This document contains information on a new product. Specifications and information herein
are subject to change without notice.
© Freescale Semiconductor, Inc., 2002, 2005. All rights reserved.
Freescale Semiconductor
Advance Information
This document describes part-n umber-specific changes to
recommended operating conditions and revised electrical
specifications, as applicable, from those described in the
general MPC7455 RISC Micr oprocessor Har dware
Specifications (Order No. MPC7455EC). The MPC7455 is a
PowerPC™ microprocessor.
Specifications provided in this document supersede those in
the MPC7455 RISC Microprocessor Hardware
Specifications, Rev. 0 or later, for the part numbers listed in
Table A only. Specifications not addressed herein are
unchanged. Because this document is frequently updated,
refer to http://www.freescale.com or contact your Freescale
sales office for the latest version.
Note that headings and table numbers in this document are
not consecutively numbered. They are intended to
correspond to the heading or table aff ected in the general
hardware specification.
Document Number: MPC7455ECS04AD
Rev. 0.1, 10/2005
Freescale Part Numbers Affected:
XPC7455RX1000SC
MPC7455 RISC Microprocessor
Hardware Specifications Addendum
for the XPC74
n
5RX
nnnn
S
x
Series
MPC7455 RISC Microprocessor Hardware Specifications Addendum for the XPC74n5RXnnnnSx Series, Rev. 0.1
2Freescale Semiconductor
The part number addressed in this document is listed in Table A.
1.1 Features
This section summarizes changes to the features of the MPC7455 described in t he MPC7455 RISC
Microprocessor Hardware Specifications.
• Power management
— 1.85-V processor core
1.4 General Parameters
• Core power supply: 1.85 V ±50 mV DC nominal
1.5.1 DC Electrical Characteristics
Table 4 provides the recommended operating conditions for the MPC7455 part number described herein.
Table A. Part Numbers Addressed by This Data Sheet
Freescale
Part Number
Operating Conditions
Significant Differences from
Hardware Specification
CPU
Frequency
(MHz)
VDD
Tj
(°C)
XPC7455RX1000SC 1000 1.85 V ±50 mV 0 to 75 Modified core voltage and temperature specifications
to achieve 1 GHz.
Note: The X prefix in a Freescale part number designates a “Pilot Production Prototype” as defined by Freescale SOP 3-13.
These are from a limited production volume of prototypes manufactured, tested, and Q.A. inspected on a qualified
technology to simulate normal production. These parts have only preliminary reliability and characterization data. Before
pilot production prototypes may be shipped, written authorization from the customer must be on file in the applicable sales
office acknowledging the qualification status and the fact that product changes may still occur while shipping pilot
production prototypes.
Table 4. Recommended Operating Conditions
Characteristic Symbol Recommended Value Unit
Core supply voltage VDD 1.85 V ±50 mV V
PLL supply voltage AVDD 1.85 V ±50 mV V
Die-junction temperature Tj0 to 75 °C
Note: These are the recommended and tested operating conditions. Proper device operation outside of these conditions is
not guaranteed.
MPC7455 RISC Microprocessor Hardware Specifications Addendum for the XPC74n5RXnnnnSx Series, Rev. 0.1
Freescale Semiconductor 3
Table 7 provides the power consumption for the MPC7455 part number described herein.
Table 7. Power Consumption for MPC7455
Processor (CPU)
Frequency Unit Notes
1000 MHz
Full-Power Mode
Typi cal 35.5 W 1, 3
Maximum 50.0 W 1, 2
Doze Mode
Typi cal — W 1, 2, 4
Nap Mode
Typi cal 3.7 W 1, 2
Sleep Mode
Typi cal 1.7 W 1, 2
Deep Sleep Mode (PLL Disabled)
Typi cal 1.1 W 1, 3
Notes:
1. These values apply for all valid processor bus and L3 bus ratios. The values do not include I/O supply power (OVDD and
GVDD) or PLL supply power (AVDD). OVDD and GVDD power is system dependent, but is typically <20% of VDD power.
Worst case power consumption for AVDD < 3 mW.
2. Maximum power is measured at nominal VDD while running an entirely cache-resident, contrived sequence of instructions
which keep the execution units, with or without AltiVec™, maximally busy.
3. Typical power is an average value measured at nominal VDD and 65°C in a system while running a typical code sequence.
4. Doze mode is not a user-definable state; it is an intermediate state between full-power and either nap or sleep mode. As a
result, power consumption for this mode is not tested.
MPC7455 RISC Microprocessor Hardware Specifications Addendum for the XPC74n5RXnnnnSx Series, Rev. 0.1
4Freescale Semiconductor
1.11 Ordering Information
1.11.1 Part Numbers Addressed by This Specification
Table 20 provides the ordering information for the MPC7455 part described in this document.
1.11.3 Part Marking
Parts are marked as the example shown in Figure 27.
Figure 27. Freescale Part Marking for CBGA Device
Table 20. Part Marking Nomenclature
XPC 74
n
5RX
nnnn x x
Product Code Part Identifier Package Processor
Frequency1Application Modifier Revision Level
XPC 27455 RX = CBGA 1000 S: 1.85 V ±50 mV
0 to 75°C
C: 2.1; PVR = 8001 0201
Notes:
1. Processor core frequencies supported by parts addressed by this specification only. Parts addressed by other specifications
may support other maximum core frequencies.
2. The X prefix in a Freescale part number designates a “Pilot Production Prototype” as defined by Freescale SOP 3-13.
These are from a limited production volume of prototypes manufactured, tested, and Q.A. inspected on a qualified
technology to simulate normal production. These parts have only preliminary reliability and characterization data. Before
pilot production prototypes may be shipped, written authorization from the customer must be on file in the applicable sales
office acknowledging the qualification status and the fact that product changes may still occur while shipping pilot production
prototypes.
CBGA
XPC7455
RX1000SC
MMMMMM
ATWLYYWWA
7455
Notes:
CCCCC is the country of assembly. This space is left blank if parts are
MMMMMM is the 6-digit mask number.
ATWLYYWWA is the traceability code.
assembled in the United States.
MPC7455 RISC Microprocessor Hardware Specifications Addendum for the XPC74n5RXnnnnSx Series, Rev. 0.1
Freescale Semiconductor 5
Document Revision History
Table B provides a revision history for this hardware specification addendum .
Table B. Document Revision History
Rev.
No. Date Editor/
Writer Substantive Change(s)
0.1 07/19/2005 NB Changed document order number (was MPC7455RXSXPNS, Rev. 0). Updated to Freescale
template.
0 04/2002 NB/ME Initial release.
MPC7455 RISC Microprocessor Hardware Specifications Addendum for the XPC74n5RXnnnnSx Series, Rev. 0.1
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MPC7455 RISC Microprocessor Hardware Specifications Addendum for the XPC74n5RXnnnnSx Series, Rev. 0.1
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Document Number: MPC7455ECS04AD
Rev. 0.1
10/2005
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