RC56D-USB 데이터 시트보기 (PDF) - Conexant Systems

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RC56D-USB

Integrated V.90/K56flex Modem Device Sets with USB Interface for Desktop Applications

Conexant Systems 

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Signal Name

VCC

VSS

WR#

XTAL1

Type

PWR

GND

O

I

XTAL2

O

Table 2. R8292 68-Pin PLCC Pin Signal Descriptions (Cont’d)

Description

Supply Voltage. Connect this pin to the +5v supply voltage.

Circuit Ground. Connect this pin to ground.

Write. Write signal output to external memory.

Oscillator Amplifier Input. When implementing the on-chip oscillator, connect the external crystal or

ceramic resonator across XTAL1 and XTAL2. If an external clock source is used, connect it to this pin.

Oscillator Amplifier Output. When implementing the on-chip oscillator, connect the external crystal or

ceramic resonator across XTAL1 and XTAL2. If an external oscillator is used, leave XTAL2 unconnected.



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