Amiga 2000 A314 Adapter

1 year ago

Open source license: CC-BY 3.0

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Description

The A314 project provides a Raspberry Pi expansion to the Amiga 500 through the trapdoor expansion. Much of the 'magic' is being able to transparently access chip RAM without interfering with the performance of the Amiga itself. However, the Amiga 500 is also the ONLY Amiga model to feature this peculiar expansion interface. This board will add a standard 56-pin "trapdoor" interface to the Amiga 2000 and Amiga 1000 equipped with a Rejuvenator.

Documents

A314_A2k_Adapter

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A314_A2k_GaryCIAB

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Main Agnus Board

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BOM

ID Name Designator Footprint Quantity
1 Header-Female-2.54_1x10 J5,J4,J3,J2 HDR-TH_10P-P2.54-V 4
2 10 R11,R12,R13,R14,R10,R9,R8,R7 R0402 8
3 10k R18,R17,R2,R1,R16,R15 R0402 6
4 171825-4 U6 HDR-TH_4P-P2.54-D1.0 1
5 TO GARY H2,H5 DIP-8_L9.3-W6.4-P2.54-LS7.6-BL 2
6 TO CIAB H1,H6 DIP-8_L9.3-W6.4-P2.54-LS7.6-BL 2
7 SN74HC139DR U5 SOIC-16_L10.8-W4.5-P1.27-LS6.8-BL 1
8 Female header 2.54-1*14P H8,H3 HDR-TH_14P-P2.54-V 2
9 GARY To Amiga H7 HDR-TH_14P-P2.54-V 1
10 GARY Topside H4 HDR-TH_14P-P2.54-V 1
11 MOS8372 U2 PLCC 84 PLUG 1
12 MOS8372 U1 PLCC-84 1
13 10u C7,C8 C0805 2
14 SN74HC245DWR U3,U4 SOIC-20_L13.0-W7.6-P1.27-LS10.6-BL 2
15 8520 CIA Topside P1 HDR-TH_20P-P2.54-V 1
16 Header-Female-2.54_1x20 P3,P4 HDR-TH_20P-P2.54-V 2
17 8520 To Amiga P5 HDR-TH_20P-P2.54-V 1
18 OSHW logo U8 OSHW LOGO 1
19 Header-Male-2.54_2x14 P7,P6 HDR-TH_28P-P2.54-V-R2-C14-S2.54 2
20 100n C14,C15,C5,C1,C3,C9 C0402 6
21 10n C13,C16,C10 C0402 3

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