LSPC-A0

LSPC-A0 graphics chip found in on a MV4.

Part of the first generation GPU, see LSPC2-A2 for more details.

Pinout

117: 8 ULN2803 K11 / 112 C0

126: F7 LS86 12

127: C0 37/1 Ls273 E4/5

128: C0 54/B0 21

158: 3 D7 (AS04)

(Max size:File:lspc-a0_pinout.png)
File:Lspc-a0 pinout.png

OpenOffice Draw file: File:Lspc-a0.odg

• A1~A3: 68k address bus
• D0~D15: 68k data bus
• SVA0~SVA14: Slow VRAM bank address bus
• SVD0~SVD15: Slow VRAM bank data bus
• FVA0~FVA10: Fast VRAM bank address bus
• FVD0~FVD15: Fast VRAM bank data bus
• LOA0~LOA15: LO ROM address bus (P bus ?)
• DOTA/DOTB,H,LOAD: C ROM multiplexer control, see PRO-CT0
• EVEN: Swap signal for dual pixel data
• IP0/IP1: