PM5355 Manuals


PM5355
PMC-Sierra,Inc.
S/UNI-622
622 Mbit/s SATURN User Network Interface
FEATURES
• Compatible with ATM Forum UTOPIA 
• Packaged in a 208-pin, 28 mm by 
interface format, with support for multi-
28 mm slugged Plastic Quad Flat Pack 
• Monolithic SATURN®-compatible 
PHY applications.
(PQFP) with 0.5 mm pin pitch.
SONET/SDH ATM User Network 
• Provides access to section and line 
Interface (UNI) for LAN, Public UNI, and 
datalinks and all additional overhead to 
Public NNI connections.
allow external processing for full 
APPLICATIONS 
• Implements the ATM Transmission 
SONET/SDH Network-Node Interface 
• Workstations and Personal Computer
Convergence (TC) sublayer according to 
(NNI) compliance.
• LAN Switches and Hubs 
ATM Forum specifications using the 
• Provides a generic 8-bit 
• Routers
SONET/SDH 622.08 Mbit/s and 
microprocessor bus interface for 
155.52 Mbit/s formats.
• Video Servers
configuration, control, and status 
• Also supports the SONET 51.84 Mbit/s 
• Backbones
monitoring.
format.
• Broadband Switching Systems
• Provides a standard 5-signal P1149.1 
• Processes all SONET/SDH UNI 
• Test Equipment
JTAG test port for boundary scan 
overhead.
board test purposes.
• Inserts and extracts ATM payloads using 
• Provides TTL-compatible inputs and 
ATM cell delineation. 
outputs. 
• Provides a SCI-PHY™-compliant 50 MHz 
• Low power, +5 V CMOS technology.
synchronous 16-bit (4-cell deep) FIFO 
buffers in both transmit and receive paths. 
BLOCK DIAGRAM
C
LK
C
W
,
 TSU
 TO
W
W
]
O
K
K
O
]
K,
K
P
K
]
L
L
[4:1
F
EN
FP
EN
:
0
B
S
C
,
 TS
,
 T
H
H
HCL
H
K
H
H
5
:
0
H
I
S
AI
RDI
DCL
D
O
O
O
O
L
P
OCL
OHCL
RDI
P[
3
P
FC
FF
S
P[
O
I
K
ST
L
L
T
T
P
P
TL
TSD
TSD
T
T
TL
T
TT
T
TT
TC
TF
GT
TPO
TPO
T
TPO
TPA
T
PO
PI
TC
TG
XO
TD
TD
TC
TM
TR
Transport
Path 
Parallel
O/H
JTAG Test
O/H
Input/Output 
Insert
Access Port
Insert
Port
TSICLK
TSOC
TSOUT
TDAT[15:0]
Transmit
TXPRTY[1:0]
FPOUT
Section 
Transmit Path 
O/H 
Transmit
Byte-
TCA
POUT[7:0]
Transmit
Transmit 
O/H Processor
Processor
Line O/H
Interleaved 
ATM Cell
ATM 4-Cell 
TWRENB
OOF
Processor
Mux
Transmit ConCat
Processor
Processor
Section
Path
FIFO
TFCLK
Line Side 
Drop 
PICLK
Trace
Trace
Interface
Side 
RSOC
FPIN
Buffer
Receive ConCat
Buffer
Receive
Receive 
Interface
Receive
Byte-
Processor
ATM Cell
ATM 4-Cell 
RDAT[15:0]
FPOS
Receive
Line O/H
Interleaved 
Processor
FIFO
Section 
Receive Path 
RXPRTY[1:0]
PIN[7:0]
Processor
Demux
O/H 
O/H Processor
RCA
RSICLK
Processor
RRDENB
RSIN
RFCLK
Transport
Path O/H
Microprocessor
O/H
Extract
Interface
Extract
]
]
]
S
K
K
P
K
P
H
P
K
P
S
D
IS
LK
:
0
:
0
E
B
B
C
RDI
OW
O
7
7
T
LO
LOF
LA
[4:1
C
LO
LC
AL
CSB
L
PAI
RCP
SEN
DCL
OHF
HCL
OHF
HCL
PRDI
D[
A[
WRB
RDB
INT
RS
RP
RGF
T
WCL
,
 RSUC
OH
O
W
RL
D, RL
RT
GRO
RPOHF
RT
RT
RPO
K, RO
RL
RSDCL
RSD, RSO
PMC-940402 (R5) 
©1998 PMC-Sierra, Inc. October, 1998

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