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TAS2553 数据表(PDF) 39 Page - Texas Instruments |
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TAS2553 数据表(HTML) 39 Page - Texas Instruments |
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39 / 58 page ![]() TAS2553 www.ti.com SLAS978B – SEPTEMBER 2013 – REVISED FEBRUARY 2014 7.5.19 Register 0x11: PDM Configuration Register Sets the PDM clock source and whether channel 1 data is transmitted on the rising or falling edge of the clock. Channel 2 transmits on the opposite edge. READ / BIT NAME DEFAULT DESCRIPTION WRITE 7-3 R/W 0 0000 Reserved. Write only default values. 2 PDM_DATA_ES R/W 0 PDM Data Edge Select 0 = falling edge 1 = rising edge 1-0 PDM_CLK_SEL R/W 01 PDM Clock Select 00 = PLL / 8 01 = IVCLKIN 10 = BCLK 11 = MCLK 7.5.20 Register 0x12: PGA Gain Register READ / BIT NAME DEFAULT DESCRIPTION WRITE 7-5 R/W 000 Reserved. Write only default values. 4-0 PGA_GAIN R/W 0 0000 PGA Gain Value 00000 = -7 dB 00001 = -6 dB … 11110 = +23 dB 11111 = +24 dB 7.5.21 Register 0x13: Class-D Edge Rate Control Register READ / BIT NAME DEFAULT DESCRIPTION WRITE 7 GAINCOMP_EN R/W 0 I-V Sense Gain Compensation Control Enables AGC compensation for current sense feedback. AGC compensation increases the gain of the current sense data by the same gain the AGC instantaneously attenuates. 0 = No I-V sense gain compensation 1 = Gain compensation enabled 6-4 ERC_SEL R/W 100 Class-D Output Edge Rate Control 000 = 50 ns 001 = 40 ns 010 = 29 ns 011 = 25 ns 100 = 14 ns (default) 101 = 13 ns 110 = 12 ns 111 = 11 ns 3-0 R/W 0000 Reserved. Write only default values. Copyright © 2013–2014, Texas Instruments Incorporated Submit Documentation Feedback 39 Product Folder Links: TAS2553 |
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