Trollbook rev2

trollectronics·trollbook·hw/motherboard/trollbook-rev2.kicad_pcb

Trollbook rev2 PCB layout, top view — open source board by trollectronics
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About the Trollbook rev2 PCB

Trollbook rev2 is an open source PCB design by trollectronics, published on GitHub. It is a 4-layer board measuring 100 × 100 mm, with 147 components from 39 distinct parts.

Other key parts include the MC68040FE33V, EPF10K50VRC240, EPC2, HY57V561620 and AS7C34098. By type, the board carries 72 capacitors, 36 resistors, 12 ICs, 11 connectors and 5 transistors.

From the project

Homebrew 68040 palmtop computer

This is a work-in-progress palmtop (ish) sized clamshell laptop that we've been working on for a while.

In its current state, it boots up into a BIOS menu capable of doing a few simple things like browsing a FAT formatted SD-card, flashing its bootrom from SD-card and excuting programs from SD-card. One of the included demo programs can play .MOD music files from SD card.

Main components on the Trollbook rev2

Trollbook rev2 bill of materials (BOM)

147 components, 39 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MC68040FE33V
U1
1
EPF10K50VRC240
U2
1
EPC2
U3
2
HY57V561620
U4, U5
1
AS7C34098
U6
1
74LVC138
U7
1
MCP4902
U8
1
S25FL204K0TMFI010
U9
1
ADA4851-4
U10
1
33 MHz
U11
1
12.288 MHz
U12
4
2N7002E
Q1, Q2, Q4, Q5
1
DMP3030SN-7
Q3
1
FPGA JTAG
CON1
1
CPU JTAG
CON2
1
/BR
P1
1
/CDIS
P2
1
Audio
P3
1
ER-CON40HT-1
P4
1
Power
P5
Show 19 more
QtyPartRefs
1
Peripheral
P6
1
VGA
P7
1
Clocks
P8
1
Ext. Interrupt
P9
4
20k
RP1, RP2, RP3, RP4
7
10k
RP5, RP6, RP7, RP8, RP9, RP10, RP11
1
220u
C1
1
10u
C2
39
100n
C3, C4, C5, C6, C7, C8, C9, C10 +31
30
10n
C37, C38, C39, C40, C41, C42, C43, C44 +22
1
1u
C72
9
R
R1, R10, R11, R15, R29, R30, R31, R32 +1
12
10k
R2, R3, R4, R5, R6, R12, R16, R17 +4
4
1k
R7, R8, R9, R28
1
470k
R13
1
20R
R14
3
560k
R19, R20, R23
3
180k
R21, R22, R24
3
75
R25, R26, R27

Trollbook rev2 design files

The KiCad project lives in the trollectronics/trollbook repository on GitHub; these links point at the commit this page was built from.

Trollbook rev2: common questions

How big is the Trollbook rev2 PCB?

The Trollbook rev2 measures 100 × 100 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Trollbook rev2?

147 components, from 39 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 Trollbook rev2 design files?

From the trollectronics/trollbook repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Trollbook rev2 design in my own project?

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

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