Dip Target Connector (J3); Logic Table - Motorola M68LC302CAF20VCT User Manual

2.3.3 DIP Target Connector (J3)

M68ICS08RK In-Circuit Simulator — Rev. 1
MOTOROLA
W4 W5
1
1
0
0
The RKICS includes an additional connector, J3, which allows a convenient
connection to the target. Use the provided 20-pin ribbon cable to interconnect
the RKICS to the target system via connector J3. Figure 2-8 shows the
emulation connector interface connector.
TGT-PTA0
TGT-PTB0
TGT-PTB2
TGT-PTB3
TGT-OSC1
Ground
Figure 2-8. J3 DIP Emulation Cable
Hardware Installation
Configuring the In-Circuit Simulator Board
Table 2-3. Logic Table
Jumpers installed on W4 and W5 — The RKICS
1 MCU and the target system OSC1 signals are
supplied by the on-board oscillator at location Y1
Jumper installed on W4 and no jumper on W5 —
0 The RKICS MCU OSC1 signal is supplied by the
target system
No jumper installed on W4 and a jumper on W5
(factory default) — The RKICS MCU OSC1 signal
1
is supplied by the on-board oscillator at
location Y1
No jumpers installed on jumper headers W4 and
0 W5 — Connect an external clock source to the
RKICS MCU OSC1 input pin via W5 pin 2
J3
• •
1
• •
3
• •
PTB1 5
• •
7
• •
PTB4 9
• •
PTB5 11
• •
13
• •
15
• •
NC 17
• •
19
Hardware Installation
Description
20 PTA1
19 PTA2
18 PTA3
17 PTA4
16 PTA5
15 PTA6
14 PTA7
13 TGT-RST
12 TGT-IRQ
11 TGT-VDD
User's Manual
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