Overview
Addressing the need for higher compute
density and lower system cost, the Freescale
MPC8540 PowerQUICC™ III integrated
communications processor, built on Power
Architecture™ technology, is designed to
provide an exceptionally high level of
performance and integration. Balancing
processor performance with I/O system
throughput, the MPC8540 is a powerful
control element for network routers and
switches, storage subsystems,
telecommunications systems and
imaging devices.
Innovative Technology
The MPC8540 processor integrates two
10/100/1000 Ethernet controllers (with
support for jumbo frames), a 10/100 Ethernet
controller, a 64-bit PCI/PCI-X controller
operating at up to 133 MHz, an 8-bit 500 MHz
parallel RapidIO® controller, a DDR memory
controller, a four-channel DMA, a
multi-channel interrupt controller and a
DUART serial interface. Its high level of
integration means simplified board design,
low power consumption and a fast time to
market solution for customers.
The MPC8540 integrates the e500 core, 256
KB of on-chip L2 cache and the revolutionary
on-chip, non-blocking, crossbar switch fabric
on-chip network (OCeaN), allowing for full
duplex port connections and independent
per-port transaction queuing and flow control.
Platform Architecture
Using a system-on-chip (SoC) platform that
balances MIPS, watts, packet performance
and cost, Freescale has created a flexible
platform architecture enabling multiple
products to be derived from an easily
integrated IP.
The high-performance e500 core, built on
Power Architecture technology, provides
unprecedented levels of hardware and
software debug support. The e500 core
spans Freescale’s processor families of
ASSPs for networking, communications,
automotive and consumer applications.
Integrated Communications Processors
MPC8540 PowerQUICC™ III Processor
Core Complex Bus
e500 Core
32 KB L1
I Cache
256 KB
L2-Cache/
SRAM
Memory
Control
MPC8540 Block Diagram
DDR SDRAM
Controller
DDR
SDRAM
RapidIO-8
16 Gb/s
PCI-X 64b
133 MHz
ROM,
SDRAM,
GPIO
IRQs
MII, GMII, TBI,
RTBI, RGMII
MII, GMII, TBI,
RTBI, RGMII
MII
Serial
I
2
C
Local Bus
Controller
Programmable
Interrupt Controller
DUART
10/100
ENET
e500
Coherency
Module
I
2
C
Controller
RapidIO
®
Controller
4-ch. DMA Controller
PCI/PCI-X Controller
TSEC
10/100/1G
TSEC
10/100/1G
RapidIO Interconnect Technology
As a founding member of the RapidIO
Trade Association, Freescale has been
driving the industry’s adoption of this new
high-performance switch fabric control plane
interconnect. RapidIO technology offers
significantly greater bandwidth, scalability and
reliability than other interconnects used today,
yet is compatible with existing PCI and CPU
architectures. It has a flexible architecture
that can easily adapt to changing industry
needs without affecting existing infrastructure.
RapidIO technology is an open standard
governed by an industry body, designed
specifically for embedded, networking and
communications applications.
Key Advantages
• High level of integration and
performance
• Lower power consumption
• Fast time to market solution
• Enabled by RapidIO interconnect
technology
• Flexible SoC platform
• Simplified board design compatibility
• Designed to integrate seamlessly with
Freescale’s networking, security and
communications processors
• Compatible with a rich set of
operating systems, compilers and
development tools
Technical Specifications
• High-performance embedded e500 core
available from 667 MHz to 1 GHz
32-bit, dual-issue, superscalar,
seven-stage pipeline
2310 MIPS at 1 GHz
(estimate Dhrystone 2.1)
32 KB L1 data and 32 KB L1 instruction
cache with line locking support
256 KB on-chip L2 cache with direct
mapped capability
Enhanced hardware and software
debug support
Memory management unit (MMU)
SIMD extension with single precision
floating point
• Two TSECs supporting 10/100/1000
Mbps Ethernet with two GMII/TBI/RGMII
interfaces
• DDR SDRAM memory controller
166 MHz, 64-bit, 2.5V I/O
Full ECC support
• RapidIO controller—500 MHz,
8-bit, LVDS I/O
• PCI, PCI-X controller
PCI 2.2 and PCI-X 1.0 compatible
64- or 32-bit PCI from 16 to 66 MHz
64-bit PCI-X support up to 133 MHz
Host and agent mode support
• Integrated 4-channel DMA controller
• Local bus with memory controller—
166 MHz, 32-bit, 3.3V I/O
• Interrupt controller
• IEEE® 1149.1 JTAG test access port
• 1.2V core power supply
(1.3V for 1 GHz operation)
with 3.3V and 2.5V I/O
• 783-pin FC-BGA package
PowerQUICC™ III Processor Family
MPC8541E
MPC8540
MPC8555E
MPC8560
Core
e500
e500
e500
e500
I-Cache/D-Cache (KB)
32/32
32/32
32/32
32/32
Integrated L2 Cache (KB)
256
256
256
256
Integrated Security Engine
Yes
-
Yes
-
Fast Communications Controllers
-
-
3
3
Serial Communications Controllers
-
-
3
4
Ethernet (10/100 only)
2
1
Up to 2
Up to 3
Ethernet (10/100/1000)
2
2
2
2
I2C Controller
2
1
2
2
UTOPIA Level II Ports
-
-
2
2
Multi-Channel HDLC
-
-
Up to 64
(QMC)
Up to 256
PCI Interface
2x 32-bit or
1x 64-bit
1x 32/64-bit
2x 32-bit or
1x 64-bit
1x 32/64-bit
PCI-X Interface
-
Yes
-
Yes
RapidIO® Interface
-
Yes
-
Yes
Learn More: For current information about Freescale
products and documentation, please visit
www.freescale.com.
Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service
names are the property of their respective owners. The Power Architecture and Power.org word marks and the Power
and Power.org logos and related marks are trademarks and service marks licensed by Power.org.
© Freescale Semiconductor, Inc. 2007
Document Number: MPC8540FACT
REV 8
