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Rainbow Electronics DS26503 User Manual

Page 89

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DS26503 T1/E1/J1 BITS Element

89 of 123


Register Name:

IMR1

Register Description:

Interrupt Mask Register 1

Register Address:

15h


Bit

# 7 6 5 4 3 2 1 0

Name — — —

JALT

TCLE

TOCD

Default

0 0 0 0 0 0 0 0

HW
Mode

X X X X X X X X


Bit 0/ Unused, must be set = 0 for proper operation.


Bit 1/Transmit Open Circuit Detect Condition (TOCD).

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


Bit 2/Transmit Current Limit Exceeded Condition (TCLE).

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


Bit 3/Unused, must be set = 0 for proper operation.

Bit 4/Jitter Attenuator Limit Trip Event (JALT).

0 = interrupt masked
1 = interrupt enabled


Bit 5/Unused, must be set = 0 for proper operation.

Bit 6/Unused, must be set = 0 for proper operation.

Bit 7/Unused, must be set = 0 for proper operation.