M68EML08GZ16 Emulation Module - Version 4.0
User’s Manual
30
Support Information
MOTOROLA
Support Information
Figure 3-5 Connector J12 Pin Assignments
3.5 Analog-to-Digital Converter Reference Voltage Connector E4
Connector E4 is the source for the filtered A/D reference voltages. Figure 3-6
and Table 3-6 give the pin assignments and signal descriptions for this
connector. The factory test uses this connection.
Figure 3-6 Connector E4 Pin Assignments
3.6 Board Factory Test Connector J14
Factory tests use this connector. It may not be populated.
J12
•
3
GND
•
2
•
1
OSC2
Table 3-5 Connector J12 Signal Descriptions
Pin
Label
Signal
3
GND
Ground
2
No connection
1
OSC2
INVERTED CLOCK OUTPUT — Inversion of the clock signal that jumper
header W4 specifies if you select the external clock. Inversion of the PLL
clock if you select the PLL clock.
E4
•
3
L
•
2
A/D REF
•
1
H
Table 3-6 Connector E4 Signal Descriptions
Pin
Label
Signal
3
L
LOW REFERENCE VOLTAGE
2
A/D REF
No connection (label only)
1
H
HIGH REFERENCE VOLTAGE
