RC56SP-USB 参数 Datasheet PDF下载

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

Signal Name

VCC

VSS

WR#

XTAL1

XTAL2

Type

PWR

GND

O

I

O

Circuit Ground.

Connect this pin to ground.

Write.

Write signal output to external memory.

Description

Supply Voltage.

Connect this pin to the +5v supply voltage.

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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