參數(shù)資料
型號: 1200
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, QCC20
封裝: 4 X 4 MM, ROHS COMPLIANT, QLP-20
文件頁數(shù): 54/70頁
文件大?。?/td> 841K
代理商: 1200
Chipcon
SmartRF CC1100
Chipcon AS
SmartRF
CC1100 Preliminary Data Sheet (rev. 1.0) 2005-04-25
Page 58 of 68
0x22: FREND0 – Front end TX configuration
Bit
Field Name
Reset
R/W
Description
7:6
Reserved
R0
5:4
LODIV_BUF_CURRENT_TX[1:0]
1 (01)
R/W
Adjusts current TX LO buffer (input to PA). The value to
use in this field is given by the SmartRF Studio
software.
3
Reserved
R0
2:0
PA_POWER[2:0]
0
(000)
R/W
Selects PA power setting. This value is an index to the
PATABLE, which can be programmed with up to 8
different PA settings. In ASK mode, this selects the
PATABLE index to use when transmitting a ‘1’.
PATABLE index zero is used in ASK when transmitting
a ‘0’. The PATABLE settings from index ‘0’ to the
PA_POWER value are used for ASK TX shaping, and
for power ramp-up/ramp-down at the start/end of
transmission in all TX modulation formats.
0x23: FSCAL3 – Frequency synthesizer calibration
Bit
Field Name
Reset
R/W
Description
7:0
FSCAL3[7:0]
169
(0xA9)
R/W
Frequency synthesizer calibration configuration and result register.
The value to write in this register before calibration is given by the
SmartRF Studio software.
Fast frequency hopping without calibration for each hop can be
done by calibrating upfront for each frequency and saving the
resulting FSCAL3, FSCAL2 and FSCAL1 register values. Between
each frequency hop, calibration can be replaced by writing the
FSCAL3, FSCAL2 and FSCAL1 register values corresponding to
the next RF frequency.
0x24: FSCAL2 – Frequency synthesizer calibration
Bit
Field Name
Reset
R/W
Description
7:6
Reserved
R0
5:0
FSCAL2[5:0]
10
(0x0A)
R/W
Frequency synthesizer calibration result register.
Fast frequency hopping without calibration for each hop can be
done by calibrating upfront for each frequency and saving the
resulting FSCAL3, FSCAL2 and FSCAL1 register values. Between
each frequency hop, calibration can be replaced by writing the
FSCAL3, FSCAL2 and FSCAL1 register values corresponding to
the next RF frequency.
0x25: FSCAL1 – Frequency synthesizer calibration
Bit
Field Name
Reset
R/W
Description
7:6
Reserved
R0
5:0
FSCAL1[5:0]
32
(0x20)
R/W
Frequency synthesizer calibration result register.
Fast frequency hopping without calibration for each hop can be
done by calibrating upfront for each frequency and saving the
resulting FSCAL3, FSCAL2 and FSCAL1 register values. Between
each frequency hop, calibration can be replaced by writing the
FSCAL3, FSCAL2 and FSCAL1 register values corresponding to
the next RF frequency.
相關(guān)PDF資料
PDF描述
1200 TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT
1203CLUXE7/1NF PUSHBUTTON SWITCH, SPST, MOMENTARY, 3A, 12VDC, PANEL MOUNT-THREADED
1223ALUXE2UL-CSA PUSHBUTTON SWITCH, SPST, MOMENTARY, 8A, 12VDC, PANEL MOUNT-THREADED
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