XRT8000

8

Rev. 1.11

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

Register

D4

D3

D2

D1

D0

000

CR1

IOC4

IOC3

IOC2

IOC1

PL1EN

001

CR2

M4

M3

M2

M1

PL2EN

010

CR3

SEL14

SEL13

SEL12

SEL11

SEL10

011

CR4

SEL24

SEL23

SEL22

SEL21

SEL10

100

CR5

SYNCEN

CLK1EN

CLK2EN

PL2/8

PL1/8

101

CR6

Reserved

Reserved

Reserved

Reserved

Reserved

110

CR7

Reserved

Reserved

Reserved

Reserved

Reserved

111

CR8

Reserved

Reserved

Reserved

Reserved

Reserved

Table 1. Control Registers

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