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TAS3108IADCPRG4 Datasheet(PDF) 38 Page - Texas Instruments |
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TAS3108IADCPRG4 Datasheet(HTML) 38 Page - Texas Instruments |
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38 / 63 page ![]() www.ti.com 7.1 Clock Control Register (0x00) 7.1.1 Master Clock Output Divider TAS3108, TAS3108IA AUDIO DIGITAL SIGNAL PROCESSORS SLES152B – OCTOBER 2005 – REVISED NOVEMBER 2007 Register 0x00 provides the user with control over MCLK, LRCLK, SCLKOUT1, SCLKOUT2, data-word size, and serial audio port modes. Register 0x00 default = 0x0100 1B22. Table 7-1. Clock Control Register (0x00) D31 D30 D29 D28 D27 D26 D25 D24 DESCRIPTION 0 0 0 Not Used W1 W0 Master clock output divider Y2 Y1 Y0 Master mode LRCLK divider D23 D22 D21 D20 D19 D18 D17 D16 DESCRIPTION ICS SCLKOUT select (default = 0) IMS SAP master/slave mux select (1 = master mode, 0 = slave mode) X2 X1 X0 SCLKIN and SCLKOUT clock divide Z2 Z1 Z0 MCLK, SCLK ratio (master mode only) D15 D14 D13 D12 D11 D10 D9 D8 DESCRIPTION X X Don't care X Don't care IW1 IW0 Input audio data word size X Don't care OW1 OW0 Output audio data word size D7 D6 D5 D4 D3 D2 D1 D0 DESCRIPTION IM3 IM2 IM1 IM0 Input data format OM3 OM2 OM1 OM0 Output data format Bits 28–27 (W1 and W0) define the ratio between MCLKI (or the crystal frequency) and MCLKO. This allows the accommodation of devices that require an MCLK = 128 LRCLK and devices that require an MCLK = 256 LRCLK, without having to use glue logic to divide that clock down. This bit has meaning whether in clock-master or clock-slave mode. W1 W0 DESCRIPTION 0 0 MCLKO = MCLKI 0 1 MCLKO = MCLKI/2 1 0 MCLKO = MCLKI/4 1 1 MCLKO = MCLKI/4 38 Submit Documentation Feedback I2C Register Map Not Recommended for New Designs |
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