MPC5565 Microcontroller Reference Manual, Rev. 1.0
Freescale Semiconductor
7-1
Chapter 7
Crossbar Switch (XBAR)
7.1
Introduction
This chapter describes the multi-port crossbar switch (XBAR), which supports simultaneous connections
between three master ports and five slave ports. XBAR supports a 32-bit address bus width and a 64-bit
data bus width at all master and slave ports.
7.1.1
Block Diagram
shows a block diagram of the crossbar switch.
Figure 7-1. XBAR Block Diagram
gives the crossbar switch port for each master and slave, and the assigned and fixed ID number
for each master. The following table shows the master ID numbers as they relate to the master port
numbers:
Table 7-1. XBAR Switch Ports
Module
Port
Master ID
Type
Number
e200z6 core–CPU instruction / data
Master 0
0
e200z6–Nexus
Master 0
1
eDMA
Master 1
2
External bus interface
Master 2
3
Flash
Slave 0
—
Master
Crossbar Switch
Slave
Master modules
Slave modules
Master
Master
Slave
Slave
. . . .
. . . .
Содержание MPC5565
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