × (255 – N) or N = 0 to 15, Attenuation (dB) = Infinite (Muted) BIT 7 (MSB) BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 (LSB) AT37 AT36 AT35 AT34 AT33 AT32 AT31 AT30 This register controls the digital output attenuation for Channel 3. Default: AT3[7:0] = 255, or 0 dB Let N = AT3[7:0]. For N = 16 to 255, Attenuation (dB) = 0.5 × (255 – N) or N = 0 to 15, Attenuation (dB) = Infinite (Muted) 29 Submit Documentation Feedback |
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