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AD9174 Datasheet(PDF) 111 Page - Analog Devices |
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AD9174 Datasheet(HTML) 111 Page - Analog Devices |
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111 / 164 page  Data Sheet AD9174 Rev. A | Page 111 of 164 Addr. Name Bits Bit Name Settings Description Reset Access 0x13B DDSC_ACC_ MODULUS1 [7:0] DDSC_ACC_ MODULUS[15:8] Sets DDSC_ACC_MODULUS. If DDSC_ MODULUS_EN is high, the main datapath NCO frequency = fDAC × (DDSC_FTW + DDSC_ACC_DELTA/DDSC_ACC_MODULUS)/ 248. DDSC_ACC_DELTA must be > 0. DDSC_ACC_DELTA must be > DDSC_ACC_ MODULUS. This control is paged by the CHANNEL_PAGE bits in Register 0x008. 0x0 R/W 0x13C DDSC_ACC_ MODULUS2 [7:0] DDSC_ACC_ MODULUS[23:16] Sets DDSC_ACC_MODULUS. If DDSC_ MODULUS_EN is high, the main datapath NCO frequency = fDAC × (DDSC_FTW + DDSC_ACC_DELTA/DDSC_ACC_MODULUS)/ 248. DDSC_ACC_DELTA must be > 0. DDSC_ ACC_DELTA must be > DDSC_ACC_ MODULUS. This control is paged by the CHANNEL_PAGE bits in Register 0x008. 0x0 R/W 0x13D DDSC_ACC_ MODULUS3 [7:0] DDSC_ACC_ MODULUS[31:24] Sets DDSC_ACC_MODULUS. If DDSC_ MODULUS_EN is high, the main datapath NCO frequency = fDAC × (DDSC_FTW + DDSC_ACC_DELTA/DDSC_ACC_MODULUS)/ 248. DDSC_ACC_DELTA must be > 0. DDSC_ACC_DELTA must be > DDSC_ACC_ MODULUS. This control is paged by the CHANNEL_PAGE bits in Register 0x008. 0x0 R/W 0x13E DDSC_ACC_ MODULUS4 [7:0] DDSC_ACC_ MODULUS[39:32] Sets DDSC_ACC_MODULUS. If DDSC_ MODULUS_EN is high, the main datapath NCO frequency = fDAC × (DDSC_FTW + DDSC_ACC_DELTA/DDSC_ACC_MODULUS)/ 248. DDSC_ACC_DELTA must be > 0. DDSC_ACC_DELTA must be > DDSC_ACC_ MODULUS. This control is paged by the CHANNEL_PAGE bits in Register 0x008. 0x0 R/W 0x13F DDSC_ACC_ MODULUS5 [7:0] DDSC_ACC_ MODULUS[47:40] Sets DDSC_ACC_MODULUS. If DDSC_ MODULUS_EN is high, the main datapath NCO frequency = fDAC × (DDSC_FTW + DDSC_ACC_DELTA/DDSC_ACC_MODULUS)/ 248. DDSC_ACC_DELTA must be > 0. DDSC_ACC_DELTA must be > DDSC_ACC_ MODULUS. This control is paged by the CHANNEL_PAGE bits in Register 0x008. 0x0 R/W 0x140 DDSC_ACC_DELTA0 [7:0] DDSC_ACC_ DELTA[7:0] Sets DDSC_ACC_DELTA. If DDSC_ MODULUS_EN is high, the main datapath NCO frequency = fDAC × (DDSC_FTW + DDSC_ACC_DELTA/DDSC_ACC_MODULUS)/ 248. DDSC_ACC_DELTA must be > 0. DDSC_ ACC_DELTA must be > DDSC_ACC_ MODULUS. This control is paged by the CHANNEL_PAGE bits in Register 0x008. 0x0 R/W 0x141 DDSC_ACC_ DELTA1 [7:0] DDSC_ACC_ DELTA[15:8] Sets DDSC_ACC_DELTA. If DDSC_ MODULUS_EN is high, the main datapath NCO frequency = fDAC × (DDSC_FTW + DDSC_ACC_DELTA/DDSC_ACC_MODULUS)/ 248. DDSC_ACC_DELTA must be > 0. DDSC_ ACC_DELTA must be > DDSC_ACC_ MODULUS. This control is paged by the CHANNEL_PAGE bits in Register 0x008. 0x0 R/W |
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