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Rainbow Electronics DS26503 User Manual

Page 88

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DS26503 T1/E1/J1 BITS Element

88 of 123


Register Name:

SR1

Register Description:

Status Register 1

Register Address:

14h


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). Set when the device detects that the TTIP and TRING outputs are
open-circuited.

Bit 2/Transmit Current Limit Exceeded Condition (TCLE).
Set when the 50mA (rms) current limiter is activated whether
the current limiter is enabled or not.

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

Bit 4/Jitter Attenuator Limit Trip Event (JALT).
Set when the jitter attenuator FIFO reaches to within 4 bits of its useful
limit. Will be cleared when read. Useful for debugging jitter-attenuation operation.

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.