PRELIMINARY PRODUCT SPECIFICATION
nRF24L01 Single Chip 2.4 GHz Radio Transceiver
Tcwh
CSN
Tcc
Tch
Tcl
Tcch
SCK
Tdh
Tdc
C7
C6
C0
MOSI
MISO
Tcsd
Tcd
Tcdz
S7
S0
Figure 10 SPI NOP timing diagram.
PARAMETER
SYMBOL
Tdc
MIN
2
2
MAX
UNITS
ns
Data to SCK Setup
SCK to Data Hold
CSN to Data Valid
SCK to Data Valid
SCK Low Time
Tdh
Tcsd
Tcd
Tcl
Tch
Fsck
Tr,Tf
Tcc
Tcch
Tcwh
Tcdz
ns
ns
ns
ns
ns
MHz
ns
ns
ns
33
52
40
40
0
SCK High Time
SCK Frequency
10
tbd
SCK Rise and Fall
CSN to SCK Setup
SCK to CSN Hold
CSN Inactive time
CSN to Output High Z
2
2
50
ns
ns
33
Table 9 SPI timing parameters (Cload = 5pF).
PARAMETER
SYMBOL
Tdc
MIN
2
2
MAX
UNITS
ns
Data to SCK Setup
SCK to Data Hold
CSN to Data Valid
SCK to Data Valid
SCK Low Time
Tdh
Tcsd
Tcd
Tcl
Tch
Fsck
Tr,Tf
Tcc
Tcch
Tcwh
Tcdz
ns
ns
ns
ns
ns
MHz
ns
ns
ns
38
54
40
40
0
SCK High Time
SCK Frequency
10
tbd
SCK Rise and Fall
CSN to SCK Setup
SCK to CSN Hold
CSN Inactive time
CSN to Output High Z
2
2
50
ns
ns
38
Table 10 SPI timing parameters (Cload = 10pF).
Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway
Revision: 1.1
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Phone +4772898900
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Fax +4772898989
November 2005
Page 20 of 38
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