Retro-003
About the Retro-003 PCB
Retro-003 is an open source AVR/Arduino PCB design by githubgilhad, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 100 × 100 mm, with 247 components from 76 distinct parts.
Its main chip is the Reset, from the AVR/Arduino family. Other key parts include the HD6309, MC68B50, 6822, 74HC14 and 74HC04. By type, the board carries 81 connectors, 77 resistors, 40 inductors, 10 ICs, 3 capacitors and 1 module.
It belongs with the retro computing designs in this gallery.
From the project
HD6309 - HW deska pro CPU+RAM+GLUE+SystemBus - prvni navrh
HW deska pro CPU+RAM+GLUE+SystemBus - prvni navrh
Main components on the Retro-003
Retro-003 bill of materials (BOM)
247 components, 76 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | HD6309 | DIP-40_W15.24mm | U1 |
| 1 | MC68B50 | DIP-24_W15.24mm | U4 |
| 1 | 6822 | DIP-40_W15.24mm | U5 |
| 3 | 74HC14 | SOIC-14_3.9x8.7mm_P1.27mm | U6, U7, U8 |
| 1 | 74HC04 | SOIC-14_3.9x8.7mm_P1.27mm | U12 |
| 1 | 74HC74 | SOIC-14_3.9x8.7mm_P1.27mm | U13 |
| 1 | 28C256 | DIP-28_W15.24mm | U14 |
| 1 | ATF1508AS-10AU100 | ATF1508-AS_TQFP100_long | U15 |
| 1 | CY7C109D-10ZXI | G_TSOP-I-32_18.4x8mm_HandSolder | M3 |
| 1 | MMBT3904 | SOT-23 | Q1 |
| 1 | 1.8432 MHz | Crystal_THT_15_5mm | Y1 |
| 1 | ATF_JTAG | IDC-Header_2x05_P2.54mm_Vertical | J1 |
| 1 | Conn_02x04_Top_Bottom | PinSocket_2x04_P2.54mm_Vertical | J2 |
| 1 | Serial | PinHeader_1x04_P2.54mm_Vertical | J3 |
| 1 | SysBus | PinSocket_2x32_P2.54mm_Vertical | J4 |
| 74 | x | PinHole_1x01_2.54xrectangle | J5, J8, J21, J22, J37, J38, J39, J40 +66 |
| 1 | SysBus | PinHeader_2x32_P2.54mm_Vertical_down | J6 |
| 1 | Conn_01x16_Pin | G_SOIC-16_3.9x9.9mm_HandSolder | J7 |
| 1 | Reset | PinHole_1x01_2.54xrectangle | J12 |
| 11 | Cx | C_Disc_D3.0mm_W2.0mm_P2.50mm | Cx6, Cx7, Cx8, Cx9, Cx10, Cx11, Cx12, Cx13 +3 |
Show 56 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | Cx | CP_Radial_D5.0mm_P2.50mm | Cx14, Cx15, Cx27, Cx28 |
| 8 | 10p | C_Disc_D3.0mm_W2.0mm_P2.50mm | Cx19, Cx20, Cx21, Cx22, Cx23, Cx24, Cx25, Cx26 |
| 1 | BugFix | PinHeader_1x03_P2.54mm_Vertical | Jx1 |
| 1 | BootFrom | PinHeader_1x03_P2.54mm_Vertical | Jx2 |
| 1 | J | PinHeader_1x08_P2.54mm_Vertical | Jx4 |
| 1 | Speaker_Crystal | Buzzer_12x9.5RM7.6 | LS1 |
| 2 | J | PinHeader_1x10_P2.54mm_Vertical | PA1, PB1 |
| 1 | Reset | G_Arduino_switch | S1 |
| 1 | 16MHz | Crystal_HC49-4H_Vertical | XTAL1 |
| 1 | Sys | LED_0805_2012Metric | LSys1 |
| 1 | D | D_1210_3225Metric_HandSolder | D2 |
| 1 | LReset | LED_0805_2012Metric | L0 |
| 1 | LHALT | LED_0805_2012Metric | L1 |
| 1 | A_HALT | LED_0805_2012Metric | L2 |
| 1 | ROM | LED_0805_2012Metric | L3 |
| 1 | LRomMapped | LED_0805_2012Metric | L4 |
| 1 | B_HALT | LED_0805_2012Metric | L5 |
