XRT83SL314 datasheet(67/83 Pages) EXAR

67 / 83 page

XRT83SL314

14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT

REV. 1.0.1

TABLE 42: MICROPROCESSOR REGISTER 0XE1H BIT DESCRIPTION

TABLE 43: MICROPROCESSOR REGISTER 0XE2H BIT DESCRIPTION

GLOBAL REGISTER (0XE1H)

BIT

NAME

FUNCTION

Type

Default

Value

(HW reset)

Reserved

This Register Bit is Not Used

R/W

Reserved

This Register Bit is Not Used

R/W

GAUGE1

GAUGE0

Wire Gauge Select

00 = 22 and 24 gauge

01 = 22 gauge

10 = 24 gauge

11 = 26 gauge

R/W

Reserved

This Register Bit is Not Used

R/W

RxMUTE

Receiver Output Mute Enable

If RxMUTE is selected, RPOS/RNEG will be pulled "Low" for any

channel that experiences an RLOS condition. If an RLOS condi-

tion does not occur, RxMUTE will remain inactive.

0 = Disabled

1 = Enabled

R/W

EXLOS

Extended Loss of Zeros

The number of zeros required to declare a Digital Loss of Signal is

extended to 4,096.

0 = Normal Operation

1 = Enables the EXLOS function

R/W

ICT

In Circuit Testing

0 = Normal Operation

1 = Sets all output pins to "High" impedance for in circuit testing

R/W

GLOBAL REGISTER (0XE2H)

BIT

NAME

FUNCTION

Type

Default

Value

(HW reset)

Reserved

This Register Bit is Not Used

R/W

XRT83SL314 Datasheet(PDF) 67 Page - Exar Corporation

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