CC2420 Chipcon AS, CC2420 Datasheet - Page 44

• Manufacturer Part Number: CC2420
• Description: 2.4 GHz RF Transceiver for IEEE 802.15.4 and ZigBee
• Manufacturer: Chipcon AS

The MIC is generated and verified very
much like with CBC-MAC described
above. The only differences are from the
requirements in [1] for CCM.
Chipcon AS SmartRF ® CC2420 Preliminary Datasheet (rev 1.0), 2003-11-17
Mode
CCM
CTR
CBC
Stand-
alone
Table 8. Security timing examples
l(a)
50
-
17
-
l(m)
69
15
98
16
SmartRF
Timing
Table 8 shows some examples of the time
used by the security module for different
operations.
l(MIC)
8
-
12
-
Time
[us]
222
99
99
14
®
CC2420
Page 44 of 85