NEO-ZMC

Package	SOIC24
Manufacturer
First use	1991 ?
Used on	cartridges

Z80 Memory Controller. Handles Z80 bankswitching in cartridges allowing M1 ROMs up to 512KiB (possibly 4MiB ?). Later evolved into NEO-ZMC2.

Pinout

Edit this pinout

Pins 10, 11, 12 may be M1 A19, A20 and A21. This would match pins available on NEO-ZMC2.

• SDA0, SDA1, SDA8~15: Z80 address bus
• M1 A11~M1 A18: M1 ROM address lines
• SDRD0: Decoded write signal from NEO-D0 (latch on rising edge)