# CD32 Expansion-port

(at the computer)

UNKNOWN 182 PIN CONNECTOR (SAME AS MCA) at the computer.

Pin | Name | Description | Comment
--- | --- | --- | ---
1 | A31 | Address 31 | Probably not connected since 68EC020
2 | A30 | Address 30 | Probably not connected since 68EC020
3 | A29 | Address 29 | Probably not connected since 68EC020
4 | A28 | Address 28 | Probably not connected since 68EC020
5 | A27 | Address 27 | Probably not connected since 68EC020
6 | A26 | Address 26 | Probably not connected since 68EC020
7 | A25 | Address 25 | Probably not connected since 68EC020
8 | A24 | Address 24 |
9 | DGND | Data Ground |
10 | VCC | +5 VDC |
11 | A23 | Address 23 |
12 | A22 | Address 22 |
13 | A21 | Address 21 |
14 | A20 | Address 20 |
15 | A19 | Address 19 |
16 | A18 | Address 18 |
17 | A17 | Address 17 |
18 | A16 | Address 16 |
19 | DGND | Data Ground |
20 | VCC | +5 VDC |
21 | A15 | Address 15 |
22 | A14 | Address 14 |
23 | A13 | Address 13 |
24 | A12 | Address 12 |
25 | A11 | Address 11 |
26 | A10 | Address 10 |
27 | A9 | Address 9 |
28 | A8 | Address 8 |
29 | DGND | Data Ground |
30 | VCC | +5 VDC |
31 | A7 | Address 7 |
32 | A6 | Address 6 |
33 | A5 | Address 5 |
34 | A4 | Address 4 |
35 | A3 | Address 3 |
36 | A2 | Address 2 |
37 | A1 | Address 1 |
38 | A0 | Address 0 |
39 | DGND | Data Ground |
40 | VCC | +5 VDC |
41 | D31 | Data 31 |
42 | D30 | Data 30 |
43 | D29 | Data 29 |
44 | D28 | Data 28 |
45 | D27 | Data 27 |
46 | D26 | Data 26 |
47 | D25 | Data 25 |
48 | D24 | Data 24 |
49 | DGND | Data Ground |
50 | VCC | +5 VDC |
51 | D23 | Data 23 |
52 | D22 | Data 22 |
53 | D21 | Data 21 |
54 | D20 | Data 20 |
55 | D19 | Data 19 |
56 | D18 | Data 18 |
57 | D17 | Data 17 |
58 | D16 | Data 16 |
59 | DGND | Data Ground |
60 | VCC | +5 VDC |
61 | D15 | Data 15 |
62 | D14 | Data 14 |
63 | D13 | Data 13 |
64 | D12 | Data 12 |
65 | D11 | Data 11 |
66 | D10 | Data 10 |
67 | D9 | Data 9 |
68 | D8 | Data 8 |
69 | DGND | Data Ground |
70 | VCC | +5 VDC |
71 | D7 | Data 7 |
72 | D6 | Data 6 |
73 | D5 | Data 5 |
74 | D4 | Data 4 |
75 | D3 | Data 3 |
76 | D2 | Data 2 |
77 | D1 | Data 1 |
78 | D0 | Data 0 |
79 | DGND | Data Ground |
80 | VCC | +5 VDC |
81 | /IPL2 | Interrupt Priority Level 2 |
82 | /IPL1 | Interrupt Priority Level 1 |
83 | /IPL0 | Interrupt Priority Level 0 |
84 |  |  |
85 | /RST | Reset |
86 | /HALT | Halt |
87 | /ECS | ECS?? |
88 | /OCS | OCS?? |
89 | SIZE1 | Size 1 | Indicates number of bytes remaining to transfer
90 | SIZE0 | Size 0 | Indicates number of bytes remaining to transfer
91 | /AS | Address Strobe |
92 | /DS | Data Strobe |
93 | /R/W | Read/Write |
94 | /BERR | Bus Error |
95 |  |  |
96 | /AVEC | Autovector Req | Autovector request during interrupt acknowledge
97 | /DSACK1 | Data Ack 1 | Data transfer and size acknowledge
