Single-chip solution for connecting
up to four PowerPC 7xx processors
CPC710-133 PCI Bridge
and SDRAM Memory Controller
Highlights
Provides a high-performance
single-chip system controller for
PowerPC
廬
processor designs
geared to high-throughput
applications
Features an integrated 133MHz
SDRAM controller with support
for industry-standard memory
and a 133MHz 2.5V CPU bus
interface with an internal arbiter
that supports multiple
processors
Dual PCI interfaces can ease
board design and provide design
flexibility
Multiple internal data paths
support high-speed data
transfers between interfaces
integrated, full-featured design enables
a wide range of configurations geared
to diverse requirements. Implemented
CPU1
CPU2
and each PCI bus, along with multiple
data paths, allow concurrent non-block-
ing transfers to support fast-access
in IBM鈥檚 SA-12e process technology, the
designs.
7XX/6XX
CPC710-133 controller takes advantage
PowerPC
of IBM鈥檚 advanced ASIC capabilities to
deliver exceptional price/performance
64+4 bits
to satisfy price-sensitive applications.
PowerPC 60x/7xx
Processor Interface
PowerPC Processor Interface
CPU3
CPU4
3.5 GB
133 MHz
SDRAM
SDRAM Memory Controller
The versatile CPC710-133 memory con-
64+8 bits
troller supports a wide range of
SDRAM
industry-standard memories, enabling
Controller
customers to choose cost-effective solu-
Offering speeds of up to 133MHz (at
tions for their applications. The memory
Reset
Internal Bus
DMA
Clocks
2.5V), the CPC710-133 CPU interface
Control
controller supports 133MHz SDRAMs,
Controller
JTAG
implements a 64-bit data bus and
PC133-compliant SDRAM modules and
a 32-bit address bus with internal
33MHz PCI-Bus
arbitration logic that supports up to
four PowerPC 7xx processors and
DIMMs, and registered SDRAM DIMMs.
66MHz PCI Bus
Designers can use 16, 64, or 256Mb
memories in 2- to 4-bank configurations
pipelining of up to six outstanding
or design
64 bit
to 3.5GB in 6 DIMMs.
for up
32 bit
transactions. Additionally, separate dual
Block diagram
provides high reliability,
CPC710-133
The CPC710-133
32-byte load buffers for the CPU bus
without a performance penalty, using an
7XX/6XX
PowerPC
64+4 bits
3.5 GB
133 MHz
SDRAM
64+8 bits
SDRAM
Controller
Robust features support diverse
high-speed designs
The CPC710-133 PCI Bridge SDRAM
Memory Controller is a single-chip
solution for applications requiring high
throughput, including networking
devices such as access routers,
gateways, VPN equipment and
switches, and real-time-data and
signal-processing applications. The
CPC710-133 controller鈥檚 highly
PowerPC 60x/7xx
Processor Interface
Reset
Clocks
JTAG
Internal Bus
Control
DMA
Controller
33MHz PCI-Bus
66MHz PCI Bus
32 bit
CPC710-133 block diagram
64 bit
CPC710-133 Block diagram
1
2
