CC2420 Chipcon AS, CC2420 Datasheet - Page 61

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

Address
0x3E
0x3F
R/W - Read/write (control/status), R - Read only, W – Write only, S – Command Strobe (perform action upon access)
MAIN (0x10) - Main Control Register
15
14
13
12
11
10:1
0
Chipcon AS SmartRF ® CC2420 Preliminary Datasheet (rev 1.0), 2003-11-17
Bit
Field Name
RESETn
ENC_RESETn
DEMOD_RESETn
MOD_RESETn
FS_RESETn
-
XOSC16M_BYPASS
Register
TXFIFO
RXFIFO
Table 11. Configuration registers overview
Register type
W
R/W
Reset
1
1
1
1
1
0
0
Description
Transmit FIFO Byte Register
Receiver FIFO Byte Register
R/W
R/W
R/W
R/W
R/W
R/W
W0
R/W
SmartRF
Description
Active low reset of entire circuit, should be applied before doing
anything else. Equivalent to using the RESETn reset pin.
Active low reset of the encryption module. (Test purposes only)
Active low reset of the demodulator module. (Test purposes
only)
Active low reset of the modulator module. (Test purposes only)
Active low reset of the frequency synthesizer module. (Test
purposes only)
Reserved, write as 0
Bypasses the crystal oscillator and uses a buffered version of the
signal on Q1 directly. This can be used to apply an external rail-
rail clock signal to the Q1 pin.
®
CC2420
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