MPC8541EEC
Rev. 4.2, 1/2008
Freescale Semiconductor
Technical Data
MPC8541E PowerQUICC™ III
Integrated Communications Processor
Hardware Specification
Contents
The MPC8541E integrates a PowerPC™ processor core
1. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
built on Power Architecture™ technology with system logic
required for networking, telecommunications, and wireless
infrastructure applications. The MPC8541E is a member of
the PowerQUICC™ III family of devices that combine
system-level support for industry-standard interfaces with
processors that implement the embedded category of the
Power Architecture technology. For functional
characteristics of the processor, refer to the MPC8555E
PowerQUICC™ III Integrated Communications Processor
Reference Manual.
2. Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 7
3. Power Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 12
4. Clock Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5. RESET Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6. DDR SDRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7. DUART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
8. Ethernet: Three-Speed, MII Management . . . . . . . . . . 21
9. Local Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
10. CPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
11. JTAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
12. I2C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
13. PCI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
14. Package and Pin Listings . . . . . . . . . . . . . . . . . . . . . . . 54
15. Clocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
16. Thermal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
17. System Design Information . . . . . . . . . . . . . . . . . . . . . 76
18. Document Revision History . . . . . . . . . . . . . . . . . . . . 83
19. Device Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . 84
To locate any published errata or updates for this document
refer to http://www.freescale.com or contact your Freescale
sales office.
© Freescale Semiconductor, Inc., 2008. All rights reserved.