CC2480A1 Datasheet, PDF (18/48 Pages) Texas Instruments – Z-Accel 2.4 GHz ZigBee® Processor

CC2480
Table 18: Pinout overview
Pin Pin name
Pin type
Description
-
GND
Ground
The exposed die attach pad must be connected to a solid ground plane
1
NC
N/A
2
NC
N/A
3
GPIO3
Digital I/O
General I/O pin 3
4
GPIO2
Digital I/O
General I/O pin 2
5
SRDY
Digital Output Slave ready. Mandatory for SPI, optional for UART.
6
MRDY
Digital Input
Master ready. Optional for SPI and UART.
7
DVDD
Power (Digital) 2.0V-3.6V digital power supply for digital I/O
8
GPIO1
Digital I/O
General I/O pin 1 – increased drive capability
9
GPIO0
Digital I/O
General I/Opin 0 – increased drive capability
10 RESET_N
Digital input
Reset, active low
11 CFG0
Digital Input
Configuration input 0
12 CFG1
Digital Input
Configuration input 1
13 SO/RX
Digital Input
SPI slave output or UART RX data
14 SI/TX
Digital Output SPI slave input or UART TX data
15 SS/CT
Digital I/O
SPI slave select (in) or UART CTS (out)
16 C/RT
Digital Input
SPI clock or UART RTS
17 A0
Analog Input ADC input A0
18 A1
Analog Input ADC input A1
19 XOSC_Q2
Analog I/O
32 MHz crystal oscillator pin 2
20 AVDD_SOC
Power (Analog) 2.0V-3.6V analog power supply connection
21 XOSC_Q1
Analog I/O
32 MHz crystal oscillator pin 1, or external clock input
22 RBIAS1
Analog I/O
External precision bias resistor for reference current
23 AVDD_RREG
Power (Analog) 2.0V-3.6V analog power supply connection
24 RREG_OUT
Power output
1.8V Voltage regulator power supply output. Only intended for supplying the analog
1.8V part (power supply for pins 25, 27-31, 35-40).
25 AVDD_IF1
Power (Analog) 1.8V Power supply for the receiver band pass filter, analog test module, global bias
and first part of the VGA
26 RBIAS2
Analog output External precision resistor, 43 kΩ, ±1 %
27 AVDD_CHP
Power (Analog) 1.8V Power supply for phase detector, charge pump and first part of loop filter
28 VCO_GUARD Power (Analog) Connection of guard ring for VCO (to AVDD) shielding
29 AVDD_VCO
Power (Analog) 1.8V Power supply for VCO and last part of PLL loop filter
30 AVDD_PRE
Power (Analog) 1.8V Power supply for Prescaler, Div-2 and LO buffers
31 AVDD_RF1
Power (Analog) 1.8V Power supply for LNA, front-end bias and PA
32 RF_P
RF I/O
Positive RF input signal to LNA during RX. Positive RF output signal from PA during
TX
33 TXRX_SWITCH Power (Analog) Regulated supply voltage for PA
34 RF_N
RF I/O
Negative RF input signal to LNA during RX
Negative RF output signal from PA during TX
35 AVDD_SW
Power (Analog) 1.8V Power supply for LNA / PA switch
36 AVDD_RF2
Power (Analog) 1.8V Power supply for receive and transmit mixers
37 AVDD_IF2
Power (Analog) 1.8V Power supply for transmit low pass filter and last stages of VGA
38 AVDD_ADC
Power (Analog) 1.8V Power supply for analog parts of ADCs and DACs
39 DVDD_ADC
Power (Digital) 1.8V Power supply for digital parts of ADCs
40 AVDD_DGUARD Power (Digital) Power supply connection for digital noise isolation
41 AVDD_DREG
Power (Digital) 2.0V-3.6V digital power supply for digital core voltage regulator
42 DCOUPL
Power (Digital) 1.8V digital power supply decoupling. Do not use for supplying external circuits.
43 32K_XOSC_Q2 Analog I/O
32.768 kHz XOSC
44 32K_XOSC_Q1 Analog I/O
32.768 kHz XOSC
45 NC
N/A
46 NC
N/A
47 DVDD
Power (Digital) 2.0V-3.6V digital power supply for digital I/O
48 NC
N/A
CC2480 Data Sheet SWRS074A
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