PM5363 TUPP+622
TUPP+622
DATASHEET
PMC-1981421
ISSUE 4
SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin Name
ITV5[1]
Type
Pin
Function
No.
Input
V3
The incoming tributary V5 byte #1 (ITV5[1])
signal marks the tributary V5 bytes of the STM-4
or STM-1 #1 stream when pointer interpreter
bypass is enabled (PIBYP bit set high). When
pointer interpreter bypass is disabled (PIBYP bit
set low), ITV5[1] is ignored. Also, ITV5[1] is
ignored when IPL[1] is low.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), ITV5[1] is set high to
mark each tributary V5 byte of the STM-1 #1
stream on the ID[7:0] bus. When the incoming
tributary is a TU3, ITV5[1] marks the J1 byte of
the TU3. ITV5[1] is sampled on the rising edge
of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), ITV5[1] is set high to mark
each tributary V5 byte of the STM-4 stream on
the ID[7:0] bus. When the incoming tributary is a
TU3, ITV5[1] marks the J1 byte of the TU3.
ITV5[1] is sampled on the rising edge of HSCLK.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
33
PMC [ PMC-SIERRA, INC ]
