BionicMezzanine

tgtakaoka·retro-bionic·schematics/mezzanine/mezzanine.kicad_pcb

BionicMezzanine PCB layout, top view — open source board by tgtakaoka

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About the BionicMezzanine PCB

BionicMezzanine is an open source PCB design by tgtakaoka, published on GitHub under the Custom license license. It is a 2-layer board measuring 96.5 × 80 mm, with 22 components from 18 distinct parts.

Other key parts include the CPU, 11AA010-I/TT and 74AHCT157. By type, the board carries 12 connectors, 4 ICs, 4 capacitors, 1 diode and 1 resistor.

It belongs with the retro computing designs in this gallery.

From the project

Modern platform to run retro CPUs

Run real vintage CPUs on a modern Cortex-M7 — with a debugger, assembler and disassembler built in.

- CPUs — every target supported and planned, with the variants each detects - Hardware — the board stack, signal naming and the awkward chips - 3.3 V base — planned second base board, its keying and what it unlocks - Debugger — full command reference - Build & run — toolchain, flashing, serial ports - Samples — the programs and how to run them - Demos — recorded terminal sessions for 20 CPUs

BionicMezzanine, from the project README — From the project README

Main components on the BionicMezzanine

CPU 11AA010-I/TT 74AHCT157

BionicMezzanine bill of materials (BOM)

22 components, 18 distinct parts.

Qty	Part	Footprint	Refs
1	CPU	Aries_ZIF_socket_DIP-48-pin	U1
1	11AA010-I/TT	SOT-23_MC_MCH-M	U2
2	74AHCT157	PW16-M	U3, U4
1	Bionic-P135	Bionic-P135_THT	J1
1	Bionic-P245	Bionic-P245_THT	J2
2	Conn_01x24	PinSocket_1x24_P2.54mm_Vertical	J3, J4
1	P1P2	PinSocket_2x08_P2.54mm_Vertical	J5
1	P3P4	PinSocket_2x08_P2.54mm_Vertical	J6
1	P5	PinSocket_2x04_P2.54mm_Vertical	J7
1	5V0	PinSocket_1x04_P2.54mm_Vertical	J8
1	GND	PinSocket_1x04_P2.54mm_Vertical	J9
1	Y0-7	PinSocket_1x10_P2.54mm_Vertical	J10
1	A0-7	PinSocket_1x08_P2.54mm_Vertical	J11
1	B0-7	PinSocket_1x08_P2.54mm_Vertical	J12
1	CSL1901UW1	LED_CSL1901UW1_ROM-M	D1
3	0.1u	C_0603_1608Metric_Pad1.08x0.95mm_HandSolder	C1, C3, C4
1	2.2u	C_0603_1608Metric_Pad1.08x0.95mm_HandSolder	C2
1	1.6k	R_0603_1608Metric_Pad0.98x0.95mm_HandSolder	R1

BionicMezzanine design files

The KiCad project lives in the tgtakaoka/retro-bionic repository on GitHub; these links point at the commit this page was built from.

Layoutschematics/mezzanine/mezzanine.kicad_pcb
Schematicschematics/mezzanine/mezzanine.kicad_sch

BionicMezzanine: common questions

How big is the BionicMezzanine PCB?

The BionicMezzanine measures 96.5 × 80 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the BionicMezzanine?

22 components, from 18 distinct parts. The full bill of materials is listed on this page.

Where can I download the BionicMezzanine design files?

From the tgtakaoka/retro-bionic repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the BionicMezzanine design in my own project?

It is published under Custom license, which limits how it may be reused; read the license before building on it.

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