XRT8000 View Datasheet(PDF) - Exar Corporation

Part Name

Description

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XRT8000

Clock Synchronizer/Adapter for Communications

Exar Corporation 

XRT8000

The Command Registers

Between the MSB input pin and the Command Registers,

the user can configure the XRT8000 device into any of the

operating modes that have been described in this data

sheet. The user can access these Command Registers

via the Microprocessor Serial Interface.

Table 1 presents the Address Location and Format for

each of the Command Registers, within the XRT8000

device.

AD2~0

000

001

010

011

100

101

110

111

Register

CR1

CR2

CR3

CR4

CR5

CR6

CR7

CR8

D4

IOC4

M4

SEL14

SEL24

SYNCEN

Reserved

Reserved

Reserved

D3

IOC3

M3

SEL13

SEL23

CLK1EN

Reserved

Reserved

Reserved

D2

IOC2

M2

SEL12

SEL22

CLK2EN

Reserved

Reserved

Reserved

D1

IOC1

M1

SEL11

SEL21

PL2/8

Reserved

Reserved

Reserved

D0

PL1EN

PL2EN

SEL10

SEL10

PL1/8

Reserved

Reserved

Reserved

Table 1. Control Registers

The next few pages describe the role/functionality of each bit-field within the Command Registers.

Rev. 1.11

8

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