HardLabs

CPU board

openconcepts-ar·accel2d·hardware/CPU_board/CPU_board.kicad_pcb

CPU board layout, top view — open source board by openconcepts-ar
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About the CPU board

CPU board is an open source PCB design by openconcepts-ar, published on GitHub under the Custom license license. It is a 4-layer board measuring 51.2 × 25.8 mm, with 103 components from 46 distinct parts.

Other key parts include the EA3036CQBR, W25Q32JVZPIQ and D1s. By type, the board carries 42 capacitors, 36 resistors, 7 connectors, 4 inductors, 3 ICs and 2 crystals.

From the project

Here are the design files for the current 11 boards of this project:

Here are the design files for the current 11 boards of this project:

Processing boards: CPU board ECP5 FPGA board * Spartan-6 FPGA board

Adapter boards: eDP adapter board VGA adapter & connector LVDS adapters single and dual channel DVI adapter * DVI passive adapter

Debugging boards: DVI receiver Touch splitter * I/O board

It features: C906 64-bit RISC-V CPU @1GHz (22nm manufacturing process) Integrated 64MB DDR2 RAM Small size, breadboard compatible SD card socket to store media assets 2 USB-C connectors with Host and OTG (Host/Device) functions, respectively Video output connector…

CPU board, from the project README
From the project README

Main components on the CPU board

EA3036CQBRW25Q32JVZPIQD1s

CPU board bill of materials (BOM)

103 components, 46 distinct parts.

QtyPartRefs
1
EA3036CQBR
EA3036A
U1
1
W25Q32JVZPIQ
U2
1
D1s
D1s-eLQFP128
U3
1
TAXM24M4ZDBCCT2T
24MHz
X1
1
DST310S 32.768KHz
32.768KHz
X2
1
TF-018
TF TF-018 1.5mm
J1
1
DF12NB(3.0)-30DS-0.5V(51)
SOUTH
J2
1
DF12NB(3.0)-30DS-0.5V(51)
NORTH
J3
1
Conn_01x6_Male
J4
1
Conn_01x03
J5
1
JTAG
J6
1
Conn_01x10_Male
J8
1
PTS810SJM250SMTRLFS
FEL
FEL1
1
SolderJumper_3_Bridged12
JP1
1
PTS810SJM250SMTRLFS
RESET
RESET1
2
GT-USB-7010ASV
~
USB1, USB2
1
NCD0603B5
LED-0603_BLUE
LED1
1
XL-1608UVC-04
LED-0603_PURPLE
LED2
1
MSK4010
D1
1
LMBR4020H3T5G
D_Schottky
D2
Show 26 more
QtyPartRefs
1
SZ1608K601TF
FB1
3
CKCS201610-2.2uH/M-N
1.5uH
L1, L2, L3
21
CL05A104KA5NNNC
0.1uF
C1, C3, C4, C5, C6, C7, C8, C9 +13
5
10u
C2, C11, C13, C23, C26
4
0.1u
C12, C14, C24, C27
2
CL05A104KA5NNNC
0.1u
C15, C30
2
0.47u
C28, C29
1
1u
C31
4
15p
C32, C33, C34, C35
1
0.1uF
C37
2
10uF
C38, C39
6
47k
R1, R11, R13, R14, R15, R17
1
680k 1%
R2
1
1k
R3
3
150k 1%
R4, R8, R10
1
300k 1%
R5
3
100k
R6, R7, R18
1
75k 1%
R9
6
10k
R12, R19, R30, R31, R37, R38
2
33
R16, R39
5
5K1
R20, R23, R24, R27, R29
1
240 1%
R21
1
3k3
R22
2
FRC0402F1053TS
105K 1%
R25, R28
1
84.5K 1%
R26
2
22
R33, R34

CPU board design files

The KiCad project lives in the openconcepts-ar/accel2d repository on GitHub; these links point at the commit this page was built from.

CPU board: common questions

How big is the CPU board?

The CPU board measures 51.2 × 25.8 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the CPU board?

103 components, from 46 distinct parts. The full bill of materials is listed on this page.

Where can I download the CPU board design files?

From the openconcepts-ar/accel2d repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the CPU board 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.

More boards in accel2d