DAC3282 datasheet(25/53 Pages) TI

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DAC3282

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SLAS646A – DECEMBER 2009 – REVISED FEBRUARY 2010

Default

Address

Bit

Name

Function

Name

Value

CONFIG7

0x07

Unused

Reserved for factory use.

alarm_from_ zerochk

When this bit is asserted the FIFO write pointer has an all zeros

pattern in it. Since this pointer is a shift register, all zeros will

cause the input point to be stuck until the next sync. This alarm

allows checking for this condition.

alarm_fifo_ collision

Alarm occurs when the FIFO pointers over/under run each other.

Reserved

Reserved for factory use.

This is asserted when the input data pattern does not match the

alarm_from_ iotest

pattern in the iotest_pattern registers.

Unused

Reserved for factory use.

Alarm occurs with the read and write pointers of the FIFO are

alarm_fifo_ 2away

within 2 addresses of each other.

Alarm occurs with the read and write pointers of the FIFO are

alarm_fifo_ 1away

within 1 address of each other.

Default

Address

Bit

Name

Function

Name

Value

CONFIG8

0x08

7:0

iotest_results(7:0)

The values of these bits tell which bit in the word failed during the

0x00

pattern checker test.

Default

Address

Bit

Name

Function

Name

Value

CONFIG9

0x09

7:0

iotest_pattern0(7:0)

This is dataword0 in the IO test pattern. It is used with the seven

0x7A

other words to test the input data.

Default

Address

Bit

Name

Function

Name

Value

CONFIG10

0x0A

7:0

iotest_pattern1(7:0)

This is dataword1 in the IO test pattern. It is used with the seven

0xB6

other words to test the input data.

Default

Address

Bit

Name

Function

Name

Value

CONFIG11

0x0B

7:0

iotest_pattern2(7:0)

This is dataword2 in the IO test pattern. It is used with the seven

0xEA

other words to test the input data.

Default

Address

Bit

Name

Function

Name

Value

CONFIG12

0x0C

7:0

iotest_pattern3(7:0)

This is dataword3 in the IO test pattern. It is used with the seven

0x45

other words to test the input data.

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