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DAC39RF10 Datasheet(PDF) 174 Page - Texas Instruments |
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DAC39RF10 Datasheet(HTML) 174 Page - Texas Instruments |
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174 / 232 page  Table 8-69. TX_EN_SEL Register Field Descriptions (continued) Bit Field Type Reset Description 0 USE_TX_EN0 R/W 1b 0: DACA is controlled by the TXEN0 ball. In this mode, TX_EN0 register is ignored. 1: DACA is controlled by the TX_EN0 register. In this mode the TXEN0 ball input does not affect the transmit enable for DACA. Note: USE_TX_EN1 and USE_TX_EN0 should be programmed to the same value (individual channel control is not supported). 8.66 TX_EN Register (Offset = 02F9h) [reset = 03h] TX_EN is shown in Figure 8-68 and described in Table 8-70. Return to the Register Summary Table. Transmitter Enable Control Figure 8-68. TX_EN Register 7 6 5 4 3 2 1 0 TX_EN1 TX_EN0 R/W-00h R/W-1b R/W-1b Table 8-70. TX_EN Register Field Descriptions Bit Field Type Reset Description 7-2 RESERVED R/W 00h 1 TX_EN1 R/W 1b When USE_TX_EN1 = 1, this bit controls the transmit enable for DACB. Note: TX_EN1 and TX_EN0 should be programmed to the same value (individual channel control is not supported). 0 TX_EN0 R/W 1b When USE_TX_EN0 = 1, this bit controls the transmit enable for DACA Note: TX_EN1 and TX_EN0 should be programmed to the same value (individual channel control is not supported). 8.67 NCO_CTRL Register (Offset = 0300h) [reset = 00h] NCO_CTRL is shown in Figure 8-69 and described in Table 8-71. Return to the Register Summary Table. Note: This register should only be changed when DP_EN=0. NCO Enable Figure 8-69. NCO_CTRL Register 7 6 5 4 3 2 1 0 FR_EN RESERVED NCO_SC DDS_EN NCO_EN R/W-0b R/W-0h R/W-0b R/W-0b R/W-0b Table 8-71. NCO_CTRL Register Field Descriptions Bit Field Type Reset Description 7 FR_EN R/W 0b When set, the Fast Reconfiguration (FR) interface is enabled and NCO frequency, phase, dither, and accumulator reset is controlled by the FR registers rather than the SPI registers. 6-3 RESERVED R/W 0h DAC39RF10-SP, DAC39RF10-SEP DAC39RFS10-SP, DAC39RFS10-SEP SBAS932A – MARCH 2024 – REVISED FEBRUARY 2026 www.ti.com 174 Submit Document Feedback Copyright © 2026 Texas Instruments Incorporated Product Folder Links: DAC39RF10-SP DAC39RF10-SEP DAC39RFS10-SP DAC39RFS10-SEP |
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