CC2400 Chipcon AS, CC2400 Datasheet - Page 27

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

Chipcon AS
FIFO in RX:
FIFO in TX:
Figure 9. Ways in which the FIFO can be used during transmit mode
SmartRF
a)
b)
c)
d)
e)
a
f
Starting RX.
Data received, starting to fill FIFO.
FIFO HI-limit reached.
First byte read from FIFO.
FIFO full. RF turned off.
®
b
g
CC2400 PRELIMINARY Datasheet (rev. 1.1), 2003-10-02
Data already sent
to packet engine
Figure 10. FIFO pin timing diagram
c d
h i
Data to
packet
engine
FIFO
a) Single packet in FIFO
FIFO
b) Packet longer than FIFO
SmartRF
c d
h i
f)
g)
h)
i)
j)
Filling FIFO.
Starting TX.
FIFO LO-limit reached.
First byte written to FIFO.
FIFO empty. Append CRC if
applicable, send, and turn RF off.
f rom MCU
pending
Data
f rom
MCU
Data
c d
h i
®
CC2400
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c
h
e
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