Pin Assignments Pin Assignments
A N.C. Not Connected 1 !EXTSEL External Select
B !IRQ Interrupt Request 2 !RST Reset
C !HALT from Antic 3 !D1XX I/O page D1 Select
D A13 Address Bus 4 MPD from MMU
E A14 Address Bus 5 !AUDIO Audio Input
F A15 Address Bus 6 !REF Memory Refresh
H GND Ground 7 Vcc +5V
Figure 1-15. Expansion Interface Pin Assignment
(!) Signal active LOW
Monitor Jack
1
2
3
4
5
J2
Figure 1-16. Monitor Jack Pin Assignment
Pin 1 Monochrome VideoOutput
Pin 2 GND Ground
Pin 3 Audio Output
Pin 4 Composite Video Output
Pin 5 Color Output
130XE Personal Computer
Field Service Manual 1-13