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TLV320DAC3120 Datasheet(PDF) 56 Page - Texas Instruments |
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TLV320DAC3120 Datasheet(HTML) 56 Page - Texas Instruments |
56 / 108 page TLV320DAC3120 SLAS659 – NOVEMBER 2009 www.ti.com Page 0 / Register 15: DAC IDAC_VAL(1) READ/ RESET BIT DESCRIPTION WRITE VALUE D7–D0 R/W 1000 0000 0000 0000: Number of instruction for DAC miniDSP engine, IDAC = 1024 0000 0001: Number of instruction for DAC miniDSP engine, IDAC = 4 0000 0010: Number of instruction for DAC miniDSP engine, IDAC = 8 ... 1111 1101: Number of instruction for DAC miniDSP engine, IDAC = 1012 1111 1110: Number of instruction for DAC miniDSP engine, IDAC = 1016 1111 1111: Number of instruction for DAC miniDSP engine, IDAC = 1020 (1) IDAC should be an integral multiple of the interpolation in the DAC miniDSP engine (specified in register 16). Page 0 / Register 16: DAC miniDSP Engine Interpolation READ/ RESET BIT DESCRIPTION WRITE VALUE D7–D4 R/W 0000 Reserved. Do not write to these registers. D3–D0 R/W 1000 0000: Interpolation ratio in DAC miniDSP engine = 16 0001: Interpolation ratio in DAC miniDSP engine = 1 0010: Interpolation ratio in DAC miniDSP engine = 2 ... 1101: Interpolation ratio in DAC miniDSP engine = 13 1110: Interpolation ratio in DAC miniDSP engine = 14 1111: Interpolation ratio in DAC miniDSP engine = 15 Page 0 / Registers 17–24: Reserved READ/ RESET BIT DESCRIPTION WRITE VALUE D7–D0 R/W XXXX XXXX Reserved. Do not write to these registers. Page 0 / Registers 25: CLKOUT MUX READ/ RESET BIT DESCRIPTION WRITE VALUE D7–D3 R/W 0000 0 Reserved D2–D0 R/W 000 000: CDIV_CLKIN = MCLK (device pin) 001: CDIV_CLKIN = BCLK (device pin) 010: CDIV_CLKIN = DIN (can be used for the systems where DAC is not required) 011: CDIV_CLKIN = PLL_CLK (generated on-chip) 100: CDIV_CLKIN = DAC_CLK (DAC DSP clock - generated on-chip) 101: CDIV_CLKIN = DAC_MOD_CLK (generated on-chip) 110: Reserved 111: Reserved Page 0 / Registers 26: CLKOUT M_VAL READ/ RESET BIT DESCRIPTION WRITE VALUE D7 R/W 0 0: CLKOUT M divider is powered down. 1: CLKOUT M divider is powered up. D6–D0 R/W 000 0001 000 0000: CLKOUT divider M = 128 000 0001: CLKOUT divider M = 1 000 0010: CLKOUT divider M = 2 ... 111 1110: CLKOUT divider M = 126 111 1111: CLKOUT divider M = 127 56 REGISTER MAP Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TLV320DAC3120 |
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