NEO-ZMC2

NEO-ZMC2 chip found on a 1FZS MVS board.

NEO-ZMC and PRO-CT0 in one package. The PRO-CT0 is a network of shift registers and multiplexers (32-bit C ROM bus to two 4 bpp pixel outputs).

Found in second revision MVS boards (for the PRO-CT0 logic only) and AES carts.

Pinout

Information provided by Channelmaniac.

File:Neo-zmc2 pinout.png

• A0,A1,A8~A15: Z80 address bus (NEO-ZMC part)
• MA11~M21: M ROM address outputs
• 12M: 12MHz clock (from NEO-D0)
• GAD0~GAD3: Pixel A color data
• GBD0~GBD3: Pixel B color data
• C0~C31: Cartridge connections to C ROMs
• H: Reverse bit order of pixels (sprite horizontal flip)