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NRF52811-QCAA-R bảng dữ liệu(PDF) 133 Page - Nordic Semiconductor |
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NRF52811-QCAA-R bảng dữ liệu(HTML) 133 Page - Nordic Semiconductor |
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133 / 444 page  Peripherals Register Offset Description TASKS_START 0x000 Starts continuous PDM transfer TASKS_STOP 0x004 Stops PDM transfer EVENTS_STARTED 0x100 PDM transfer has started EVENTS_STOPPED 0x104 PDM transfer has finished EVENTS_END 0x108 The PDM has written the last sample specified by SAMPLE.MAXCNT (or the last sample after a STOP task has been received) to Data RAM INTEN 0x300 Enable or disable interrupt INTENSET 0x304 Enable interrupt INTENCLR 0x308 Disable interrupt ENABLE 0x500 PDM module enable register PDMCLKCTRL 0x504 PDM clock generator control MODE 0x508 Defines the routing of the connected PDM microphones' signals GAINL 0x518 Left output gain adjustment GAINR 0x51C Right output gain adjustment PSEL.CLK 0x540 Pin number configuration for PDM CLK signal PSEL.DIN 0x544 Pin number configuration for PDM DIN signal SAMPLE.PTR 0x560 RAM address pointer to write samples to with EasyDMA SAMPLE.MAXCNT 0x564 Number of samples to allocate memory for in EasyDMA mode Table 46: Register overview 6.10.7.1 TASKS_START Address offset: 0x000 Starts continuous PDM transfer Bit number 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 ID A Reset 0x00000000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ID Access Field Value ID Value Description A W TASKS_START Starts continuous PDM transfer Trigger 1 Trigger task 6.10.7.2 TASKS_STOP Address offset: 0x004 Stops PDM transfer Bit number 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 ID A Reset 0x00000000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ID Access Field Value ID Value Description A W TASKS_STOP Stops PDM transfer Trigger 1 Trigger task 6.10.7.3 EVENTS_STARTED Address offset: 0x100 PDM transfer has started 4454_140 v1.0 133 |
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