CC2520_11 Datasheet, PDF (24/133 Pages) Texas Instruments – 2.4 GHZ IEEE 802.15.4/ZIGBEE RF TRANSCEIVER

CC2520 DATASHEET
2.4 GHZ IEEE 802.15.4/ZIGBEE® RF TRANSCEIVER
SWRS068 – DECEMBER 2007
Signal
RBIAS
RF_N
RF_P
XOSC32M_Q1
XOSC32M_Q2
AVDD
AVDD_GUARD
DCOUPL
DVDD
AGND
Pin # Type
23
Analog IO
19
RF IO
17
RF IO
13
Analog IO
12
Analog IO
11,
14,
16,
20, 22
24
27
8
Die
pad
Power
(Analog)
Power
(Analog)
Power
(Digital)
O
Power
(Digital)
Ground
(Analog)
Description
Analog
External precision bias resistor for reference current. 56 kΩ, ±1%
Negative RF input signal to LNA in receive mode
Negative RF output signal from PA in transmit mode
Positive RF input signal to LNA in receive mode
Positive RF output signal from PA in transmit mode
Crystal oscillator pin 1
Crystal oscillator pin 2
Power/ground
1.8 V to 3.8 V analog power supply connections
Power supply connection for digital noise isolation and digital voltage regulator.
1.6 V to 2.0 V digital power supply output for decoupling.
Note: this pin can not be used to supply any external devices.
1.8 V to 3.8 V digital power supply for digital pads.
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