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NRF51802-QFAA-R Datasheet(PDF) 53 Page - Nordic Semiconductor

Part # NRF51802-QFAA-R
Description  Multiprotocol Bluetooth® low energy/2.4 GHz RF System on Chip
PDF  85 Pages
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Manufacturer  NORDIC [Nordic Semiconductor]
Direct Link  https://www.nordicsemi.com/
Logo NORDIC - Nordic Semiconductor

NRF51802-QFAA-R Datasheet(HTML) 53 Page - Nordic Semiconductor

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Page 53
nRF51802 Product Specification v1.2
8.9
Serial Peripheral Interface (SPI) Master specifications
Table 44 SPI specifications
Figure 12 SPI timing diagram, one byte transmission, SPI mode 0
Table 45 SPI timing parameters
Symbol
Description
Min.
Typ.
Max.
Units
Test
level
ISPI125K
Run current for SPI master at 125 kbps.
180
μA
1
ISPI4M
Run current for SPI master at 4 Mbps.
200
μA
1
fSPI
Bit rates for SPI.
0.125
4
Mbps
N/A
Symbol
Description
Note
Min.
Typ.
Max.
Units
Test
level
tDC
Data to SCK setup.
10
ns
1
tDH
SCK to Data hold.
10
ns
1
tCD
SCK to Data valid.
CLOAD = 10 pF
971
1. Increases/decreases with 1.2 ns/pF load.
ns
1
tCL
SCK Low time.
40
ns
1
tCH
SCK High time.
40
ns
1
fSCK
SCK Frequency.
0.125
4
MHz
1
tR,tF
SCK Rise and Fall time.
100
ns
1
b7
b6
b0
b7
b0
tCD
tDH
tDC
tCL
tCH
SCK
MISO
MOSI



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