CC2400_07 Datasheet, PDF (13/83 Pages) Texas Instruments – 2.4 GHz Low-Power RF Transceiver

14 Pin Assignment
CC2400
VCO_GUARD 1
AVDD_VCO 2
AVDD_PRE 3
AVDD_RF1 ⁴
GND 5
RF_P 6
TXRX_SWITCH ⁷
RF_N 8
GND 9
AVDD_SW 10
NC 11
NC 12
CC^Q7L2_xP4₇₄0⁸0
36 NC
35 GIO6
34 SO
33 SI
32 SCLK
31 CSn
30 DCLK/FIFO
29 DIO/PKT
28 TX
27 RX
26 DVDD1.8
25 DVDD3.3
AGND
Exposed die
attach pad
Figure 1 CC2400 Top View
Pin no.
Pin name
-
AGND
1 VCO_GUARD
2 AVDD_VCO
3 AVDD_PRE
4 AVDD_RF1
5 GND
6 RF_P
7 TXRX_SWITCH
8 RF_N
9 GND
10 AVDD_SW
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)
Description
Exposed die attach pad. Must be connected to solid ground
plane
Connection of guard ring for VCO shielding
Power supply for VCO
Power supply for Prescaler
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 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
Power supply connection
SWRS042A
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