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Pin
Board
MCU
No.
Label
Mnemonic
27
Vss
GND
28
PTA3
PTA3
29
None
NC
30
PTA1
PTA1
31
None
NC
32
Vss
GND
33
PTE0
PTE0
34
PTG1
PTG1
35
PTE2
PTE2
36
EVDD
EVDD
37
PTE4
PTE4
38
Vss
GND
39
PTE6
PTE6
40
Vss
GND
M68ICS08ABUM/D
APPENDIX A – TECHNICAL REFERENCE & TROUBLESHOOTING
Table A-2. Target Connector P8 (Continued)
Schematic
Direct to MCU
NET
GND
Yes
PTA3
Yes
None
No
PTA1
Yes
None
No
GND
Yes
PTE0
Yes
PTG1
Yes
PTE2
Yes
EVDD
No
PTE4
Yes
GND
Yes
PTE6
Yes
GND
Yes
Dir
Sockets?
Gnd
Bidir
NC
Bidir
NC
Gnd
Bidir
Bidir
Bidir
In
Bidir
Gnd
Bidir
Gnd
Signal Description
ICS/MCU ground
Port A I/O – bit 3
No connection
Port A I/O – bit 1
No connection
ICS/MCU ground
Port E I/O – bit 0
Port G I/O – bit 1
Port E I/O – bit 2
Target power, reference
of on-board voltage
regulator.
Port E I/O – bit 4
ICS/MCU ground
Port E I/O – bit 6
ICS/MCU ground
A-15
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