Z80 card in case-friendly format

I had already presented my Z80 card for the Commodore C64 here. The PCB was not suitable to be installed in a standard cartridge case.

Therefore I reduced the size of the board a bit. Also all components are now SMD. This allows a complete automated assembly by service providers, such as PCBWay.

Small but powerful

Technically nothing has changed on the cartridge. Only all components that were still intended for through-hole mounting have been replaced by SMD components.

This has saved an enormous amount of space. Then I provided a central hole, through which later the screw for the housing is led.

New PCB Version

The firmware has only been adapted to the extent that the different layout has resulted in a new pin assignment for the Xilinx CPLD. Otherwise, no new features have been added.

Unfortunately, I have not received any feedback on whether the first version of this cartridge works in other computer models. There were quite a few people who wanted to test it, but there was no feedback until today.

Therefore I end the project at this point. The firmware runs stable on different models (see also the detailed report HERE). I therefore release the firmware as it is.

Source of supply PCB

The PCB for this project can be ordered at PCBWay. Just click on the following link, add the board to your shopping cart and order.

Components list

ManufacturerPart NumberDescriptionQuantityDesignator
Wurth Electronics742792620Checked Ferrite Beads WE-CBF 0603 SMD Bead 100MHz 100Ohm 500mA Ferrite Beads and Chips 0,146FB1 – FB6
KEMETC0603C100K4RAC7867Cap Cer 10PF 16V X7R 06036C9 – C11, C14 – C16
KEMETC0603C104J3RACTUMultilayer Ceramic Capacitor, 0603 [1608 Metric], 0.1 F, 25 V, 5%, X7R, C Series8C1 – C8
KEMETC0805C106K8RACTUCAP, 10µF, 10V, 10%, X7R, 08052C12, C13
KEMETEEV476M035A9GAAAluminum Electrolytic Capacitors – SMD 47uF 35 Volts 0.21CP1
ExarSPX5205M5-L-3-3/TRLDO Regulator Pos 3.3V 0.15A 5-Pin SOT-23 T/R1U3
XilinxXC95144XL-10TQ100CIC CPLD 144MC 10NS 100TQFP1U1
Ixys ZilogZ84C0008AEGIC MPU Z80 8MHZ 44LQFP1U2

Firmware Download

Z80-Card for C64


Firmware - Z80 Card for C64 V0.6

Firmware for the Z80-Card
Version: 0.6
Size: 8.33 KB
Hits: 208
Date added: 03-05-2021

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