Target Dip Connector J3 - Motorola M68LC302CAF20VCT User Manual

Support Information
Pin
Mnemonic
No.
1 PTA0
2 PTB0/MCLK
3 PTB1
4 PTB2/TCH0
5 PTB4/TCH1
6 PTB5
7 PTB3/TCLK
8 OSC1
9 None
10 V
SS
11 V
DD
12 IRQ
13 RST
14 PTA7
15 PTA6/KBD6
16 PTA5/KBD5
17 PTA4/KBD4
18 PTA3/KBD3
19 PTA2/KBD2
20 PTA1/KBD1
User's Manual
40
Table 3-3. Target DIP Connector J3
Schematic
Direction
NET
TGT-PTA0 Bidirectional
TGT-PTB0 Bidirectional
PTB1 Bidirectional
TGT-PTB2 Bidirectional
PTB4 Bidirectional
PTB5 Bidirectional
TGT-PTB3 Bidirectional
OSC1 In
None NC
GND Ground
TGT-VDD Power
TGT-IRQ In
TGT-RST In or out
PTA7 Bidirectional
PTA6 Bidirectional
PTA5 Bidirectional
PTA4 Bidirectional
PTA3 Bidirectional
PTA2 Bidirectional
PTA1 Bidirectional
Support Information
Signal Description
Port A I/O / keyboard interrupt – bit 0
Unavailable MCU connection
Port B I/O – bit 0
Port B I/O – bit 1
Port B I/O – bit 2
Port B I/O – bit 4
Port B I/O – bit 5
Port B I/O – bit 3
Crystal amplifier input
No connection
MCU ground
MCU power
External interrupt
External reset
Port A I/O – bit 7
Port A I/O / keyboard interrupt – bit 6
Port A I/O / keyboard interrupt – bit 5
Port A I/O / keyboard interrupt – bit 4
Port A I/O / keyboard interrupt – bit 3
Port A I/O / keyboard interrupt – bit 2
Port A I/O / keyboard interrupt – bit 1
M68ICS08RK In-Circuit Simulator — Rev. 1
MOTOROLA