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TAS3218IPZP 数据表(PDF) 9 Page - Texas Instruments |
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TAS3218IPZP 数据表(HTML) 9 Page - Texas Instruments |
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9 / 79 page  I C Sub Address x 00 2 S Slave Addr Sub Addr Ack Ack Ack Ack Ack Ack IM Res Res Res Res OM Res Res Res ON OW Res IW Res CMS 31 25 24 23 21 18 16 15 13 11 9 7 5 3 1 0 I C Sub Address x 01 2 S Slave Addr Sub Addr Ack Ack N Ack Res Res Ack Ack Res Ack M Res 31 23 15 7 6 2 0 CLOCK MASTER SELECT CMS 0 Clock slave mode 1 Master mode SAP OUTPUT NORMALIZATION ON 0 Normalization disable 1 Normalization enable OUTPUT SAP WORD SIZE 16-bit 20-bit 24-bit OW[1] 0 0 1 1 OW[0] 0 1 0 1 Reserved INPUT SAP WORD SIZE 16-bit 20-bit 24-bit IW[1] 0 0 1 1 IW[0] 0 1 0 1 Reserved INPUT SAP MODE Left-justified Right-justified I S 2 IM[1] 0 0 1 1 IM[0] 0 1 0 1 Reserved OUTPUT SAP MODE Left-justified Right-justified I S 2 OM[1] 0 0 1 1 OM[0] 0 1 0 1 Reserved Clock Master Operation Clock Slave Operation TAS3218 www.ti.com ....................................................................................................................................................................................................... SLES235 – JULY 2008 Figure 4. Clocking System I2C Mapping When configured as the device clock master, an external crystal is used as a reference to an internal oscillator. In this mode of operation, all internal clocks are generated by the oscillator. • LRCLKOUT is fixed at 48 kHz (Fs) • SCLKOUT is fixed at 64 Fs • MCLKOUT is fixed 256 Fs When configured as the device clock Slave, the DAP, MCU, and I2C interface are derived from the external crystal, however the digital audio clocks are supplied externally. Internal analog clocks for the analog to digital converter (ADC) and digital to analog converter (DAC) are derived from the MCLKIN input. As a result, analog performance will depend on the quality of MCLKIN. Degradation in analog performance is to be expected depending on the quality of MCLKIN. The TAS3218 device does not include any internal clock error or click/pop detection/management. The muting of the outputs at updating of sample rate dependent coefficients must be initiated by the host system controller. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Link(s): TAS3218 |
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