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Apple IIc/IIc Plus: Port Pin Assignments

Listed below are the pinouts of the Hand Control, Mouse and External Power connectors for the Apple IIc and IIc Plus.
HAND CONTROL
Connector Pin
Number
Signal
Name
Description
1
GAMESW1
 witch input (paddle #1)
2
+5V
 +5 VDC (Do not exceed 100 MA)
3
GND
 System Ground
4,9
Not used for hand controllers
5,8
PDL0 & PDL1
 Hand control inputs. Each of these must be connected to a 1K pot connected to +5
6
N.C.
 Not connected
7
GAMESW0
 Switch input 0 (paddle #0)

MOUSE CONNECTOR
Connector Pin
Number
Signal
Name
Description
1
MOUSEID
 Mouse Identifier
2
+5V
 +5 VDC (Do not exceed 100 MA)
3
GND
 System Ground
4
X1
 Mouse X-direction Indicator
5
X0
 Mouse X-movement interrupt
6
Mouse button
7
MSW
 Mouse button
8
Y1
 Mouse Y-direction indicator
9
Y0
 Mouse Y-movement interrupt

EXTERNAL POWER
Connector Pin
Number
Signal
Name
Description
1,7
Not Connected
2,3
Common electrical ground
4
Chassis
 Chassis ground
5, 6
+15V
+15VDC input to converter
Published Date: Feb 19, 2012