Silicon Laboratories Si2457 Bedienungsanleitung PDF herunterladen (Seite 6)

Si2493/57/34/15/04

Global ISOmodem-EVB

6 Rev. 0.7

Figure 4. Modem Daughter Card Rev 2.0 Top and Bottom Views

Figure 5. R101–R106 Setup for Clock and Mode Configuration on the DC with the 16-Pin FS

Package

These option strapping resistors select

modem command mode UART, SPI or

Parallel and crystal clock frequency.

Three possible crystals or ext oscillator.

Crystal loading caps (C40 & C41)

specific to the crystal type used.

TOP VIEW

BOTTOM VIEW

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Silicon Laboratories Si2457 Bedienungsanleitung Seite 6