CC2531F128 Datasheet, PDF (17/35 Pages) Texas Instruments – A USB-Enabled System-On-Chip Solution for 2.4-GHz IEEE 802.15.4 and ZigBee Applications

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PIN NAME
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
USB_N
USB_P
XOSC_Q1
XOSC_Q2
CC2531F128, CC2531F256
SWRS086A – SEPTEMBER 2009 – REVISED JUNE 2010
Pin Descriptions (continued)
PIN
PIN TYPE
DESCRIPTION
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
3
USB I/O
USB differential data minus (D–)
2
USB I/O
USB differential data plus (D+)
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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17
Product Folder Link(s): CC2531F128 CC2531F256