Amiga Video Expansion

Available on Amiga 1000 computer.

Pinout

36+54 PIN EDGE CONNECTOR at the computer.

Pin	Name	Dir	Description
1	RGB16		Red Bit 0
2	RGB17		Red Bit 1
3	LINELF		Audio Line Out Left
4	LINERT		Audio Line Out Right
5	C28D		Pixel-Synchronous Clock
6	+5V	-	+5 Volts DC (1 A)
7	ARED		Analog Red
8	+5V	-	+5 Volts DC (1 A)
9	GND	-	Digital Ground
10	+12V	-	+12 Volts DC (40 mA)
11	AGREEN		Analog Green
12	GND	-	Digital Ground
13	GND	-	Digital Ground
14	/CSYNC		Composite Sync
15	ABLUE		Analog Blue
16	/XCLKEN		Genlock Clock Enable
17	GND	-	Digital Ground
18	BURST		Burst Gate
19	/C4		3.55/3.58 MHz Clock
20	GND	-	Digital Ground
21	GND	-	Digital Ground
22	/HSYNC		Horizontal Sync (47 Ohm)
23	RGB4		Blue Bit 4
24	GND	-	Digital Ground
25	RGB7		Blue Bit 7
26	/VSYNC		Vertical Sync (47 Ohm)
27	RGB15		Green Bit 7
28	BLANK		Video Blank
29	RGB23		Red 7
30	/PIXELSW		Genlock Overlay (47 Ohm)
31	-5V	-	-5 Volts DC
32	GND	-	Digital Ground
33	/XCLK		Genlock Clock
34	/C1		C1 Clock
35	+5V	-	+5 Volts DC (1 A)
36	PSTROBE		Printer Port Handshake
1	GND	-	Digital Ground
2	RGB20		Red Bit 4
3	RGB21		Red Bit 5
4	RGB22		Red Bit 6
5	GND	-	Digital Ground
6	RGB12		Green Bit 4
7	RGB13		Green Bit 5
8	RGB14		Green Bit 6
9	GND	-	Digital Ground
10	RGB5		Blue Bit 5
11	RGB6		Blue Bit 6
12	GND	-	Ground
13	SOG		Sync-On-Green Indicator
14	TBASE		50/60 Hz Software Clock Timebase
15	CDAC		7.09/7.16 MHz Clock
16	PPOUT		Printer Port Paper Out
17	/C3		3.55/3.58 MHz Clock
18	PBUSY		Printer Port Busy
19	/LPEN		Light Pen Input
20	/PACK		Printer Port Acknowledge Handshake
21	PSEL		Printer Port Select
22	GND	-	Digital Ground
23	PPD0		Printer Port Data Bit 0
24	PPD1		Printer Port Data Bit 1
25	PPD2		Printer Port Data Bit 2
26	PPD3		Printer Port Data Bit 3
27	PPD4		Printer Port Data Bit 4
28	PPD5		Printer Port Data Bit 5
29	PPD6		Printer Port Data Bit 6
30	PPD7		Printer Port Data Bit 7
31	/LED		LED (Audio filter bypass) Setting
32	GND	-	Digital Ground
33	RAWLF		Raw (Unfiltered) Audio Left
34	AGND	-	Audio Ground
35	RAWRT		Raw (Unfiltered) Audio Right
36	AGND	-	Audio Ground
37	n/c	-	Reserved for future expansion
38	n/c	-	Reserved for future expansion
39	GND	-	Digital Ground
40	GND	-	Digital Ground
41	n/c	-	Reserved for future expansion
42	n/c	-	Reserved for future expansion
43	GND	-	Digital Ground
44	GND	-	Digital Ground
45	RGB18		Red Bit 2
46	RGB19		Red Bit 3
47	RGB8		Green Bit 0
48	RGB9		Green Bit 1
49	RGB10		Green Bit 2
50	RGB11		Green Bit 3
51	RGB0		Blue Bit 0
52	RGB1		Blue Bit 1
53	RGB2		Blue Bit 2
54	RGB3		Blue Bit 3

Notes:

• Direction is Motherboard relative Card.
• Do not mix analog & digital grounds.

Contributions

• Joakim Ögren

Sources

• Amiga 4000 User's Guide from Commodore