MPC5553/MPC5554 Microcontroller Reference Manual, Rev. 5
7-12 Freescale Semiconductor
some time. However, when a master does make a request to the slave port it will be delayed by one
clock because it will have to arbitrate to acquire ownership of the slave port.
7.4 Revision History
Table 7-5. Changes to MPC5553/5554 for Rev. 4.0 Release
Description of Change
• Added to Register Descriptions section: “Please note the difference in numerical values of XBAR Master Port and Master
ID as shown in Tabl e 7- 1.”
• Changed wording of reserved fields in registers:
From: “Reserved”
To: “Reserved, should be cleared.”
• Added this note in Bits 18-19 of XBAR_MPR register: “In the MPC5554, this master is not used. Setting its value to its
reset value (0b011) insures that it does not conflict with other master priorities.”
Table 7-6. Changes to MPC5553/5554 for Rev. 5.0 Release
Description of Change
No change for Rev. 5 release.
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