Datasheet
PowerPC 970FX RISC Microprocessor
About This Datasheet
This datasheet describes the IBM® PowerPC® 970FX RISC Microprocessor. This microprocessor, also
called the PPC 970FX, is a 64-bit implementation of the IBM PowerPC family of reduced instruction set
computer (RISC) microprocessors that are based on the PowerPC Architecture™.
Who Should Read This Datasheet
This datasheet is intended for designers who plan to develop products using the PPC 970FX.
Related Publications
Related IBM publications include the following documents:
• PowerPC 970FX RISC Microprocessor Users Manual
• PowerPC 970FX Power-On Reset Application Note
• PowerPC 970FX DD3.x Errata List
Other related publications include the following documents:
• The I2C-bus specification. This document can be downloaded from the NXP web site at
http://www.nxp.com/products/interface_control/i2c/.
Conventions and Notations Used in This Datasheet
The use of overbars, for example DDEL_OUT, designates signals that are active low or the complement of
differential signals.
The following software documentation conventions are used in this manual:
1. Function names are written in bold type. For example,
np_npms_proc_register ().
2. Variables are written in italic type. For example, enable_mode.
3. Keywords and data types are shown by being written all in capitals with underlines between words. For
example, OFF_DISABLED.
Version 2.5
About This Datasheet
Page 11 of 78
March 26, 2007
IBM [ IBM ]
