CC2420 Chipcon AS, CC2420 Datasheet - Page 71

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

MANFIDH (0x1F) - Manufacturer ID, Upper 16 Bit
15:12
11:0
FSMTC (0x20) - Finite state machine time constants
15:13
12:10
9:6
5:3
2:0
Chipcon AS SmartRF ® CC2420 Preliminary Datasheet (rev 1.0), 2003-11-17
Bit
Bit
Field Name
VERSION[3:0]
PARTNUM[15:4]
Field Name
TC_RXCHAIN2RX[2:0]
TC_SWITCH2TX[2:0]
TC_PAON2TX[3:0]
TC_TXEND2SWITCH[2:0]
TC_TXEND2PAOFF[2:0]
Reset
0
0
Reset
3
6
10
2
4
R/W
R
R
R/W
R/W
R/W
R/W
R/W
R/W
SmartRF
Description
Version number. Current number is 0.
The device part number. CC2420 has part number 0x002.
Description
The time in 5 us steps between the time the RX chain is enabled
and the demodulator and AGC is enabled. The RX chain is
started when the bandpass filter has been calibrated (after 6.5
symbol periods).
The time in advance the PA is powered up before enabling TX.
In µs.
The time in advance the RXTX switch is set high, before
enabling TX. In µs.
The time after the last chip in the packet is sent, and the rxtx
switch is disabled. in µs.
The time after the last chip in the packet is sent, and the PA is
set in power-down. Also the time at which the modulator is
disabled. In µs.
®
CC2420
Page 71 of 85