98 | /DSACK0 | Data Ack 0 | Data transfer and size acknowledge
99 | CPUCLK_A |  |
100 |  |  |
101 | DGND | Data Ground |
102 | VCC | +5 VDC |
103 | FC2 | Function Codes 2 |
104 | FC1 | Function Codes 1 |
105 | FC0 | Function Codes 0 |
106 |  |  |
107 |  |  |
108 |  |  |
109 |  |  |
110 |  |  |
111 | /CPU_BR | CPU bus request?? |
112 | /EXP_BG | Expansion bus granted?? |
113 | /CPU_BG | CPU bus granted?? |
114 | /EXP_BR | Expansion bus request?? |
115 |  |  |
116 |  |  |
117 | /PUNT |  |
118 | /RESET | 68020 RESET |
119 | /INT2 | Interrupt 2 | Generate a level 2 interrupt
120 | /INT6 | Interrupt 2 | Generate a level 6 interrupt
121 | /KB_CLOCK | Keyboard clock |
122 | /KB_DATA | Keyboard data |
123 | /FIRE0 | Fire Button 0?? |
124 | /FIRE1 | Fire Button 1?? |
125 | /LED | Power On LED ?? |
126 | /ACTIVE | Disk active LED |
127 | /RXD | Serial Receive | Serial data in
128 | /TXD | Serial Transmit | Serial data out
129 | /DKRD |  | Floppy interface (Paula?)
130 | /DKWD |  | Floppy interface (Paula?)
131 | SYSTEM |  |
132 | /DKWE |  | Floppy interface (Paula?)
133 | CONFIG_OUT |  |
134 |  |  |
135 | DGND | Data Ground |
136 | +12V | +12V DC |
137 | DGND | Data Ground |
138 | +12V | +12V DC |
139 | 17MHZ |  | For FMV interface ??
140 | EXT_AUDIO |  | For FMV interface ??
141 | DA_DATA |  | For FMV interface ??
142 | /MUTE |  | For FMV interface ??
143 | DA_LRCLK |  | For FMV interface ??
144 | DA_BCLK |  | For FMV interface ??
145 | DGND | Data Ground |
146 | VCC | +5 VDC |
147 | DR | Digital Red |
148 | DG | Digital Green |
149 | DB | Digital Blue |
150 | DI | Digital Intensity |
151 | /PIXELSW_EXT |  |
152 | /PIXELSW |  |
153 | /BLANK |  |
154 | PIXELCLK | Pixelclock | For manipulating RBG data
155 | DGND | Data Ground |
156 | VCC | +5 VDC |
157 | /CSYNC | Composite sync | Not buffered.
158 | CCK_B | Color clock ?? |
159 | /HSYNC | Horizontal sync |
160 | /VSYNC | Vertical sync |
161 | VGND | Video ground |
162 | VGND | Video ground |
163 | AR_EXT | Analog Red External |
164 | AR | Analog Red |
165 | AG_EXT | Analog Green External |
166 | AG | Analog Green |
167 | AB_EXT | Analog Blue External |
168 | AB | Analog Blue |
169 | VGND | Video ground |
170 | VGND | Video ground |
171 | /NTSC |  |
172 | /XCLKEN | Enable External video clock | (Genlock)
173 | XCLK | External video clock | (Genlock)
174 | /EXT_VIDEO | External Video | Disable internal video interfaces
175 | DGND | Data Ground |
176 | VCC | +5 VDC |
177 | AGND | Audio Ground |
178 | +12V | +12V DC |
179 | LEFT_EXT | Left sound External |
180 | LEFT | Left sound |
181 | RIGHT_EXT | Right sound External |
182 | RIGHT | Right sound |

Contributor: | Joakim Ögren

Source: | CD32 expansion port info
| Usenet posting by Anders Stenkvist

Copyright © The Hardware Book Team 1996-2004.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-10