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CC2550-RTY1 数据表(PDF) 9 Page - Texas Instruments

部件名 CC2550-RTY1
功能描述  Low-Cost Low-Power 2.4 GHz RF Transmitter
PDF  62 Pages
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制造商  TI2 [Texas Instruments]
网页  https://www.ti.com
标志 TI2 - Texas Instruments

CC2550-RTY1 数据表(HTML) 9 Page - Texas Instruments

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CC2550
SWRS039B
Page 9 of 58
5
Pin Configuration
GND
Exposed die
attach pad
5
6
7
8
9CSn
10 RF_P
11 RF_N
12 AVDD
13
14
15
16
1
SCLK
2
SO (GDO1)
3
DVDD
4
DCOUPL
Figure 1: Pinout Top View
Note: The exposed die attach pad must be connected to a solid ground plane as this is the main
ground connection for the chip.
Pin #
Pin Name
Pin Type
Description
1
SCLK
Digital Input
Serial configuration interface, clock input
2
SO
(GDO1)
Digital Output
Serial configuration interface, data output.
Optional general output pin when CSn is high
3
DVDD
Power (Digital)
1.8 - 3.6 V digital power supply for digital I/O’s and for the digital core
voltage regulator
4
DCOUPL
Power (Digital)
1.6 - 2.0 V digital power supply output for decoupling.
NOTE: This pin is intended for use with the
CC2550 only. It can not be
used to provide supply voltage to other devices.
5
XOSC_Q1
Analog I/O
Crystal oscillator pin 1, or external clock input
6
AVDD
Power (Analog)
1.8 - 3.6 V analog power supply connection
7
XOSC_Q2
Analog I/O
Crystal oscillator pin 2
8
GDO0
(ATEST)
Digital I/O
Digital output pin for general use:
• Test signals
• FIFO status signals
• Clock output, down-divided from XOSC
• Serial input TX data
Also used as analog test I/O for prototype/production testing
9
CSn
Digital Input
Serial configuration interface, chip select
10
RF_P
RF Output
Positive RF output signal from PA
11
RF_N
RF Output
Negative RF output signal from PA
12
AVDD
Power (Analog)
1.8 - 3.6 V analog power supply connection
13
AVDD
Power (Analog)
1.8 - 3.6 V analog power supply connection
14
RBIAS
Analog I/O
External bias resistor for reference current
15
DGUARD
Power (Digital)
Power supply connection for digital noise isolation
16
SI
Digital Input
Serial configuration interface, data input
Table 11: Pinout Overview



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