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NRF52810-QCAA-R7 Datasheet(PDF) 284 Page - Nordic Semiconductor |
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NRF52810-QCAA-R7 Datasheet(HTML) 284 Page - Nordic Semiconductor |
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284 / 483 page  Peripherals 6.13.7.15 LEDPRE Address offset: 0x540 Time period the LED is switched ON prior to sampling 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 A A A A A A A A Reset 0x00000010 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 1 0 0 0 0 Id RW Field Value Id Value Description A RW LEDPRE [1..511] Period in us the LED is switched on prior to sampling 6.13.7.16 ACCDBL Address offset: 0x544 Register accumulating the number of detected double transitions 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 A A 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 RW Field Value Id Value Description A R ACCDBL [0..15] Register accumulating the number of detected double or illegal transitions. ( SAMPLE = 2 ). When this register has reached its maximum value the accumulation of double / illegal transitions will stop. An overflow event ( ACCOF ) will be generated if any double or illegal transitions are detected after the maximum value was reached. This field is cleared by triggering the READCLRACC or RDCLRDBL task. 6.13.7.17 ACCDBLREAD Address offset: 0x548 Snapshot of the ACCDBL, updated by the READCLRACC or RDCLRDBL task 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 A A 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 RW Field Value Id Value Description A R ACCDBLREAD [0..15] Snapshot of the ACCDBL register. This field is updated when the READCLRACC or RDCLRDBL task is triggered. 6.13.8 Electrical specification 6.13.8.1 QDEC Electrical Specification Symbol Description Min. Typ. Max. Units tSAMPLE Time between sampling signals from quadrature decoder 128 131072 µs tLED Time from LED is turned on to signals are sampled 0 511 µs 4430_161 v1.0 284 |
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