Atari st mod rgb565-experiment

sporniket·atari-st-mod-rgb565-experiment

Atari st mod rgb565-experiment PCB layout, top view — open source board by sporniket

About the Atari st mod rgb565-experiment PCB

Atari st mod rgb565-experiment is an open source PCB design by sporniket, published on GitHub. It is a 4-layer board measuring 99.1 × 63.5 mm, with 33 components from 15 distinct parts.

Other key parts include the 74HC00, ST_SHIFTER, 74HC245 and 74LS257. By type, the board carries 19 resistors, 6 ICs, 6 capacitors and 2 connectors.

It belongs with the retro computing designs in this gallery.

From the project

Experimental modification for the Atari ST, to have a RGB-565 colorspace (65K colors) ; inspired by the textual description from Barry Orlando.

See 32768-colors.md for the original description by Barry Orlando.

Main components on the Atari st mod rgb565-experiment

74HC00 ST_SHIFTER 74HC245 74LS257

Atari st mod rgb565-experiment bill of materials (BOM)

33 components, 15 distinct parts.

Qty	Part	Footprint	Refs
1	74HC00	DIP-14_W7.62mm_Socket	U1
2	ST_SHIFTER	DIP-40_W15.24mm_Socket	U2, U3
2	74HC245	DIP-20_W7.62mm_Socket	U4, U6
1	74LS257	DIP-16_W7.62mm_Socket	U5
1	ST_SHIFTER_SOCKET	DIP-40_W15.24mm_Socket	J1
1	Conn_01x02	PinHeader_1x02_P2.54mm_Vertical	J2
6	0.1uF	Passive_THT_capacitor_mlcc_W2.54mm_L7.62mm	C1, C2, C3, C4, C5, C6
3	3K74	Passive_THT_resistor_W2.54mm_L10.16mm	R1, R7, R13
3	7K5	Passive_THT_resistor_W2.54mm_L10.16mm	R2, R8, R14
3	15K	Passive_THT_resistor_W2.54mm_L10.16mm	R3, R9, R15
3	30K1	Passive_THT_resistor_W2.54mm_L10.16mm	R4, R10, R16
1	60K4	Passive_THT_resistor_W2.54mm_L10.16mm	R5
3	121K	Passive_THT_resistor_W2.54mm_L10.16mm	R6, R12, R18
2	60K1	Passive_THT_resistor_W2.54mm_L10.16mm	R11, R17
1	10K×8 or 2K2×8	R_Array_SIP9	RN1

Atari st mod rgb565-experiment design files

The KiCad project lives in the sporniket/atari-st-mod-rgb565-experiment repository on GitHub; these links point at the commit this page was built from.

Layoutrgb565-experiment.kicad_pcb

Atari st mod rgb565-experiment: common questions

How big is the Atari st mod rgb565-experiment PCB?

The Atari st mod rgb565-experiment measures 99.1 × 63.5 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Atari st mod rgb565-experiment?

33 components, from 15 distinct parts. The full bill of materials is listed on this page.

Where can I download the Atari st mod rgb565-experiment design files?

From the sporniket/atari-st-mod-rgb565-experiment repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Atari st mod rgb565-experiment design in my own project?

The repository has no license, so all rights stay with sporniket. Use it as a reference, and ask the author before reusing the design.

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