參數(shù)資料
型號: AMIS-53000
英文描述: Frequency Agile Transceiver
中文描述: 捷變頻收發(fā)器
文件頁數(shù): 70/99頁
文件大?。?/td> 2638K
代理商: AMIS-53000
AMIS-53000
Frequency Agile Transceiver
Data Sheet
6.10.1. Internal Trim
6.10.1.1. Crystal Trim
Table 70: Crystal Trim - 0X21 [33]
Bit
Name
7:0
XTAL_TRIM [7:0]
Comment
24MHz internal trim caps; FF is max capacitance, 00 is min
6.10.1.2. LNA Trim
Table 71: LNA Trim - 0X22 [34]
Bit
Name
7:4
LNA_OUT[3:0}
3:0
LNA_IN [3:0]
Comment
LNA output tank cap trim F is max cap
LNA input shunt capacitor trim, F is max, 0 is min
6.10.1.3. Quick Start Oscillator Trim
This register contains the value of the trim from the self calibration.
Table 72: Quick Start Oscillator Trim - 0X23 [35]
Bit
Name
Comment
7:0
QS_TRIM [7:0]
Trim for the Quick Start (kicker), this register is written to by the calibration circuit
6.10.1.4. 10K Oscillator Trim
This register contains the value of the trim from the self calibration.
Table 73: 10kHz Oscillator Trim - 0X24 [36]
Bit
Name
Comment
7:0
RC_TRIM [7:0]
Trim for the 10kHz oscillator, this register is written by the calibration circuit
6.10.1.5. Analog Trim1
This is an internal use register with no user defined meaning. This register is set at the factory and changing the value will cause the
AMIS-53000 to not operate.
6.10.1.6. Analog Trim2
This is an internal use register with no user defined meaning. This register value is set at the factory and changing the value will cause
the AMIS-53000 to not operate.
6.10.1.7. RF PLL Trim
This register contains the value of the trim from the self calibration. This register is valuable to monitor to determine if the PLL trim
calibration passed, but with the highest trim value or lowest trim value which indicates that the trim is nearly all the way to the edge of
the calibration.
70
AMI Semiconductor
– Aug. 05, Rev. 1.0
www.amis.com
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