參數(shù)資料
型號： CC113LRTKT
廠商： TEXAS INSTRUMENTS INC
元件分類： 無繩電話/電話
英文描述： TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQCC20
封裝： 4 X 4 MM, GREEN, PLASTIC, VQFN-20
文件頁數(shù)： 13/75頁
文件大?。?/td> 1454K
代理商： CC113LRTKT
CC113L
SWRS108A
Page 20 of 68
8
Configuration Overview
CC113L can be configured to achieve optimum
performance for many different applications.
Configuration is done using the SPI interface.
See Section 10 for more description of the SPI
interface. The following key parameters can be
programmed:
Power-down / power up mode
Crystal oscillator power-up / power-down
Receive mode
Carrier Frequency / RF channel
Data rate
Modulation format
RX channel filter bandwidth
Data buffering with the 64-byte RX FIFO
Packet radio hardware support
Details of each configuration register can be
found in Section 26 starting on page 45.
Figure 12 shows a simplified state diagram
that explains the main CC113L states together
with typical usage and current consumption.
For detailed information on controlling the
CC113L state machine, and a complete state
diagram, see Section 18, starting on page 35.
Receive mode
IDLE
Manual freq.
synth. calibration
RX FIFO
overflow
RXOFF_MODE = 00
SIDLE
SCAL
SFRX
IDLE
SRX
Sleep
SPWD
Crystal
oscillator off
SXOFF
CSn = 0
Frequency
synthesizer startup,
optional calibration,
settling
Optional freq.
synth. calibration
Default state when the radio is not
receiving. Typ. current
consumption: 1.7 mA.
Lowest power mode. Most
register values are retained.
Typ. current consumption:
200 nA
All register values are
retained. Typ. current
consumption: 165 A.
Used for calibrating frequency
synthesizer upfront (entering
receive mode can then be
done quicker). Transitional
state. Typ. current
consumption: 8.4 mA.
Frequency synthesizer is turned on, can optionally be
calibrated, and then settles to the correct frequency.
Transitional state. Typ. current consumption: 8.4 mA.
Typ. current
consumption:
from 14.7 mA (strong
input signal) to 15.7 mA
(weak input signal).
Optional transitional state. Typ.
current consumption: 8.4 mA.
In Normal mode, this state is
entered if the RX FIFO
overflows. Typ. current
consumption: 1.7 mA.
Figure 12: Simplified Radio Control State Diagram, with Typical Current Consumption at
1.2 kBaud Data Rate and
MDMCFG2.DEM_DCFILT_OFF=1 (current optimized).
Frequency Band = 868 MHz
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