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Z80Bus OneRom module
Z80Bus OneRom Module V1, better use V2.
Because the smallest version of RomWBW is 128K, I made this module. It supports OneRom as TC53100. So 1 for 128K rom space.
This is perfect for testing, just connect the USB and send the new ROM to the system.
Information about OneRom : https://onerom.org/
SW1 and SW2 for selecting the IO address for bankswitching.
The 74hCT08 is only needed with 62256 (Hi Ram) and/or SST39F040 (Flash)
J13
5/6 Write to Flash, for write protection don't install jumper
7/8 Write to HiRam
9/10 Read from flash/ OneRom
11/12 Read from HiRam
J12
For OneRom use :
1/2
3/4
For 512k
1/2
3/4
5/6
7/8
Z80Bus OneRom module
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
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