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TDA7512F データシート(PDF) 27 Page - STMicroelectronics

部品番号 TDA7512F
部品情報  FM car-radio tuner IC with intelligent selectivity system (ISS)
PDF  45 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7512F データシート(HTML) 27 Page - STMicroelectronics

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TDA7512F
Software specification
Doc ID 12668 Rev 2
27/45
5.3
Data byte specification
SMSL
S meter slope
SMTH
Softmute startpoint threshold
TDEV
Time constant for deviation detector
TEST
Testing PLL/IFC (only for testing)
TIN
Switch FSU PIN to TEST input (only for testing)
TINAC
Test input adjacent channel (only for testing)
TINACM
Test input adjacent channel mute (only for testing)
TINMP
Test input multipath(only for testing)
TISS
Time constant for ISS filter “ON”/”OFF”
TOUT
Switch FSU PIN to Test output (only for testing)
TVO
Tuning voltage offset for prestage
TVWB
Tuning voltage offset for prestage (weather band mode)
VCOD
VCO divider
XTAL
Xtal frequency adjust
Table 7.
Control register function (continued)
Register Name
Function
Table 8.
Subaddress
MSB
LSB
Function
-
-
I
A4A3A2A1
A0
-
-
-
00000
Charge pump control
-
-
-
00001
PLL lock detector
---
-----
-
-
-
-
10101
I/Q ADJ
--
0
-----
Page mode “OFF”
--
1
-----
Page mode enable
Table 9.
Addr 0 charge pump control
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
-
-
-
-
0
0
0
0
High current = 0 mA
-
-
-
-
0
0
0
1
High current = 0.5 mA
-
-
-
-
0
0
1
0
High current = 1 mA
-
-
-
-
0
0
1
1
High current = 1.5 mA
---
---
--
-



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