CC2531 Datasheet, PDF (15/32 Pages) Texas Instruments – A USB Enabled System-On-Chip Solution for 2.4-GHz IEEE 802.15.4 and ZigBee Applications

CC2531
www.ti.com ........................................................................................................................................................................................ SWRS086 – SEPTEMBER 2009
PIN NAME
P0_3
P0_4
P0_5
P0_6
P0_7
P1_0
P1_1
P1_2
P1_3
P1_4
P1_5
P1_6
P1_7
P2_0
P2_1
P2_2
P2_3/
XOSC32K_Q2
P2_4/
XOSC32K_Q1
RBIAS
RESET_N
RF_N
RF_P
XOSC_Q1
XOSC_Q2
Pin Descriptions (continued)
PIN
PIN TYPE
DESCRIPTION
16
Digital I/O
Port 0.3
15
Digital I/O
Port 0.4
14
Digital I/O
Port 0.5
13
Digital I/O
Port 0.6
12
Digital I/O
Port 0.7
11
Digital I/O
Port 1.0 – 20-mA drive capability
9
Digital I/O
Port 1.1 – 20-mA drive capability
8
Digital I/O
Port 1.2
7
Digital I/O
Port 1.3
6
Digital I/O
Port 1.4
5
Digital I/O
Port 1.5
38
Digital I/O
Port 1.6
37
Digital I/O
Port 1.7
36
Digital I/O
Port 2.0
35
Digital I/O
Port 2.1
34
Digital I/O
Port 2.2
33
Digital I/O,
Analog I/O
Port 2.3/32.768 kHz XOSC
32
Digital I/O,
Analog I/O
Port 2.4/32.768 kHz XOSC
30
Analog I/O
External precision bias resistor for reference current
20
Digital input
Reset, active-low
26
RF I/O
Negative RF input signal to LNA during RX
Negative RF output signal from PA during TX
25
RF I/O
Positive RF input signal to LNA during RX
Positive RF output signal from PA during TX
22
Analog I/O
32-MHz crystal oscillator pin 1 or external-clock input
23
Analog I/O
32-MHz crystal oscillator pin 2
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