| 1 | MHF_B | LED_0805_2012Metric | L6 |
| 1 | MHF_A | LED_0805_2012Metric | L7 |
| 1 | RAM | LED_0805_2012Metric | L8 |
| 1 | Dev_3 | LED_0805_2012Metric | L9 |
| 1 | ACIA | LED_0805_2012Metric | L10 |
| 1 | VIA | LED_0805_2012Metric | L11 |
| 1 | Dev_6 | LED_0805_2012Metric | L12 |
| 1 | Dev_5 | LED_0805_2012Metric | L13 |
| 1 | Dev_4 | LED_0805_2012Metric | L14 |
| 1 | Dev_7 | LED_0805_2012Metric | L17 |
| 1 | A0 | LED_0805_2012Metric | L36 |
| 2 | A1 | LED_0805_2012Metric | L37, L57 |
| 2 | A2 | LED_0805_2012Metric | L38, L56 |
| 1 | A3 | LED_0805_2012Metric | L39 |
| 1 | A4 | LED_0805_2012Metric | L40 |
| 1 | A5 | LED_0805_2012Metric | L41 |
| 1 | A6 | LED_0805_2012Metric | L42 |
| 1 | A7 | LED_0805_2012Metric | L43 |
| 1 | B0 | LED_0805_2012Metric | L44 |
| 2 | B1 | LED_0805_2012Metric | L45, L55 |
| 2 | B2 | LED_0805_2012Metric | L46, L54 |
| 1 | B3 | LED_0805_2012Metric | L47 |
| 1 | B4 | LED_0805_2012Metric | L48 |
| 1 | B5 | LED_0805_2012Metric | L49 |
| 1 | B6 | LED_0805_2012Metric | L50 |
| 1 | B7 | LED_0805_2012Metric | L51 |
| 1 | IA | LED_0805_2012Metric | L52 |
| 1 | IB | LED_0805_2012Metric | L53 |
| 1 | Rx | LED_0805_2012Metric | L58 |
| 1 | Tx | LED_0805_2012Metric | L59 |
| 2 | 20p | C_Disc_D5.0mm_W2.5mm_P2.50mm | C1, C2 |
| 1 | 100n RESET | C_Disc_D3.0mm_W2.0mm_P2.50mm | C12 |
| 42 | 1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R0, R1, R2, R3, R4, R5, R6, R7 +34 |
| 8 | 5k8 | R_0805_2012Metric | R36, R37, R38, R39, R44, R45, R46, R47 |
| 4 | 220 | R_0805_2012Metric | R40, R41, R42, R43 |
| 19 | 10k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R48, R49, R50, R51, R52, R53, R54, R55 +11 |
| 1 | 1M | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R60 |
| 1 | 3k3 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R63 |
| 2 | 50k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R93, R94 |
Retro-003 design files
The KiCad project lives in the githubgilhad/HW-001 repository on GitHub; these links point at the commit this page was built from.
Retro-003: common questions
What microcontroller does the Retro-003 use?
The Retro-003 is built around the Reset, from the AVR/Arduino family.
How big is the Retro-003 PCB?
The Retro-003 measures 100 × 100 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Retro-003?
247 components, from 76 distinct parts. The full bill of materials is listed on this page.
Where can I download the Retro-003 design files?
From the githubgilhad/HW-001 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Retro-003 design in my own project?
Yes, under the terms of its GPL-3.0 license, which githubgilhad chose for the repository.
Can I test firmware for the Retro-003 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
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