參數(shù)資料
型號(hào)： 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)： 30/117頁
文件大?。?/td> 910K
代理商： STA400A
STA400A
30/117
Table 5. Terrestrial Demodulator (Section 1
)
Base Address: 01 - Address Range: 00 - C1
Relative
Address
(Hex)
Register
Name
WL
Type
Reset
Value
(Hex)
Comment
00
Enable_M
8
wr
FF
enable signals for mcm submodules
01
Status1_M
8
r
00
status information of mcm submodules
02
Status2_M
2
r
00
04
DataOvf_M
8
pr
00
overflow event counter of mcm submodules
06
IQGMode_M
3
wr
02
iq generation mode
07
Clk_devcomp_M
1
wr
01
selects mode of clk deviation compensation
08
AMSSThrL_M
7
wr
37
low threshold of AMSS detection
09
AMSSThrH_M
7
wr
41
high threshold of AMSS detection
0A
AMSSFailed_M
3
wr
07
if not more than
mrm_sync_min_amss_failed
AMSS-not-detected events : pre-sync -> hunt
0B
SyncSearch_M
4
wr
0A
Number of mcm-frames during pre sync state
0C
SyncLoss1_M
8
wr
FF
number of allowed AMSS failed events (sync ->
hunt)
0D
SyncLoss2_M
3
wr
03
0E
FrameLen_M
8
wr
B4
frame window length of AMSS detection
0F
ChannelLen_M
8
wr
B4
channel window length of AMSS detection
10
CycleCnt1_M
8
r
--
actual difference of mcm-frame cycle count to
nominal value.
11
CycleCnt2_M
4
r
--
12
CycleCntRef1_M
8
wrt
00
external setting of actual difference of mcm-frame
cycle count to nominal value
13
CycleCntRef2_M
4
wrt
00
15
AttFactor1_M
8
wr
F0
attenuation factor for correlation results.
16
AttFactor2_M
5
wr
1F
17
HistLen_M
4
wr
0F
length of history register
19
CN1_M
8
r
--
estimated noise and signal&noise power.
1A
CN2_M
8
r
--
1B
CN3_M
8
r
--
1C
FfCtrl_M
6
wr
1E
control of ff internal algorithm
1D
FfBeta_M
8
wr
04
loop filter constant beta
1F
BlkDetect_M
1
wr
00
external setting of blockage condition to fc
20
InitDelay_M
2
wr
00
delay on use of ff output at startup
21
MaxFreq1_M
8
wr
46
maximum allowed difference of ff and cf to detect
out-of-range condition of ff.
22
MaxFreq2_M
5
wr
00
23
MinCf_M
8
wr
90
confidence value for cf estimation
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