PM5366-PI datasheet(53/267 Pages) PMC

53 / 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

LAPL

Output

Tristate

AA14 Line Add Bus Payload Active (LAPL). The Add Bus

payload active signal identifies the payload bytes on

LADATA[7:0]. LAPL is set high during path overhead

and payload bytes and low during transport overhead

bytes.

By default, LAPL 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, LAPL can be driven

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

when configured for 77.76MHz operation or all the

time.

LAPL is updated on the rising edge of LREFCLK.

LAV5

Output

Tristate

W15 Line Add Bus V5 Byte (LAV5). The outgoing tributary

V5 byte signal marks the various tributary V5 bytes.

LAV5 marks each tributary V5 byte on the LADATA[7:0]

bus when high.

By default, LAV5 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, LAV5 can be driven

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

when configured for 77.76MHz operation or all the

time.

LAV5 is updated on the rising edge of LREFCLK.

LDDATA[0]

LDDATA[1]

LDDATA[2]

LDDATA[3]

LDDATA[4]

LDDATA[5]

LDDATA[6]

LDDATA[7]

Input

AA6

AB5

AA5

AB4

AB3

Line Drop Bus Data (LDDATA[7:0]). The drop bus

data contains the SONET/SDH receive payload data in

byte serial format. LDDATA[7] is the most significant

bit, corresponding to bit 1 of each serial word, the bit

transmitted first.

LDDATA[7:0] is sampled on the rising edge of

LREFCLK.

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