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STA002 Scheda tecnica(PDF) 41 Page - STMicroelectronics

Il numero della parte STA002
Spiegazioni elettronici  STARMANO CHANNEL DECODER
PDF  43 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA002 Scheda tecnica(HTML) 41 Page - STMicroelectronics

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NRXI Electrical Characteristics
Symbol
Parameter
Min.
Typ.
Max.
Unit
Note
Cm
Common Mode Voltage
VDD -0.5
V
1
Cmr
Common Mode Voltage Range
VDD -2
VDD -0.3
V
2
DiV
Differential Input Voltage
1V Peak to Peak
V
Note 1: VA = VB Open circuit voltage
Note 2; VA = VB
INPUT PIN
CAPACITANCE
A/AI
4pF
8.7 APPLICATION NOTE (Registers preset)
According to the choosen M_CLK frequency
some registers values must be changed.
Table 7 shows two different presets for M_CLK =
39.0268MHz and M_CLK = 14.72MHz
Table 7:
HEX_COD DEC_COD
REGISTER NAME
M_CLK = 39.0268MHz
PRESET
M_CLK = 14.72MHz
PRESET
80H
128
QPSK_CONTROL1
38H
38H
81H
129
QPSK_CONTROL2
50H
50H
82H
130
AGC1_REF1
C8H
C8H
83H
131
AGC1_REF2
00H
00H
84H
132
AGC1_BETA
05H
05H
8AH
138
SYM_FREQ1
D3H
00H
8BH
139
SYM_FREQ2
11H
00H
8CH
140
SYM_FREQ_
0CH
10H
8DH
141
TIM_FLT_PAR
44H
44H
8FH
143
CAR_FLT_PAR
22H
22H
90H
144
IF_FREQ1
37H
00H
91H
145
IF_FREQ2
1DH
00H
92H
146
IF_FREQ3
C1H
00H
93H
147
IF_FREQ4
00H
01H
95H
149
RAMP_CTRL
20H
20H
200H
512
TDM_TRSH1
3CH
3CH
201H
513
TDM_TRSH2
3CH
3CH
202H
514
PRC_TRSH1
20H
20H
203H
515
PRC_TRSH2
20H
20H
21EH
542
PLL_INT_REG
00H
01H
220H
544
RESERVED1
06H
06H
223H
547
RESERVED4
02H
02H
STA002
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