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 Ω)
23	RGB4		Blue Bit 4
24	GND		Digital Ground
25	RGB7		Blue Bit 7
26	/VSYNC		Vertical Sync (47 Ω)
27	RGB15		Green Bit 7
28	BLANK		Video Blank
29	RGB23		Red 7
30	/PIXELSW		Genlock Overlay (47 Ω)
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