Распиновка, расположение выводов и внешний вид платы расширения:
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 Цgren
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