XRT94L33IB datasheet(91/110 Pages) EXAR

91 / 110 page

XRT94L33

Rev 2

22 ...0

00 ...0

33 ---C

C H

H A

N N

N E

E L

L D

D S

S 3

33 ///E

E 3

33 ///S

S T

T S

S -

-- 1

11 T

T O

O S

S T

T S

S -

-- 3

33 ///S

S T

T M

M -

-- 1

11 M

M A

P P

P E

E R

R S

S O

O N

N E

E T

T A

T M

M ///P

P P

P –

–– H

H A

R W

W A

A R

R E

E M

M A

N U

U A

AG11

STS1RXD_D6_2

RXHDLCDAT_6_2

RXDS3DATA_2

CMOS

Receive STS-1 Telecom Bus – Channel 2 – Output Data

Bus pin number 6:

The exact function of this output pin depends upon whether

the STS-1 Telecom Bus Interface, associated with Channel 2

is enabled or not.

If STS-1 Telecom Bus (Channel 2) has been enabled –

STS-1 Receive Telecom Bus – Output Data bus pin number 6:

STS1RXD_D6_2

This

output

along

with

“STS1RXD_D7_2”

and

“STS1RXD_D_2[5:0]” function as the “STS-1 Receive (Drop)

Telecom Bus – Output Data Bus for Channel 2. The STS-1

Telecom Bus Interface will update the data via this output

upon the rising edge of “STS1RXD_CK_2.

RXHDLCDAT_6_2 (Receive HDLC block data output –

Channel 2 – Output Data Bus pin 6)

RXDS3DATA_2 (Receive DS3 data – Channel 2)

AG12

STS1RXD_D7_2

RXHDLCDAT_7_2

RXDS3CLK_2

CMOS

Receive STS-1 Telecom Bus – Channel 2 – Output Data

Bus pin number 7:

The exact function of this output pin depends upon whether

the STS-1 Telecom Bus Interface, associated with Channel 2

is enabled or not.

If STS-1 Telecom Bus (Channel 2) has been enabled –

STS-1 Receive Telecom Bus – Output Data bus pin number 7:

STS1RXD_D7_2

This output pin along with “STS1RXD_D_2[6:0]” function as

the “STS-1 Receive (Drop) Telecom Bus – Output Data Bus

for Channel 2. The STS-1 Telecom Bus Interface will update

the

data

via

this

output

upon

the

rising

edge

“STS1RXD_CK_2.

Note:

This output pin functions as the MSB (Most

Significant Bit) for the STS-1 Receive (Drop)

Telecom Bus Interface – Output Data Bus (Channel

2).

RXHDLCDAT_7_2 (Receive HDLC block data output –

Channel 2 – Output Data Bus pin 7)

RXDS3CLK_2 (Receive DS3 clock – Channel 2)

XRT94L33IB Datasheet(PDF) 91 Page - Exar Corporation

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