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Supply and test signal description, Memory map, 7 supply and test signal description – Rainbow Electronics DS3131 User Manual

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DS3131

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Signal Name:

PXBLAST

PXBLAST

PXBLAST

PXBLAST

Signal Description:

PCI Extension Burst Last

Signal Type:

Output

This active-low signal is asserted on the same clock edge as PFRAME is deasserted and is deasserted on the same
clock edge as PIRDY is deasserted. This signal is only asserted when the device is an initiator. This signal is an
output and is updated on the rising edge of PCLK.

3.7 Supply and Test Signal Description

Signal Name:

TEST

Signal Description:

Factory Test Input

Signal Type:

Input (with internal 10kΩ pullup)

This input should be left open-circuited by the user.

Signal Name:

VDD

Signal Description:

Positive Supply

Signal Type:

n/a

3.3V (±10%). All VDD signals should be connected together.

Signal Name:

VSS

Signal Description:

Ground Reference

Signal Type:

n/a

All VSS signals should be connected to the local ground plane.