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AD9175 Datasheet(PDF) 101 Page - Analog Devices |
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AD9175 Datasheet(HTML) 101 Page - Analog Devices |
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101 / 150 page  Data Sheet AD9175 Rev. A | Page 101 of 150 Addr. Name Bits Bit Name Settings Description Reset Access 0x116 DDSM_FTW2 [7:0] DDSM_FTW[23:16] Sets the main datapath NCO FTW. If DDSM_MODULUS_EN is low, the main datapath NCO frequency = fDAC × (DDSM_ FTW/248. If DDSM_MODULUS_EN is high, the main datapath NCO frequency = fDAC × (DDSM_FTW + DDSM_ACC_DELTA/DDSM_ ACC_MODULUS)/248. DDSM_ACC_DELTA must be > 0. DDSM_ACC_DELTA must be > DDSM_ACC_MODULUS. This control is paged by the MAINDAC_PAGE bits in Register 0x008. 0x0 R/W 0x117 DDSM_FTW3 [7:0] DDSM_FTW[31:24] Sets the main datapath NCO FTW. If DDSM_MODULUS_EN is low, the main datapath NCO frequency = fDAC × (DDSM_ FTW/248. If DDSM_MODULUS_EN is high, the main datapath NCO frequency = fDAC × (DDSM_FTW + DDSM_ACC_DELTA/DDSM_ ACC_MODULUS)/248. DDSM_ACC_DELTA must be > 0. DDSM_ACC_DELTA must be > DDSM_ACC_MODULUS. This control is paged by the MAINDAC_PAGE bits in Register 0x008. 0x0 R/W 0x118 DDSM_FTW4 [7:0] DDSM_FTW[39:32] Sets the main datapath NCO FTW. If DDSM_MODULUS_EN is low, the main datapath NCO frequency = fDAC × (DDSM_ FTW/248. If DDSM_MODULUS_EN is high, the main datapath NCO frequency = fDAC × (DDSM_FTW + DDSM_ACC_DELTA/DDSM_ ACC_MODULUS)/248. DDSM_ACC_DELTA must be > 0. DDSM_ACC_DELTA must be > DDSM_ACC_MODULUS. This control is paged by the MAINDAC_PAGE bits in Register 0x008. 0x0 R/W 0x119 DDSM_FTW5 [7:0] DDSM_FTW[47:40] Sets the main datapath NCO FTW. If DDSM_MODULUS_EN is low, the main datapath NCO frequency = fDAC × (DDSM_ FTW/248. If DDSM_MODULUS_EN is high, the main datapath NCO frequency = fDAC × (DDSM_FTW + DDSM_ACC_DELTA/DDSM_ ACC_MODULUS)/248. DDSM_ACC_DELTA must be > 0. DDSM_ACC_DELTA must be > DDSM_ACC_MODULUS. This control is paged by the MAINDAC_PAGE bits in Register 0x008. 0x0 R/W 0x11C DDSM_PHASE_ OFFSET0 [7:0] DDSM_NCO_ PHASE_OFFSET[7:0] Sets main datapath NCO phase offset. Code is in 16-bit, twos complement format. Degrees offset = 180 × (code/215. This control is paged by the MAINDAC_PAGE bits in Register 0x008. 0x0 R/W 0x11D DDSM_PHASE_ OFFSET1 [7:0] DDSM_NCO_ PHASE_ OFFSET[15:8] Sets main datapath NCO phase offset. Code is in 16-bit, twos complement format. Degrees offset = 180 × (code/215. This control is paged by the MAINDAC_PAGE bits in Register 0x008. 0x0 R/W |
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