M68EML08GZ16 Emulation Module - Version 4.0
User’s Manual
26
Support Information
MOTOROLA
Support Information
Table 3-1 Target Connector J2 Signal Descriptions
Pin
Label
Signal
1 — 8, 10, 12,
14, 16, 18 — 21,
23, 24, 28, 31,
38, 40
G
GROUND
9, 11, 13, 15, 17
PB3 — PB7
PORT B (lines 3—7) —
General-purpose I/O lines controlled by software
via data direction and data registers. (Other port B lines are available
on connector J3.)
22
RST
RESET — Active-low signal. If an output, starts a target reset. If an input,
confirms reset of the target MCU.
25, 26
PC4, PC3
PORT C (lines 4, 3) —
General-purpose I/O lines controlled by software
via data direction and data registers. (Other port C lines are available
on connector J3.)
27, 29, 30, 35, 36 PA0, PA3 — PA6 PORT A (lines 0, 3—6) —
General-purpose I/O lines controlled by
software via data direction and data registers. (Port A lines 1, 2, and 7
are available on connector J3.)
32
EV
EXTERNAL VOLTAGE DETECT — Input signal that detects target-system
power-up.
33, 34, 31, 23,
21, 28
PE0 — PE5
PORT E (lines 0 — 5) —
General-purpose I/O lines controlled by
software via data direction and data registers.
37
IRQ
TARGET INTERRUPT —
Active-low input line for requesting a target
interrupt.
39
PD0
PORT D (line 0) —
General-purpose I/O lines controlled by software via
data direction and data registers. (Port D line 1
—7
is available on
connector J3.)
