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Part Name
Description
ST7554 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
ST7554
V.90 USB WORLD MODEM CONTROLLER
STMicroelectronics
'ST7554' PDF : 11 Pages
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ST7554
TYPICAL APPLICATIONS
(continued)
Figure 10 :
ST7554 Schematic Diagram with STLC7550 (in TQFP48 package)
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PSM
V
REGD
RESET
V
REGA
FLTPLL
DIN
DOUT
RESERVED
RESERVED
RESERVED
DAASEL
HC1
PDOWN
FS
MCLK
DOUT
DIN
TS
MCM
TSTD1
HC1
PWRDWN
FS
SCLK
XTALIN
XTALOUT
DV
DD
DGND
AV
DD
V
REFP
AUXIN-
V
CM
AUXIN+
V
REFN
AGND2
AGND1
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