A practically complete Z80 20MHz Z84C0020 chipset is on ebay. Ideal for anyone wanting to design the own 20MHZ MSX microcomputer. The kit includes:
Z84C0020 CPU
20MHz Crystal
V9958 VDP
512K x 8bit SRAM
64K x 8bit EEPROM
512K x 8bit FLASH (can be used as floppy or mini hard drive)
Ay-3-8912 Sound Chip
EPM7128 CPLD (2500 gates) programmable logic PLCC84 68 I/O lines
EPM7064 CPLD PLCC44 32 I/O lines
ATF1502 CPLD PLCC44 32 I/O lines
GAL22V10
Numerous connectors, Scart,DB9,DB25, PS/2 mouse/keyboard etc
7805 Voltage regulator
Switches/knobs etc
Copper PCB board , double sided.
Might be worth a look....
ideal for hobbyist or student wanting to design a 20MHz MSX 2 computer !!
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