MPC555CME Freescale Semiconductor, MPC555CME Datasheet - Page 353
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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10.1 Overview
MPC555 / MPC556
USER’S MANUAL
The memory controller generates interface signals to support a glueless interface to
external memory and peripheral devices. It supports four regions, each with its own
programmed attributes. The four regions are reflected on four chip-select pins. Read
and write strobes are also provided.
The memory controller operates in parallel with the external bus interface to support
external cycles. When an access to one of the memory regions is initiated, the memory
controller takes ownership of the external signals and controls the access until its ter-
mination. Refer to
The memory controller provides a glueless interface to EPROM, static RAM (SRAM),
Flash EPROM (FEPROM), and other peripherals. The general-purpose chip-selects
are available on lines CS[0] through CS[3]. CS[0] also functions as the global (boot)
Internal Bus
Figure 10-1 Memory Controller Function Within the USIU
Interface
U-bus
Figure
MEMORY CONTROLLER
10-1.
Memory Controller
MEMORY CONTROLLER
Rev. 15 October 2000
EBI Bus
SECTION 10
Bus
Controller
Interface
External
Memory
Bus
ADDR[0:31]
DATA[0:31]
Control Bus
WE[0:3]/BE[0:3]
OE
CS[0:3]
MOTOROLA
10-1
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