PM5366-PI PMC-Sierra, Inc., PM5366-PI Datasheet - Page 63
PM5366-PI
Manufacturer Part Number
PM5366-PI
Description
HIGH DENSITY 84/63 CHANNEL VT/TU MAPPER AND M13 MULTIPLEXER
Manufacturer
PMC-Sierra, Inc.
Datasheet
1.PM5366-PI.pdf
(267 pages)
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DATASHEET
PMC-2010672
Pin Name
SDDATA[0]
SDDATA[1]
SDDATA[2]
SDDATA[3]
SDDATA[4]
SDDATA[5]
SDDATA[6]
SDDATA[7]
SDDP
SDPL
PROPRIETARY AND CONFIDENTIAL
Type
Output
Tristate
Output
Tristate
Output
Tristate
ISSUE 1
Pin
No.
C5
A4
B5
C6
A5
B6
C7
D6
A6
A7
Function
System Drop Bus Data (SDDATA[7:0]). The System
drop data bus is a time division multiplexed bus which
carries the E1, T1 and DS3 tributary data is byte serial
format over the SBI bus structure. This device only
drives the data bus during the timeslots assigned to
this device.
SDDATA[7:0] is updated on the rising edge of
SREFCLK.
System Drop Bus Data Parity (SDDP). The system
drop bus signal carries the even or odd parity for the
drop bus signals SDDATA[7:0], SDPL and SDV5.
Whenever the TEMAP-84 drives the data bus, the
parity is valid.
SDDP is updated on the rising edge of SREFCLK.
System Drop Bus Payload Active (SDPL). The
payload active signal indicates valid data within the SBI
bus structure. This signal is asserted during all octets
making up a tributary. This signal goes high during the
V3 or H3 octet of a tributary to accommodate negative
timing adjustments between the tributary rate and the
fixed SBI bus structure. This signal goes low during the
octet after the V3 or H3 octet of a tributary to
accommodate positive timing adjustments between the
tributary rate and the fixed SBI bus structure.
In the flexible bandwidth configuration, SDPL is
asserted for each byte as it becomes available.
Therefore, SDPL may be high or low arbitrarily during
any SREFCLK cycle.
The TEMAP-84 only drives the payload active signal
during the tributary timeslots assigned to this device.
SDPL is updated on the rising edge of SREFCLK.
51
HIGH DENSITY 84/63 CHANNEL VT/TU MAPPER
AND M13 MULTIPLEXER
PM5366 TEMAP-84
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