CC2543 Datasheet, PDF (14/29 Pages) Texas Instruments – System-on-Chip for 2.4-GHz RF Applications

CC2543
SWRS107B – APRIL 2012 – REVISED MAY 2012
www.ti.com
NAME
RF_N
VSS
VDD
VDD
RBIAS
P1_2
P1_1
P1_0
VDD
DCPL1
VSS
P1_4
VSS
Table 1. Pin Description Table (continued)
PIN
PIN TYPE
21 RF I/O
22
23
24
25
26
27
28
29
30
31
32
Ground
pad
Unused pin
Power (analog)
Power (analog)
Analog I/O
Digital I/O
Digital I/O
Digital I/O
Power (analog)
Power (digital)
Unused pin
Digital I/O
Ground
DESCRIPTION
Negative RF input signal to LNA during RX
Negative RF output signal from PA during TX
Connect to ground
2-V–3.6-V analog power-supply connection
2-V–3.6-V analog power-supply connection
External precision bias resistor for reference current
Port 1.2, 20 mA
Port 1.1, 20 mA
Port 1.0, 20 mA
2-V–3.6-V analog power-supply connection
1.8-V digital power-supply decoupling. Do not use for supplying external circuits.
Connect to ground
Port 1.4
Must be connected to solid ground as this is the main ground connection for the chip. See
Pinout Diagram.
14
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