CC2420 Chipcon AS, CC2420 Datasheet - Page 13

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

Pin Assignment
Pin
-
1
2
3
4
5
6
7
8
9
10
11
12
13
Chipcon AS SmartRF® CC2420 Preliminary Datasheet (rev 1.0), 2003-11-17
Pin Name
AGND
VCO_GUARD
AVDD_VCO
AVDD_PRE
AVDD_RF1
GND
RF_P
TXRX_SWITCH
RF_N
GND
AVDD_SW
NC
NC
NC
TXRX_SWITCH
VCO_GUARD
AVDD_VCO
AVDD_PRE
AVDD_RF1
AVDD_SW
RF_N
RF_P
GND
GND
NC
NC
12
1
2
3
4
5
6
7
8
9
10
11
Pin type
Ground (analog)
Power (analog)
Power (analog)
Power (analog)
Power (analog)
Ground (analog)
RF I/O
Power (analog)
RF I/O
Ground (analog)
Power (analog)
-
-
-
Figure 1.
CC2420
CC2420
Pin Description
Exposed die attach pad. Must be connected to solid ground
plane
Connection of guard ring for VCO (to AVDD) shielding
1.8 V Power supply for VCO
1.8 V Power supply for Prescaler
1.8 V Power supply for RF front-end
Grounded pin for RF shielding
Positive RF input/output signal to LNA/from PA in
receive/transmit mode
Common supply connection for integrated RF front-end. Must
be connected to RF_P and RF_N externally through a DC
path
Negative RF input/output signal to LNA/from PA in
receive/transmit mode
Grounded pin for RF shielding
1.8 V Power supply for LNA / PA switch
Not Connect
Not Connect
Not Connect
QLP48
7x7
Pinout – Top View
SmartRF
®
36
35
34
33
32
31
30
29
28
27
26
25
Exposed die
attach pad
AGND
CC2420
DVDD_RAM
SO
SI
SCLK
CSn
FIFOP
CCA
DVDD1.8
DVDD3.3
FIFO
SFD
NC
Page 13 of 85