User`s manual

HARDWARE PREPARATION AND INSTALLATION
M68332BCC/D 2-4 MOTOROLA
REV 1
Table 2-1. Jumper Header Summary (continued)
Jumper
Header Type Description
J5
(1)
2
1
Jumper between pins 1 and 2 (factory default); connects the on-board receive
data serial communication drivers to the MC68332 MCU device.
No jumper; disconnects the on-board receive data serial communication drivers
from the MC68332 MCU device. This allows connection of the MCU serial port
to off board logic.
J6
(1)
3
2
1
Jumper between pins 1 and 2; selects an external clock source for the
MC68332 MCU device.
Jumper between pins 2 and 3 (factory default); selects the on-board oscillator
as the MC68332 MCU device clock source.
J7
9
7
5
3
1
10
8
6
4
2
10-pin background mode connector.
J8
4
3
2
1
4-pin RS-232C serial connector.
1. These jumper headers are shorted by a trace on the solder side of the PCB (between the pins), as
shown in the schematics. Cut the trace when using the optional feature provided by the jumper.