PM5366-PI datasheet(52/267 Pages) PMC

52 / 267 page

PRELIMINARY

PM5366 TEMAP-84

DATASHEET

PMC-2010672

ISSUE 1

HIGH DENSITY 84/63 CHANNEL VT/TU MAPPER

AND M13 MULTIPLEXER

PROPRIETARY AND CONFIDENTIAL

Pin Name

Type

No.

Function

LADATA[0]

LADATA[1]

LADATA[2]

LADATA[3]

LADATA[4]

LADATA[5]

LADATA[6]

LADATA[7]

Output

Tristate

W14

Y13

AA13

AB13

W13

AA12

W12

W11

Line Add Bus Data (LADATA[7:0]). The add bus data

contains the SONET transmit payload data in byte

serial format. All transport overhead bytes are set to

00h. The phase relation of the SPE (VC) to the

transport frame is determined by the Add Bus

composite timing signal LAC1J1V1 and is software

programmable to any valid pointer offset. LADATA[7] is

the most significant bit (corresponding to bit 1 of each

serial word, the first bit to be transmitted).

By default, LADATA[7:0] is only asserted during the

SONET/SDH tributaries assigned to this device as

determined by the LAOE bit in the TTMP Tributary

Control registers. As options, LADATA[7:0] can be

driven during transport overhead, for all bytes of an

STM-1 when configured for 77.76MHz operation or all

the time.

LADATA[7:0] is updated on the rising edge of

LREFCLK.

LADP

Output

Tristate

AB14 Line Add Bus Data Parity (LADP). The Add Bus data

parity signal carries the parity of the outgoing signals.

The parity calculation encompasses the LADATA[7:0]

bus and optionally the LAC1J1V1 and LAPL signals.

LAC1J1V1 and LAPL can be included in the parity

calculation by setting the INCLAC1J1V1 and INCLAPL

Configuration register high, respectively. Odd parity is

selected by setting the LAOP register bit in the same

LAOP bit low.

By default, LADP is only asserted during the

SONET/SDH tributaries assigned to this device as

determined by the LAOE bit in the TTMP Tributary

Control registers. As options, LADP can be driven

during transport overhead, for all bytes of an STM-1

when configured for 77.76MHz operation or all the

time.

LADP is updated on the rising edge of LREFCLK.

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