Amstrad CPCplus Expansion Port

From HwB

Pinout

Cent50f.png

50 PIN CENTRONICS FEMALE at the Computer.

Pin Name Direction
1 Sound Arrowr.png
2 Gnd Arrow.png
3 A15 Arrowr.png
4 A14 Arrowr.png
5 A13 Arrowr.png
6 A12 Arrowr.png
7 A11 Arrowr.png
8 A10 Arrowr.png
9 A9 Arrowr.png
10 A8 Arrowr.png
11 A7 Arrowr.png
12 A6 Arrowr.png
13 A5 Arrowr.png
14 A4 Arrowr.png
15 A3 Arrowr.png
16 A2 Arrowr.png
17 A1 Arrowr.png
18 A0 Arrowr.png
19 D7 Arrowlr.png
20 D6 Arrowlr.png
21 D5 Arrowlr.png
22 D4 Arrowlr.png
23 D3 Arrowlr.png
24 D2 Arrowlr.png
25 D1 Arrowlr.png
26 D0 Arrowlr.png
27 +5v Arrow.png
28 /MREQ Arrowr.png
29 /M1 Arrowr.png
30 /RFSH Arrowr.png
31 /IORQ Arrowr.png
32 /RD Arrowr.png
33 /WR Arrowr.png
34 /HALT Arrowr.png
35 /INT Arrowl.png
36 /NMI Arrowl.png
37 /BUSRQ Arrowl.png
38 /BUSAK Arrowr.png
39 /WAIT (READY) Arrowl.png
40 /BUS RESET Arrowl.png
41 /RESET Arrowl.png
42 /ROMEN Arrowr.png
43 ROMDIS Arrowl.png
44 /RAMRD Arrowr.png
45 RAMDIS Arrowl.png
46 CURSOR Arrowr.png
47 L.PEN Arrowl.png
48 /EXP Arrowl.png (note 1)
49 Gnd Arrow.png
50 f (4Mhz clock) -

Note 1: This signal can be re-programmed as a input by using the PPI.

Note 2: Direction is computer relative devices.

Contributors

Sources