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CC11x1-Q1
SWRS076B–11-07-22-013 - APRIL 2009–REVISED APRIL 2010
www.ti.com
Table 3-1. Terminal Functions
TERMINAL
TYPE DESCRIPTION
NO. NAME
1 GND Ground (Analog) Analog ground connection
Power Input
2 DCOUPL2 1.6-V to 2-V digital power supply input for decoupling
(Digital )
Digital output pin for general use:
• Test signals
• FIFO status signals
• Clear Channel Indicator
3 GDO0 (ATEST) Digital I/O
• Clock output, down-divided from XOSC
• Serial output RX data
• Serial input TX data
Also used as analog test I/O for prototype and production testing.
4 CS Digital Input Serial configuration interface, chip select
5 XOSC_Q1 Analog I/O Crystal oscillator pin 1, or external clock input
6 AVDD_IF Power (Analog) 1.8-V to 3.6-V analog power supply connection
7 XOSC_Q2 Analog I/O Crystal oscillator pin 2
8 GND Ground (Analog) Analog ground connection
9 AVDD_RF1 Power (Analog) 1.8-V to 3.6-V analog power supply connection
10 GND Ground (Analog) Analog ground connection
11 AVDD_RF2 Power (Analog) 1.8-V to 3.6-V analog power supply connection
Positive RF input signal to LNA in receive mode. Positive RF output signal from PA in
12 RF_P RF I/O
transmit mode
Negative RF input signal to LNA in receive mode. Negative RF output signal from PA in
13 RF_N RF I/O
transmit mode
14 GND Ground (Analog) Analog ground connection
15 AVDD_RF3 Power (Analog) 1.8-V to 3.6-V analog power supply connection
16 NC Not connected
17 NC Not connected
18 AVDD_CHP Power (Analog) 1.8-V to 3.6-V analog power supply connection
19 GND Ground (Analog) Analog ground connection
20 RBIAS Analog I/O External precision bias resistor for reference current
21 AVDD_GUARD Power (Digital) Power supply connection for digital noise isolation
22 AGND_GUARD Ground (Digital) Ground connection for digital noise isolation
23 SI Digital Input Serial configuration interface, data input
24 NC Not connected
25 SCLK Digital Input Serial configuration interface, clock input
26 SO (GDO1) Digital Output Serial configuration interface, data output. Optional general output pin when CS is high.
27 TEST_MODE Digital Input GND enables and NC disables on-chip data scrambling. Internal pullup resistor.
Digital output pin for general use:
• Test signals
• FIFO status signals
28 GDO2 Digital Output
• Clear channel indicator
• Clock output, down-divided from XOSC
• Serial output RX data
29 GND Ground (Analog) Analog ground connection
30 DVDD1
Power (Digital) 1.8-V to 3.6-V digital power supply for digital I/Os and for digital core voltage regulator
31 DVDD2
1.6-V to 1.8-V digital power supply output for digital core / decoupling.
Output regulator
32 DCOUPL1 NOTE: This pin is intended to supply only the CC11x1-Q1 chip. It cannot be used to provide
digital core
supply voltage to other devices.
18 Detailed Description Copyright © 2009–2010, Texas Instruments Incorporated
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