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Communication Ports
100_IRQ Option Jumper
The 100_IRQ Option jumper provides Ethernet Interrupt capability to the MPC564 processor.
With the option installed and the LAN91C111 device properly configured, the MPC564 IRQ1
interrupt can be applied to service the port.
LINK and STAT Indicators
The LAN91C111 Ethernet controller provides two indication drivers under software control. The
LINK indicator is driven by the LAN91C111 LEDA output and the STAT indicator is driven by the
LEDB output.
MII Connector
The MII connector location is for testing and the connection of an external Ethernet PHY device.
This connector is not installed or supported by the EVB application.
1.4.4 BDM and NEXUS Development Ports
Both NEXUS (MPC564 Readi Module) and standard BDM (background debug module)
development ports are provided on the MPC564EVB for application of integrated software debug
tool suites. In order to use the BDM, simply connect the 10-pin debug connector on the board,
BDM_PORT, to the P&E BDM wiggler cable provided in the kit. No special setting is needed.
Refer to the MPC564 User's Manual BDM Section for additiona instructions. The NEXUS
interface provides the IEEE-ISTO 5001 50 pin standard I/O connections and connector and the
BDM port provides the standard 10 pin interface (refer to MPC564EVB schematic sheet 3 for
details). User should observe that both ports can not be applied at the same time. Note that the
NEXUS interface applies some of the MPC564 standard I/O signals from the MIOS module as
alternate development port I/O signals. Following are the I/O effected:
MGPIO 0, 1, 2, 3, 5, 6.
MPWM 0, 1, 17, 19
1-14
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Table 1-5. Ethernet Jack J3
PIN
SIGNAL
1
TX+
2
TX-
3
RX+
4
Term 1 75 ohm
5
Term 1 75 ohm
6
RX-
7
Term 2 75 ohm
8
Term 2 75 ohm
MPC564EVB User's Manual
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