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NRF52820-QDAA-R Datasheet(PDF) 159 Page - Nordic Semiconductor

Part # NRF52820-QDAA-R
Description  nRF52820
PDF  437 Pages
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Manufacturer  NORDIC [Nordic Semiconductor]
Direct Link  https://www.nordicsemi.com/
Logo NORDIC - Nordic Semiconductor

NRF52820-QDAA-R Datasheet(HTML) 159 Page - Nordic Semiconductor

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Peripherals
6.11.7.18 REPORTPER
Address offset: 0x510
Number of samples to be taken before REPORTRDY and DBLRDY events can be generated
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
Access
Field
Value ID
Value
Description
A
RW REPORTPER
Specifies the number of samples to be accumulated in the
ACC register before the REPORTRDY and DBLRDY events can
be generated.
The report period in [µs] is given as: RPUS = SP * RP Where
RPUS is the report period in [µs/report], SP is the sample
period in [µs/sample] specified in SAMPLEPER, and RP is the
report period in [samples/report] specified in REPORTPER .
10Smpl
0
10 samples/report
40Smpl
1
40 samples/report
80Smpl
2
80 samples/report
120Smpl
3
120 samples/report
160Smpl
4
160 samples/report
200Smpl
5
200 samples/report
240Smpl
6
240 samples/report
280Smpl
7
280 samples/report
1Smpl
8
1 sample/report
6.11.7.19 ACC
Address offset: 0x514
Register accumulating the valid 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 A A A A A A A A A A A A A A A A A A A A A A A A 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
Access
Field
Value ID
Value
Description
A
R
ACC
[-1024..1023]
Register accumulating all valid samples (not double
transition) read from the SAMPLE register.
Double transitions ( SAMPLE = 2 ) will not be accumulated
in this register. The value is a 32 bit 2's complement value.
If a sample that would cause this register to overflow or
underflow is received, the sample will be ignored and
an overflow event ( ACCOF ) will be generated. The ACC
register is cleared by triggering the READCLRACC or the
RDCLRACC task.
6.11.7.20 ACCREAD
Address offset: 0x518
Snapshot of the ACC register, updated by the READCLRACC or RDCLRACC task
4463_156 v1.0
159



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