MPC555CME Freescale Semiconductor, MPC555CME Datasheet - Page 330
MPC555CME
Manufacturer Part Number
MPC555CME
Description
KIT EVALUATION FOR MPC555
Manufacturer
Freescale Semiconductor
Type
Microcontrollerr
Datasheet
1.MPC555CME.pdf
(966 pages)
Specifications of MPC555CME
Contents
Module Board, Installation Guide, Power Supply, Cable, Software and more
Processor To Be Evaluated
MPC555
Data Bus Width
32 bit
Interface Type
RS-232
For Use With/related Products
MPC555
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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MPC555
USER’S MANUAL
Figure 9-26
tocol.
Table 9-4 Priority Between Internal and External Masters over External Bus
NOTES:
Instruction access
1. External master will be granted external bus ownership if EARP is greater than the internal access pri-
2. Parked access is instruction or data access from the RCPU which is initiated on the internal bus without
3. Refer to
Parked access
External access
/
ority.
requesting it first in order to improve performance.
Data access
MPC556
Type
6.13.1.1 SIU Module Configuration
illustrates the internal finite-state machine that implements the arbiter pro-
2
external → external/internal
Internal → external
Internal → external
Internal → external
EXTERNAL BUS INTERFACE
Direction
Rev. 15 October 2000
Register.
EARP
3
(could be programmed to 0 – 7)
Priority
0
3
4
MOTOROLA
1
9-34
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