Maxim Integrated DS21Q55 User Manual

Page 182

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DS21Q55

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Register Name:

IMR9

Register Description:

Interrupt Mask Register 9

Register Address:

27h


Bit #

7

6

5

4

3

2

1

0

Name

-

BBED

BBCO

BEC0

BRA1

BRA0

BRLOS

BSYNC

Default

0

0

0

0

0

0

0

0


Bit 0/BERT in Synchronization Condition (BSYNC).

0 = interrupt masked
1 = interrupt enabled–interrupts on rising and falling edges

Bit 1/Receive Loss Of Synchronization Condition (BRLOS).

0 = interrupt masked
1 = interrupt enabled–interrupts on rising and falling edges

Bit 2/Receive All Zeros Condition (BRA0).

0 = interrupt masked
1 = interrupt enabled–interrupts on rising and falling edges

Bit 3/Receive All Ones Condition (BRA1).

0 = interrupt masked
1 = interrupt enabled–interrupts on rising and falling edges


Bit 4/BERT Error Counter Overflow Event (BECO).

0 = interrupt masked
1 = interrupt enabled


Bit 5/BERT Bit Counter Overflow Event (BBCO).

0 = interrupt masked
1 = interrupt enabled


Bit 6/Bit Error Detected Event (BBED).

0 = interrupt masked
1 = interrupt enabled


BERT Alternating Word Count Rate. When the BERT is programmed in the alternating word mode, the words will repeat
for the count loaded into this register then flip to the other word and again repeat for the number of times loaded into this
register

Register Name:

BAWC

Register Description:

BERT Alternating Word Count Rate

Register Address:

DBh


Bit #

7

6

5

4

3

2

1

0

Name

ACNT7

ACNT6

ACNT5

ACNT4

ACNT3

ACNT2

ACNT1

ACNT0

Default

0

0

0

0

0

0

0

0


Bits 0 to 7/Alternating Word Count Rate Bits 0 to 7 (ACNT0 to ACNT7). ACNT0 is the LSB of the 8 -bit alternating word
count rate counter.

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