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STA400A датащи(PDF) 29 Page - STMicroelectronics

номер детали STA400A
подробное описание детали  XMRADIO SDARS CHANNEL DECODER
PDF  117 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA400A датащи(HTML) 29 Page - STMicroelectronics

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STA400A
Table 4. QPSK Demodulator #2 (S1-Late)
Base Address: 00 - Address Range: 7F - 9D
Relative
Address
(Hex)
Register
Name
WL
Type
Reset
Value
(Hex)
Comment
7F
QPSK_DEMOD_EN
1
wr
01
QPSK Dem Enable Register
80
QPSK_CTRL
8
wr
47
QPSK Dem Control Register
81
PFDTHR
6
wr
14
Phase/Freq. Detector Threshold
82
SYMFREQ0
8
wr
8B
Symbol Frequency (LSB)
83
SYMFREQ1
8
wr
1A
84
SYMFREQ2
8
wr
23
85
SYMFREQ3
1
wr
00
Symbol Frequency (MSB)
86
IFFREQ0
8
wr
9E
Intermediate Frequency (LSB)
87
IFFREQ1
8
wr
D8
88
IFFREQ2
8
wr
89
89
IFFREQ3
4
wr
FC
Intermediate Frequency (MSB)
8A
ALFACAR
8
wr
17
Carrier Loop Filter Alpha Param.
8B
BETACAR
8
wr
15
Carrier Loop Filter Beta Param.
8C
ALFATIM
8
wr
07
Timing Loop Filter Alpha Param.
8D
BETATIM
8
wr
0E
Timing Loop Filter Beta Param.
8E
RAMPCTRL
7
wr
20
Ramp Control Register
8F
AGC2BETA
3
wr
03
AGC2 Gain
90
AGC2REF
8
wr
5A
AGC2 Reference
91
AGC2INTG
8
wr
00
8MSB of AGC2 Loop Integrator
92
TIMINTG
8
wr
00
8MSB of Timing Loop Integrator
93
CARINTG
8
wr
00
8MSB of Carrier Loop Integrator
94
CARFREQ0
8
r
--
Locked Carrier Frequency (LSB)
95
CARFREQ1
8
r
--
96
CARFREQ2
8
r
--
97
CARFREQ3
4
r
--
Locked Carrier Frequency (MSB)
98
CN
8
r
--
C/N Esteem
99
FLAG
4
r
--
Demodulator Status
9A
NULOFS_WIN
4
wr
07
Null Carrier Offset Window
9B
NULOFS_DELTAF
8
wr
2B
Null Carrier Offset Delta Frequency
9C
TIMLPF_CTRL
8
wr
90
Timing Loop Low Pass Filter Control
9D
LOCKTHR
2
wr
02
Lock Detector Threshold



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