PM8388
Preview
24-Port SAS Expander
SXP 24x3G
PMC-2041219
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC.,
Copyright PMC-Sierra, Inc. 2004
Issue 1
AND FOR ITS CUSTOMERS' INTERNAL USE
All rights reserved.
BLOCK DIAGRAM
MUX
datapath
(ECR)
25x25
XBAR
Arbiter
ECM
BPP
Reference Clock
System Reset
PHY
SERDES
SXL
rx0 +/-
tx0 +/-
rx1 +/-
tx1 +/-
rx2 +/-
tx2 +/-
rx22 +/-
tx22 +/-
rx23 +/-
tx23 +/-
PHY
SERDES
SXL
...
...
...
REQ/
REQ_SND
SGPIO Clock
SGPIO Load
SGPIO Data Out
SGPIO Data In
SGPIO
UART
TWI Clock
TWI Data
TWI Reset
Multi-
Master
Two Wire
I/F (3)
CSU
PHY
SERDES
SXL
PHY
SERDES
SXL
PHY
SERDES
SXL
UART Data Out
UART Data In
Request to Send
Clear to Send
PACK
32-bit MIPS
core
128K
Scratch
RAM
Local
Bus
I/F
SMP
SES
Address Bus
Data Bus
Write Enable
Output Enable
Chip Enable
Interrupt
Interrupt
Controller
32K
Cache
Bridge
EJTAG
Debug Port
TD
B
G
TD
O
TD
I
TM
S
TC
K
TR
S
T
B
Timers
PM8388
SXP 24x3G
FEATURES
GENERAL
Flexible 24-port SAS Expander device
Virtual SSP target/initiator port
Low-latency connection arbitration
Supports table routing of 1024 entries,
direct routing and subtractive routing
Integrated a non-blocking cross bar
switch allowing any-port to any-port
connections
Arbitrary SAS wide port configurations
STP bridge function allows either SAS
or SATA target devices to be attached
to any port
Integrated RISC processor for SAS
SMP functions and SES support
Three configurable multi-master or
slave mode TWI interfaces for device
configration and control of external
interfaces
UART interface for debugging support
SFF-8485 compliant Serial GPIO
(SGPIO) interface provides expansion
for up to 144 GPIOs
HIGH-SPEED I/O
1.5 Gbit/s and 3.0 Gbit/s operation
Automatic negotiation of link speed
Accepts Spread Spectrum Clocking
(SSC) from SATA HDDs
Programmable transmit pre-emphasis
and receiver equalization
Programmable transmit output swing
to support both SATA and SAS levels
Integrated resistive termination and
receiver AC coupling
STATISTICS & PERFORMANCE
MONITORING
Per-port error counters to provide
comprehensive diagnostic functions
Programmable performance
monitoring counters and interrupt
generation
Each link incorporates PRBS and
CJPAT pattern generators and
checkers for link-integrity diagnostics
PHYSICAL
Built in 0.13
m (1.2 V core and 3.3 V
I/O supply) CMOS technology
Packaged in a 27 mm x 27 mm 352-pin
CSBGA
APPLICATIONS
SAS/SATA Storage Enclosure
SAS Fanout Expander
FIRMWARE DEVELOPMENT KIT
SES API for utilizing SES pages and
commands over the SAS link
SCSI-3 API for underlying access to
the SAS Port
SAS link layer, SMP & SSP Transport
Layer protocols
SMP routing management including
topology discovery
API for downloading firmware over the
SAS link
Expander Diagnostics API
Disk spin-up control
Peripheral Drivers for TWI, UART,
SGPIO, Timer
THIRD-PARTY SUPPORT
ThreadX Operating System from
Green Hills Software or Express Logic
MULTI Development Environment and
EJTAG Emulator from Green Hills
Software
Head Office:
PMC-Sierra, Inc.
8555 Baxter Place
Burnaby, B.C. V5A 4V7
Canada
Tel: 1.604.415.6000
Fax: 1.604.415.6200
24-Port SAS Expander
To order documentation,
send email to:
document@pmc-sierra.com
or contact the head office,
Attn: Document Coordinator
PMC-2041219 (V1)
Copyright PMC-Sierra, Inc. 2004. All
rights reserved. July 2004.
For a complete list of PMC-Sierra's
trademarks and registered trademarks,
visit: http://www.pmc-sierra.com/legal/
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS' INTERNAL USE
PM8388
SXP 24x3G
All product documentation is available
on our web site at:
http://www.pmc-sierra.com
For corporate information,
send email to:
info@pmc-sierra.com
FANOUT EXPANDER APPLICATION
Server 0
Server 3
Server 1
Server 2
...
...
SXP
24 x3G
PM8388
SXP
12x3G
PM8383
SXP
12x3G
PM8383
TYPICAL APPLICATIONS
SAS HDD ENCLOSURE APPLICATION
Slot Sense
&
Control
LEDs
Fan Sense
&
Control
Power Supplies
&
UPS
Control Card for Side B
SAS
4
x
wide link
Additional
Disk Racks
Control Card for Side
Disk Shelf
Temp
Sense
TWI
GPIO
SAS
4
x
wide link
SAS
4
x
wide link
Additional
Disk Racks
CTS
18
x
4
G
PM
8378
SXP
24
x
3
G
Temp
Sense
TWI
GPIO
SAS
4
x
wide link
CTS
18
x
4
G
SXP
24
x
3
G
PM
8388
PM
8388
GPIO
Fanout
GPIO
Fanout
SGPIO
or
TWI
SGPIO
or
TWI
Flash Memory
or SDRAM
Disk
0
Disk
1
Disk
2
Disk
13
Disk
14
Disk
15
.
.
.
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