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

Signal Name

Type

Description

VCC

PWR

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

VSS

GND

Circuit Ground. Connect this pin to ground.

WR#

O

Write. Write signal output to external memory.

XTAL1

I

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.

XTAL2

O

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.