參數(shù)資料
型號(hào)： AMIS-52150
英文描述： Low-Power Transceiver with Clock and Data Recovery
中文描述： 低功耗收發(fā)器時(shí)鐘和數(shù)據(jù)恢復(fù)
文件頁(yè)數(shù)： 19/25頁(yè)
文件大小： 900K
代理商： AMIS-52150
AMIS-52150
Low-Power Transceiver with Clock and Data Recovery
Data Sheet
Table 26: Auto Slice Control Registers
Auto Slice Control Registers
Register (HEX)
0x0a
Name
DATA SLICE
THRESHOLD
HYSTERESIS
Bits
All
States
Comments
Set a fixed reference level for the slice output to be
compared to in the DAC mode
0mV hysteresis used in the threshold circuit
20mV hysteresis used in the threshold circuit
50mV hysteresis used in the threshold circuit
100mV hysteresis used in the threshold circuit
DAC mode used for data detection (DEFAULT)
Average mode used for data detection
Peak mode used for data detection
DAC mode used for data detection
00
01
10
11
00
01
10
11
0,1
0x0f
AUTOSLICE
2,3
9.6 Data and Clock Recovery
Data recovered in a noisy environment or from a weak RF signal is usually jittery. The AMIS-52150 can remove much of that data jitter
by recovering a synchronous clock signal from the incoming data. The device can be set to achieve auto slice data detection. The clock
and data recovery circuits can be programmed to generate a data clock for synchronously clocking the data output from the transceiver,
removing much of the jitter in this process. The AMIS-52150 has an internal PLL that must be programmed to the frequency of the data
by setting the values in the FWORD register and setting the coefficients of the filter. If these values are close to the data rate, the
device will recover the data clock from the incoming detected data. The CDR circuit can also be set to a given tolerance with respect to
the frequency difference between the target data rate and the actual data rate, in order to improve the performance of the CDR
function. The CDR circuit can also be configured to reset after a programmed number of data time periods if no data is received. This
“stop and check” function allows the CDR circuit to re-acquire the clock data when new data is received, maintaining better clock to
data synchronization.
Table 27 lists the registers associated with the data and clock recovery function. For further details, refer to the application note titled
“AMIS-52150 Clock and Data Recovery Circuit Operation and Set-Up”.
19
AMI Semiconductor
– Apr. 07 – M-20535-006
www.amis.com
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參數(shù)描述
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AMIS-52150-XTP 功能描述:射頻接收器 RF TRNSCVR SUB-1GHZ CDR RoHS:否 制造商:Skyworks Solutions, Inc. 類(lèi)型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel
AMIS-53000 制造商:AMI 制造商全稱:AMI 功能描述:Frequency Agile Transceiver
AMIS53000/19608-001XT 制造商:AMI Semiconductor 功能描述: 制造商:NTE Electronics 功能描述:
AMIS53000/SAMPLE 制造商:AMI Semiconductor 功能描述: 制造商:NTE Electronics 功能描述:
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