HardLabs

MicroHard

MH-Flight-Simulator-X·PCB·MicroHard/MicroHard.kicad_pcb

MicroHard PCB layout, top view — open source FPGA board by MH-Flight-Simulator-X

About the MicroHard PCB

MicroHard is an open source FPGA PCB design by MH-Flight-Simulator-X, published on GitHub. It is a 6-layer board measuring 197.5 × 107.7 mm, with 189 components from 57 distinct parts.

Its main chip is the XC7A100T-FTG256, from the FPGA family. Other key parts include the IS66WVO32M8DBLL-166BLI, TPS54325, TPS54294, EFM32GG842F1024 and MAX6955 Display Driver. By type, the board carries 82 capacitors, 64 resistors, 9 ICs, 8 connectors, 7 diodes and 6 LEDs.

Main components on the MicroHard

IS66WVO32M8DBLL-166BLITPS54325TPS54294EFM32GG842F1024XC7A100T-FTG256MAX6955 Display DriverSN74ALVC245PWRMT25QL256ABA8ESF-0SIT

MicroHard bill of materials (BOM)

189 components, 57 distinct parts.

QtyPartRefs
1
IS66WVO32M8DBLL-166BLI
IC1
1
TPS54325
U1
1
TPS54294
U2
1
EFM32GG842F1024
U3
1
XC7A100T-FTG256
U4
1
MAX6955 Display Driver
U5
2
SN74ALVC245PWR
U6, U7
1
MT25QL256ABA8ESF-0SIT
U8
1
48MHz
Y1
1
CB3-3C-20M000000
Y2
1
USB_B_Micro
J1
1
Micro_SD_Card_Det2
J2
1
GPIO_header
J3
1
MCU_Debug
J4
1
Controller Connector
J5
1
FPGA_GPIO_header
J6
1
FPGA_DEBUG
J7
1
L77HDE15SD1CH4FVGA
J8
3
Jumper_2_Bridged
JP1, JP2, JP3
4
KMR221NGLFS
SW1, SW2, SW3, SW4
Show 37 more
QtyPartRefs
6
PSC05-12GWA
LED1, LED2, LED3, LED4, LED5, LED6
7
LED
D1, D2, D3, D4, D5, D6, D7
1
FerriteBead
FB1
2
1.5u
L1, L2
1
2.2u
L3
16
100n
C1, C4, C10, C12, C13, C14, C27, C29 +8
4
100u
C2, C32, C42, C69
6
10u
C3, C9, C11, C22, C26, C28
6
22u
C5, C6, C15, C16, C17, C18
1
3.3n
C7
5
1u
C8, C19, C25, C75, C77
2
30p
C20, C21
3
10n
C23, C24, C46
12
4.7u
C33, C34, C41, C45, C49, C50, C51, C52 +4
21
470n
C35, C36, C37, C38, C39, C40, C43, C44 +13
3
47u
C47, C63, C72
1
330u
C48
1
11p
C74
1
4p
C79
1
6.81k
R1
3
100k
R2, R7, R27
3
22.1k
R3, R9, R10
2
1
R4, R76
1
30.1k
R5
1
73.2k
R6
4
330
R8, R22, R23, R24
2
68
R11, R13
6
10k
R12, R14, R15, R18, R19, R75
1
200
R16
6
4.7k
R17, R20, R25, R26, R69, R71
3
100
R21, R65, R66
15
536
R32, R34, R35, R42, R43, R44, R48, R49 +7
9
270
R33, R40, R41, R45, R46, R47, R52, R53 +1
1
1MEG
R59
3
2.4k
R70, R72, R73
1
12k
R74
2
47k
R77, R78

MicroHard design files

The KiCad project lives in the MH-Flight-Simulator-X/PCB repository on GitHub; these links point at the commit this page was built from.

MicroHard: common questions

What microcontroller does the MicroHard use?

The MicroHard is built around the XC7A100T-FTG256, from the FPGA family.

How big is the MicroHard PCB?

The MicroHard measures 197.5 × 107.7 mm, has 6 copper layers and is 1.6 mm thick.

How many components are on the MicroHard?

189 components, from 57 distinct parts. The full bill of materials is listed on this page.

Where can I download the MicroHard design files?

From the MH-Flight-Simulator-X/PCB repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the MicroHard design in my own project?

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

Can I test firmware for the MicroHard without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug FPGA firmware against it before you order a PCB.

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