Motorola MPC750 用户手册
MPC750UMAD/AD
1/1999
Rev. 1
ª
This document contains information on a new product under development by Motorola and IBM. Motorola and IBM reserve the right to change or
discontinue this product without notice.
discontinue this product without notice.
©
Motorola Inc., 1999. All rights reserved.
Errata to
MPC750 RISC Microprocessor UserÕs
Manual
Manual
This errata describes corrections to the
MPC750 RISC Microprocessor
UserÕs Manual
. These corrections also apply to the MPC740, which is
described in
MPC750 RISC Microprocessor UserÕs Manual
. For
convenience, the section number and page number of the errata item in the
userÕs manual are provided.
userÕs manual are provided.
To locate any published updates for this document, refer to the world-wide
web at http://www.mot.com/powerpc.
web at http://www.mot.com/powerpc.
Section/Page
Changes
2.1.1, 2-7
The implementation note for the decrementer register
(DEC) should read as follows:
(DEC) should read as follows:
In the MPC750 the decrementer register is decremented
and the time base is incremented at a speed that is
one-fourth the speed of the bus clock.
and the time base is incremented at a speed that is
one-fourth the speed of the bus clock.
2.1.2.2, 2-12
In Table 2-4, replace the description of HID0[DBP]
(bit 1), with the following:
(bit 1), with the following: