MPC5553/MPC5554 Microcontroller Reference Manual, Rev. 5
12-12 Freescale Semiconductor
NOTE
The open drain mode of the pads configuration module is not used for any
EBI signals. For a description of how signals are driven by multiple devices
in external master mode, see Section 12.4.2.10, “Bus Operation in External
Master Mode.”
Table 12-5. Signal Function by Mode
Signal Name
Device Modes
MPC5554
Contains the
Signal?
MPC5553
Package
That
Contains the
Signal
Module Disable Mode
Function
(EXTM = X, MDIS = 1)
Single Master Mode
Function (Direction)
(EXTM = 0, MDIS = 0)
External Master Mode
Function (Direction)
(EXTM = 1, MDIS = 0)
ADDR[8:11]
Ye s
416 non-EBI function Address bus (Output) Address bus (I/O)
1
1
All I/O signals are three-stated by the EBI when not actively involved in a transfer.
ADDR[12:31] 416, 324 non-EBI function Address bus (Output) Address bus (I/O)
1
BB None non-EBI function non-EBI function Bus Busy (I/O)
BDIP
416, 324 non-EBI function Burst Data in Progress (Output)
BG
None non-EBI function non-EBI function Bus Grant (I/O)
BR
None non-EBI function non-EBI function Bus Request (I/O)
CS
[0:3] 416, 324 non-EBI function Chip Selects (Output)
DATA[0:15] 416, 324 non-EBI function Data bus (I/O)
DATA[16:31] 416 non-EBI function Data bus (I/O)
OE
416, 324 non-EBI function Output Enable (Output)
RD_WR
416, 324 non-EBI function Read_Write (Output) Read_Write (I/O)
TA
416, 324 non-EBI function Transfer Acknowledge (I/O)
TEA
416 non-EBI function Transfer Error Acknowledge (I/O)
TS
416, 324 non-EBI function Transfer Start (Output) Transfer Start (I/O)
TSIZ[0:1] None non-EBI function Transfer Size (Output) Transfer Size (I/O)
WE
[0:]/BE[0:1] 416, 324 non-EBI function Write/Byte Enables (Output)
WE
[2:3]/BE[2:3] 416 non-EBI function Write/Byte Enables (Output)
CAL_CS
[0]
CAL_CS
[2:3]
No 416 non-EBI function Chip Selects (Output)