nRF2401 Nordic VLSI, nRF2401 Datasheet - Page 24

• Manufacturer Part Number: nRF2401
• Description: Single Chip 2.4GHz Radio Transceiver
• Manufacturer: Nordic VLSI

PRODUCT SPECIFICATION
The following timing applies for operation of nRF2401.
When the nRF2401 is in power down it must always settle in stand-by (Tpd2sby)
before it can enter configuration or one of the active modes.
Nordic VLSI ASA
Revision: 1.0
PWR_DWN Î ST_BY mode
PWR_DWNÎ Active mode (RX/TX)
ST_BY Î TX ShockBurst™
ST_BY Î TX Direct Mode
ST_BY Î RX mode
Minimum delay from CS to data.
Minimum delay from CE to data.
Minimum delay from DR1/2 to clk.
Maximum delay from clk to data.
Delay between edges
Setup time
Hold time
Delay to finish internal GFSK data
Minimum input clock high
Set-up of data in Direct Mode
Minimum clock high in Direct Mode
Minimum clock low in Direct Mode
Figure 12 Timing diagram for power down (or VDD off) to stand by mode
PWR_UP
DATA
CLK1
CE
-
CS
Vestre Rosten 81, N-7075 Tiller, Norway
Table 19 Switching times for nRF2401
Tpd2sby
for nRF2401.
Page 24 of 37
195 s
202 s
202 s
50ns
50ns
3ms
3ms
-
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1/data rate
500ns
500ns
500ns
300ns
230ns
50ns
50ns
5 s
5 s
Tpd2sby
Tpd2a
Tsby2txSB
Tsby2txDM
Tsby2rx
Tcs2data
Tce2data
Tdr2clk
Tclk2data
Td
Ts
Th
Tfd
Thmin
Tsdm
Thdm
Tldm
-
Fax [phone]
March 2003