CDTV Diagnostic Slot

80 PIN ??? CONNECTOR (at the computer)

80 PIN ??? CONNECTOR at the computer.

Pin	Name	Description
1	GND	Ground
2	GND	Ground
3	VCC	+5 VDC
4	VCC	+5 VDC
5	/CFGOUT	Configout AutoConfig signal (not connected)
6	/CFGIN	Configin AutoConfig signal (grounded)
7	GND	Ground
8	CCKQ	3.58 MHz CCKQ clock (C3)
9	CDAC	7.16 MHz CDAC clock (90° before system clock)
10	CCK	3.58 MHz CCK clock (C1)
11	/OVR	Override (Disables /DTACK generation of Gary)
12	XRDY	External Ready (Generates wait states while low).
13	/INT2	Level 2 Interrupt
14	n/c	not connected
15	A5	Address Bus 5
16	/INT6	Level 6 Interrupt
17	A6	Address Bus 6
18	A4	Address Bus 4
19	GND	Ground
20	A3	Address Bus 3
21	A2	Address Bus 2
22	A7	Address Bus 7
23	A1	Address Bus 1
24	A8	Address Bus 8
25	/FC0	Processor Function Code Status (bit 0)
26	A9	Address Bus 9
27	/FC1	Processor Function Code Status (bit 1)
28	A10	Address Bus 10
29	/FC2	Processor Function Code Status (bit 2)
30	A11	Address Bus 11
31	GND	Ground
32	A12	Address Bus 12
33	A13	Address Bus 13
34	/IPL0	Interrupt Priority Level (bit 0)
35	A14	Address Bus 14
36	/IPL1	Interrupt Priority Level (bit 1)
37	A15	Address Bus 15
38	/IPL2	Interrupt Priority Level (bit 2)
39	A16	Address Bus 16
40	/BERR	Bus Error
41	A17	Address Bus 17
42	/VPA	Valid Peripheral Address (asserted by Gary)
43	GND	Ground
44	E	E Clock
45	/VMA	Valid Memory Address (asserted by Gary)
46	A18	Address Bus 18
47	/RST	Reset
48	A19	Address Bus 19
49	/HLT	Halt
50	A20	Address Bus 20
51	A22	Address Bus 22
52	A21	Address Bus 21
53	A23	Address Bus 23
54	/BR	Bus Request
55	GND	Ground
56	/BGACK	Bus Grant Acknowledge
57	D15	Data Bus 15
58	/BG	Bus Grant
59	D14	Data Bus 14
60	/DTACK	Data Transfer Acknowledge (normally asserted by Gary)
61	D13	Data Bus 13
62	R/W	Read/Write (high=read, low=write)
63	D12	Data Bus 12
64	/LDS	Lower Data Strobe
65	D11	Data Bus 11
66	/UDS	Upper Data Strobe
67	GND	Ground
68	/AS	Address Strobe
69	D0	Data Bus 0
70	D10	Data Bus 10
71	D1	Data Bus 1
72	D9	Data Bus 9
73	D2	Data Bus 2
74	D8	Data Bus 8
75	D3	Data Bus 3
76	D7	Data Bus 7
77	D4	Data Bus 4
78	D6	Data Bus 6
79	GND	Ground
80	D5	Data Bus 5

Note: Pin 7-80 is equivalent with the Amiga 500's pin 13-86 at the 86 pin Amiga 500 connector.

Contributor:

Joakim Ögren

Source:

Darren Ewaniuk's CDTV Technical Information