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DAC82002 bảng dữ liệu(PDF) 12 Page - Texas Instruments |
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DAC82002 bảng dữ liệu(HTML) 12 Page - Texas Instruments |
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12 / 22 page ![]() 7.6.1.2 SYNC Register (offset = 2h) [reset = 0300h] Figure 7-5. SYNC Register 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 RESERVED DAC-B- BRDCAST- EN DAC-A- BRDCAST- EN RESERVED DAC-B- SYNC-EN DAC-A- SYNC-EN W-0h W-1h W-1h W-0h W-0h W-0h Table 7-4. SYNC Register Field Descriptions Bit Field Type Reset Description 15-10 RESERVED W 0h These bits are reserved. 9 DAC-B-BRDCAST-EN W 1h When set to 1, the corresponding DAC is set to update the output after a serial interface write to the BRDCAST register. When cleared to 0, the corresponding DAC output remains unaffected after a serial interface write to the BRDCAST register. 8 DAC-A-BRDCAST-EN W 1h When set to 1, the corresponding DAC is set to update the output after a serial interface write to the BRDCAST register. When cleared to 0, the corresponding DAC output remains unaffected after a serial interface write to the BRDCAST register. 7-2 RESERVED W 0h These bits are reserved. 1 DAC-B-SYNC-EN W 0h When set to 1, the DAC output is set to update in response to an LDAC trigger (synchronous mode). When cleared to 0, the DAC output is set to update immediately (asynchronous mode), default. 0 DAC-A-SYNC-EN W 0h When set to 1, the DAC output is set to update in response to an LDAC trigger (synchronous mode). When cleared to 0 ,the DAC output is set to update immediately (asynchronous mode), default. 7.6.1.3 TRIGGER Register (offset = 5h) [reset = 0000h] Figure 7-6. TRIGGER Register 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 RESERVED LDAC SOFT-RESET [3:0] W-0h W-0h W-0h Table 7-5. TRIGGER Register Field Descriptions Bit Field Type Reset Description 15-5 RESERVED W 0h These bits are reserved. 4 LDAC W 0h Set this bit to 1 to synchronously load the DACs that are set to synchronous mode in the SYNC register. This bit self-resets. 3-0 SOFT-RESET [3:0] W 0h When set to reserved code 1010, this bit resets the device to the default state. This bit self-resets. DAC82002 SBASAK1 – AUGUST 2022 www.ti.com 12 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: DAC82002 |
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