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Support Information
Pin
3
2
1
3.5 Analog-to-Digital Converter Reference Voltage Connector E4
Pin
3
2
1
3.6 Board Factory Test Connector J14
M68EML08GZ16 Emulation Module - Version 4.0
30
Figure 3-5 Connector J12 Pin Assignments
Table 3-5 Connector J12 Signal Descriptions
Label
Ground
GND
No connection
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.
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
Table 3-6 Connector E4 Signal Descriptions
Label
L
LOW REFERENCE VOLTAGE
A/D REF
No connection (label only)
HIGH REFERENCE VOLTAGE
H
Factory tests use this connector. It may not be populated.
Support Information
J12
3
GND
•
2
•
1
OSC2
•
Signal
E4
3
L
•
2
A/D REF
•
1
H
•
Signal
User's Manual
MOTOROLA
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