參數(shù)資料
型號: STA400A
廠商: 意法半導(dǎo)體
英文描述: XMRADIO SDARS CHANNEL DECODER
中文描述: XMRADIO衛(wèi)星數(shù)字收音機(jī)信道解碼器
文件頁數(shù): 53/117頁
文件大?。?/td> 910K
代理商: STA400A
53/117
STA400A
FfCtrl_M
-
Fine Frequency Control Register
If mrm_ff_fed_mean_en is set to ‘1’ the ouput of the FED is averaged over two adjacent mcm symbols. If
mrm_ff_lpf_sel is set to ‘1’ an IT1 controller is implemented, otherwise a pure I controller. The mrm_ff_alpha
value determines the integral part for both IT1 and I controller.
b5-b2
:
b1
:
b0
:
mrm_ff_alpha
mrm_ff_lpf_set
mrm_ff_fed_mean_en
FfBeta_M
-
Fine Frequency Loop Filter Beta Constant
If mrm_ff_lpf_sel is set to ‘1’ the mrm_ff_beta value sets the proportional part for the IT1 controller. For a pure
I controller mrm_ff_beta is not used.
BlkDetect_M
-
Frequency Control Blockage Condition
During blockage (mrm_blockage_detect = ‘1’) the Frequency Control state is set to FREEZE. In that state the
frequency offset is held and no further actions are untertaken.
b0
:
mrm_blockage_detect
InitDelay_M
-
Fine Frequency Statup Delay
This register sets the number for which the Frequency Control remains within the INIT state before entering the
TRACKING state, i.e. the corresponding number of Fine Frequency estimates are discarded after external reset
or internal clear.
Type:
SingleByte - R/W
Word Length:
6
Byte Name
Address (Hex)
Bit Map
Reset Value (Hex)
FfCtrl_M
011C
5-0
1E
Type:
SingleByte - R/W
Word Length:
8
Byte Name
Address (Hex)
Bit Map
Reset Value (Hex)
FfBeta_M
011D
7-0
04
Type:
SingleByte - R/W
Word Length:
1
Byte Name
Address (Hex)
Bit Map
Reset Value (Hex)
BlkDetect_M
011F
0
00
Type:
SingleByte - R/W
Word Length:
2
Byte Name
Address (Hex)
Bit Map
Reset Value (Hex)
InitDelay_M
0120
1-0
00
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