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)： 59/75頁
文件大?。?/td> 1454K
代理商： CC113LRTKT
CC113L
SWRS108A
Page 62 of 68
0x21: FREND1 - Front End RX Configuration
Bit
Field Name
Reset
R/W
Description
7:6
LNA_CURRENT[1:0]
1 (01)
R/W
Adjusts front-end LNA PTAT current output
5:4
LNA2MIX_CURRENT[1:0]
1 (01)
R/W
Adjusts front-end PTAT outputs
3:2
LODIV_BUF_CURRENT_RX[1:0]
1 (01)
R/W
Adjusts current in RX LO buffer (LO input to mixer)
1:0
MIX_CURRENT[1:0]
2 (10)
R/W
Adjusts current in mixer
0x23: FSCAL3 - Frequency Synthesizer Calibration
Bit
Field Name
Reset
R/W
Description
7:6
FSCAL3[7:6]
2 (10)
R/W
Frequency synthesizer calibration configuration. The value
to write in this field before calibration is given by the
SmartRF Studio software [4].
5:4
CHP_CURR_CAL_EN[1:0]
2 (10)
R/W
Disable charge pump calibration stage when 0.
3:0
FSCAL3[3:0]
9 (1001)
R/W
Frequency synthesizer calibration result register. Digital bit
vector defining the charge pump output current, on an
exponential scale: I_OUT = I02
FSCAL3[3:0]/4
Please see Section 25.2 for more details.
0x24: FSCAL2 - Frequency Synthesizer Calibration
Bit
Field Name
Reset
R/W
Description
7:6
R0
Not used
5
VCO_CORE_H_EN
0
R/W
Choose high (1) / low (0) VCO
4:0
FSCAL2[4:0]
10 (01010)
R/W
Frequency synthesizer calibration result register. VCO
current calibration result and override value.
Please see Section 25.2 for more details.
0x25: FSCAL1 - Frequency Synthesizer Calibration
Bit
Field Name
Reset
R/W
Description
7:6
R0
Not used
5:0
FSCAL1[5:0]
32 (0x20)
R/W
Frequency synthesizer calibration result register. Capacitor
array setting for VCO coarse tuning.
Please see Section 25.2 for more details.
0x26: FSCAL0 - Frequency Synthesizer Calibration
Bit
Field Name
Reset
R/W
Description
7
R0
Not used
6:0
FSCAL0[6:0]
13 (0x0D)
R/W
Frequency synthesizer calibration control. The value to use
in this register is given by the SmartRF Studio software [4].
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