XRT86VL30 datasheet(34/188 Pages) EXAR

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XRT86VL30

SINGLE T1/E1/J1 FRAMER/LIU COMBO - E1 REGISTER DESCRIPTION

REV. 1.0.0

2-0

RxSIGDL[2:0]

R/W

000

Receive Signaling and Datalink Select[2:0]:

These bits specify the destination for the data that is to be extracted via D/E

channel, National Bits in timeslot 0 of the non-FAS frames, and Timeslot 16 in

the outbound frames. The table below presents the settings of these three

RxSIGDL bits in detail.

TABLE 9: RECEIVE SIGNALING & DATA LINK SELECT REGISTER (RSDLSR)

HEX ADDRESS: 0X010C

BIT

FUNCTION

TYPE

DEFAULT

DESCRIPTION-OPERATION

RXSIGDL

[2:0]

D/E CHANNEL

NATIONAL BITS

TIME SLOT 16

000

RxFrTD_n or the

RxSer_n

output pin

Data Link

RxSER_n output pin

001

RxFrTD_n or the

RxSer_n

output pin

Data Link

CAS signaling is enabled. Time

Slot 16 can be extracted to any

of the following:

• RxSer_n output pin

• RSAR Register

(0x0500-0x051F)

• RxOH_n output pin on time

slot 16 only

• RxSIG_n output pin on every

time slot

010

RxFrTD_n or the

RxSer_n

output pin

Data Link

forced to All

Ones

Time Slot 16 can be extracted

to any of the following:

• RxSer_n output pin

• RSAR Register

(0x0500-0x051F)

• RxOH_n output pin on time

slot 16 only

• RxSIG_n output pin on time

slot 16 only

011

RxFrTD_n or the

RxSer_n

output pin

Data Link

forced to All

Ones

CAS signaling is enabled. Time

Slot 16 can be extracted to any

of the following:

• RxSer_n output pin

• RSAR Register

(0x0500-0x051F)

• RxOH_n output pin on time

slot 16 only

RxSIG_n output pin on every

time slot

100

RxSIG_n or the

RxSer_n

output pin

Data Link

RxSER_n output pin

101/110/

111

Not Used

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