CC2400 Chipcon AS, CC2400 Datasheet - Page 32

• Manufacturer Part Number: CC2400
• Description: 2.4 GHz RF Transceiver
• Manufacturer: Chipcon AS

Power Management Flow Chart
CC2400
management in order to meet strict power
consumption
operated applications.
After reset the
mode. All configuration registers can then
be programmed in order to make the chip
ready to operate at the correct frequency,
data rate and mode. Due to the very fast
start-up time, the
Power Down until a transmission session
is requested.
Figure 15 shows a typical power-on and
initializing sequence. After this initializing
sequence the chip is in Power Down mode
Chipcon AS
offers great flexibility for power
SmartRF
requirements
CC2400
CC2400
®
CC2400 PRELIMINARY Datasheet (rev. 1.1), 2003-10-02
is in Power Down
can remain in
in
Figure 15. Initializing sequence
Program all registers that are
different from reset value
battery-
MAIN = 0x0000
MAIN = 0x8000
Power Down
Power off
Reset:
Supply power turned on
SmartRF
with very low power consumption and the
crystal oscillator is not running.
Figure 16 shows the sequence for
entering RX or TX mode. The flow chart
illustrates the simplest way to send a data
packet
registers. After one or more data packets
are transmitted or received, the chip is
again set to Power Down mode.
During chip initialization a few registers
need to be programmed to other values
than their reset values. SmartRF
should be used to find/generate the
required configuration data for these
registers.
using
the
®
strobe
CC2400
Page 32 of 73
command
®
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