PM8610-BIAP PMC [PMC-Sierra, Inc], PM8610-BIAP Datasheet - Page 43

• Manufacturer Part Number: PM8610-BIAP
• Description: SBS Telecom Standard Product Data Sheet Preliminary
• Manufacturer: PMC [PMC-Sierra, Inc]

Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-2000168, Issue 3
Pin Name
TDATA[7]
TDATA[6]
TDATA[5]
TDATA[4]
TDATA[3]
TDATA[2]
TDATA[1]
TDATA[0]
TDP
TPL
Type
Output
Output
Output
Pin No.
A21
D19
C20
B21
D20
B22
D21
B23
C18
D17
Transmit Data (TDATA[7:0]). This is the transmit data bus when
configured for the Transmit byte-wide interface. The transmit data
bus is a time division multiplexed bus which transports tributaries
by assigning them to fixed octets within the 77.76 MHz SBI336 or
TelecomBus structure.
TDATA[7:0] is updated on the rising edge of SYSCLK.
Transmit Data Parity (TDP). This is the transmit data bus parity
when configured for the Transmit byte-wide interface. This signal
carries the even or odd parity for the transmit bus signals. In
SBI336 mode, the parity calculation encompasses the TDATA[7:0],
TPL and TV5 signals. In TelecomBus mode, the parity calculation
encompasses the TDATA[7:0] and optionally the TC1FP and TPL
signals.
TDP is updated on the rising edge of SYSCLK.
Transmit Payload (TPL). The transmit SBI336 data bus payload
signal indicates valid tributary payload data when configured for the
transmit SBI336 byte-wide interface. In TelecomBus mode this
signal indicates valid path payload.
In SBI336 mode:
This active high signal indicates valid data within the SBI336
structure. This signal is high during all octets making up a tributary
which includes all octets shaded grey in the framing format tables.
This signal goes high during the V3 or H3 octet within a tributary to
accommodate negative timing adjustments between the tributary
rate and the fixed SBI336 structure. This signal goes low during the
octet following the V3 or H3 octet within a tributary to
accommodate positive timing adjustments between the tributary
rate and the fixed SBI336 structure. For fractional rate links this
signal indicates that the current octet is carrying valid data when
high.
In TelecomBus mode:
This signal distinguishes between transport overhead bytes and
synchronous payload bytes. TPL is set high to mark each payload
byte on TDATA[7:0] and is set low to mark each transport
overhead byte on TDATA[7:0].
TPL is updated on the rising edge of SYSCLK.
Function
SBS Telecom Standard Product Data Sheet
Preliminary
43