ST7554 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

生产厂家

ST7554

V.90 USB WORLD MODEM CONTROLLER

STMicroelectronics 

ST7554

TYPICAL APPLICATIONS (continued)

Figure 10 : ST7554 Schematic Diagram with STLC7550 (in TQFP48 package)

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PSM

VREGD

RESET

VREGA

FLTPLL

DIN

DOUT

RESERVED

RESERVED

RESERVED

DAASEL

HC1

PDOWN

FS

MCLK

DOUT

DIN

TS

MCM

TSTD1

HC1

PWRDWN

FS

SCLK

XTALIN

XTALOUT

DVDD

DGND

AVDD

VREFP

AUXIN-

VCM

AUXIN+

VREFN

AGND2

AGND1

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