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Pin
Board
MCU
No.
Label
Mnemonic
25
PTB6
PTB6
26
PTA4
PTA4
27
None
NC
28
PTA2
PTA2
29
None
NC
30
PTA0
PTA0
31
PTF6
PTF6
32
PTG2
PTG2
33
PTE1
PTE1
34
PTG0
PTG0
35
PTE3
PTE3
36
Vss
GND
37
PTE5
PTE5
38
Vss
GND
39
PTE7
PTE7
40
Vss
GND
M68ICS08ABUM/D
APPENDIX A – TECHNICAL REFERENCE & TROUBLESHOOTING
Table A-1. Target Connector P7 (Continued)
Direct to MCU
Schematic
PTB6
Yes
PTA4
Yes
None
No
PTA2
Yes
None
No
TGT_PTA0
No, only to P5
PTF6
Yes
PTG2
Yes
PTE1
Yes
PTG0
Yes
PTE3
Yes
GND
Yes
PTE5
Yes
GND
Yes
PTE7
Yes
GND
Yes
Dir
Sockets?
Bidir
Bidir
NC
Bidir
NC
Bidir
Bidir
Bidir
Bidir
Bidir
Bidir
Gnd
Bidir
Gnd
Bidir
Gnd
Signal Description
Port BI/O – bit 6
Port A I/O – bit 4
No connection
Port A I/O – bit 2
No connection
Port A I/O – bit 0,
Unavailable MCU
connection
Port F I/O – bit 6
Port G I/O – bit 2
Port E I/O – bit 1
Port G I/O – bit 0
Port E I/O – bit 3
ICS/MCU ground
Port E I/O – bit 5
ICS/MCU ground
Port E I/O – bit 7
ICS/MCU ground
A-13
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