Evb Reset Switches; Evb Dip Switches - Motorola MPC505EVB User Manual

HARDWARE PREPARATION AND INSTALLATION
2.2.9

EVB Reset Switches

There are two reset switches on the EVB:
• Switch SW1 lets you reset the MPC505 MCU
• Switch SW2 lets you reset the EVB.

2.2.10 EVB DIP Switches

There are six DIP switches on the EVB (DS1 – DS6):
• DS1 – Attaches the MCU chip selects to the EVB on-board memory and peripheral
devices. You may disable on-board chip selects and connect them via the expansion
connectors (P6 and P8) to external memory or peripheral devices.
• DS2, DS3, DS4, DS5 – Data Bus Reset Configuration Word
• DS6 – On the EVB are 3 RS232 ports (P2, P3, & P4) and one background debug
mode connector (P5). Each of the RS-232 ports can be either DTE or DCE port
(defined by DS6 switches 2, 3 and 4). While the host computer may be connected to
the RS-232 port or the debug mode connector (DS6 switch 1).
2-10 MPC505EVBUM/D