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Rainbow Electronics DS26504 User Manual

Page 91

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DS26504 T1/E1/J1/64KCC BITS Element

91 of 128


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


Bits 0, 3, 5, 6, 7: 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 4: Jitter Attenuator Limit Trip Event (JALT)

0 = interrupt masked
1 = interrupt enabled