CC2540T Datasheet, PDF (6/37 Pages) Texas Instruments – Extended Industrial Temperature Bluetooth Smart Wireless MCU

CC2540T
SWRS172A – JULY 2014 – REVISED NOVEMBER 2015
www.ti.com
3.1 Pin Attributes
NAME
AVDD1
AVDD2
AVDD3
AVDD4
AVDD5
AVDD6
DCOUPL
DGND_USB
DVDD_USB
DVDD1
DVDD2
GND
P0_0
P0_1
P0_2
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
USB_N
USB_P
XOSC_Q1
XOSC_Q2
Table 3-1. Pin Attributes
NO.
TYPE
DESCRIPTION
28
Power (analog) 2-V to 3.6-V analog power-supply connection
27
Power (analog) 2-V to 3.6-V analog power-supply connection
24
Power (analog) 2-V to 3.6-V analog power-supply connection
29
Power (analog) 2-V to 3.6-V analog power-supply connection
21
Power (analog) 2-V to 3.6-V analog power-supply connection
31
Power (analog) 2-V to 3.6-V analog power-supply connection
40
Power (digital)
1.8-V digital power-supply decoupling. Do not use for supplying external
circuits.
1
Ground pin
Connect to GND
4
Power (digital)
2-V to 3.6-V digital power-supply connection
39
Power (digital)
2-V to 3.6-V digital power-supply connection
10
Power (digital)
2-V to 3.6-V digital power-supply connection
—
Ground
The ground pad must be connected to a solid ground plane.
19
Digital I/O
Port 0.0
18
Digital I/O
Port 0.1
17
Digital I/O
Port 0.2
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
3
Digital I/O
USB N
2
Digital I/O
USB P
22
Analog I/O
32-MHz crystal oscillator pin 1 or external-clock input
23
Analog I/O
32-MHz crystal oscillator pin 2
6
Terminal Configuration and Functions
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