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NRF51802-QFAA-R 데이터시트(PDF) 39 Page - Nordic Semiconductor

부품명 NRF51802-QFAA-R
상세설명  Multiprotocol Bluetooth® low energy/2.4 GHz RF System on Chip
PDF  85 Pages
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제조업체  NORDIC [Nordic Semiconductor]
홈페이지  https://www.nordicsemi.com/
Logo NORDIC - Nordic Semiconductor

NRF51802-QFAA-R 데이터시트(HTML) 39 Page - Nordic Semiconductor

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Page 39
nRF51802 Product Specification v1.2
8.1.6
32.768 kHz RC oscillator (32k RCOSC)
Table 24 32.768 kHz RC oscillator
8.1.7
32.768 kHz Synthesized oscillator (32k SYNT)
Table 25 32.768 kHz Synthesized oscillator
Symbol
Description
Note
Min.
Typ.
Max.
Units
Test
level
fNOM,RC32k
Nominal frequency.
32.768
kHz
N/A
fTOL,RC32k
Frequency tolerance.
±2
%
3
fTOL,CAL,RC32k
Frequency tolerance.
Calibration interval 4 s
±250
ppm
1
IRC32k
Run current.
0.5
1.3
1.5
μA
1
tSTART,RC32k
Startup time.
390
487
μs
1
Symbol
Description
Note
Min.
Typ.
Max.
Units
Test
level
fNOM,SYNT32k
Nominal frequency.
32.768
kHz
1
fTOL,SYNT
Frequency tolerance.
fTOL,XO16M ±8
fTOL,XO32M ±8
ppm
1
ISYNT32k
Run and startup current for
32.768 kHz Synthesized clock
including the 16M XOSC.
15
μA
1
tSTART,SYNT32k
Startup time for 32.768 kHz
Synthesized clock.
406
μs
1



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