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6502 DebugBoard

DomAtTheShack·6502-Breadboard-ROM·Schmatics/6502-Debug-Board/6502 DebugBoard.kicad_pcb

6502 DebugBoard PCB layout, top view — open source AVR/Arduino board by DomAtTheShack
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About the 6502 DebugBoard PCB

6502 DebugBoard is an open source AVR/Arduino PCB design by DomAtTheShack, published on GitHub. It is a 2-layer board measuring 199.6 × 114.2 mm, with 64 components from 41 distinct parts.

Its main chip is the ATMEGA328P-PU, from the AVR/Arduino family. Other key parts include the WD65C02, 28C256, WC1602A, 74HC00 and WD65C22. By type, the board carries 19 capacitors, 17 connectors, 10 ICs, 9 resistors, 3 crystals and 2 switches.

It belongs with the dev boards & breakouts and retro computing designs in this gallery.

Main components on the 6502 DebugBoard

WD65C0228C256WC1602A74HC00WD65C22CY62256-70PC655174HC166LM7805_TO220MAX232

6502 DebugBoard bill of materials (BOM)

64 components, 41 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
WD65C02
U1
1
28C256
LM555xN
U2
1
WC1602A
U3
1
74HC00
U4
1
WD65C22
74LS08
U5
1
CY62256-70PC
U6
1
6551
U7
1
74HC166
U8
1
LM7805_TO220
U9
1
MAX232
U10
1
ACO-1.8432MHZ
ACO-1.8432MHz
X1
1
11.0582 MHz
Y1
1
16 MHz
Y2
1
Conn_01x02
J1
1
CONN_02X20_ODD_EVEN
Conn_02x20_Odd_Even
J2
1
CONN_01X04_MALE
Conn_01x04_Male
J3
3
CONN_02X03_ODD_EVEN
Conn_02x03_Odd_Even
J4, J7, J12
1
CONN_02X08_ODD_EVEN
Conn_02x08_Odd_Even
J5
1
CONN_01X06_MALE
Conn_01x03
J6
1
Barrel_Jack
J8
Show 21 more
QtyPartRefs
1
CONN_01X11_MALE
Conn_01x11_Male
J9
1
CONN_02X01
Conn_01x01
J10
1
RCJ-017
J11
4
Conn_02x01
J13, J14, J15, J16
1
MINI-DIN_6PINS
Mini-DIN_6pins
P1
1
R_Potentiometer
RV1
1
SW_Push
SW1
1
SW_Nidec_CAS-120A1
SW2
2
ATMEGA328P-PU
ATmega328P-PU
UA1, UB1
1
LED
D1
7
0.1UF
0.1uF
C1, C3, C4, C10, C11, C12, C14
1
0.1UF
100nf
C2
1
0.1
47uf
C5
4
22PF
22pF
C6, C7, C8, C9
1
10uf
C13
1
10UF
10uf
C15
4
1uf
C16, C17, C18, C19
3
1k
R1, R5, R7
3
10K
10k
R2, R3, R6
1
1k
R4
2
10k
R8, R9

6502 DebugBoard design files

The KiCad project lives in the DomAtTheShack/6502-Breadboard-ROM repository on GitHub; these links point at the commit this page was built from.

6502 DebugBoard: common questions

What microcontroller does the 6502 DebugBoard use?

The 6502 DebugBoard is built around the ATMEGA328P-PU, from the AVR/Arduino family.

How big is the 6502 DebugBoard PCB?

The 6502 DebugBoard measures 199.6 × 114.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the 6502 DebugBoard?

64 components, from 41 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the 6502 DebugBoard design files?

From the DomAtTheShack/6502-Breadboard-ROM repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the 6502 DebugBoard design in my own project?

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

Can I test firmware for the 6502 DebugBoard 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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