Maria

Description

Catalogue numbers

C024674 7800 NTSC older
C025349 7800 NTSC newer
C025314
C025718 7800 PAL

Pinout


pinout
A0-A15memory address bus
D0-D7memory data bus
Vssground
Vddpower
/NMIoutput to cpu
XTAL114 MHz input
XTAL2main clock output
MENMaria enable input. When lo, video is off and memory map is 2600
Ø2phase 2 clock input
TCLKTIA main/4 clock
Ø0phase 0 clock output. 1.79M or 1.19M
DELdelay line control voltage input
/SRAM0-1RAM chipselects
/SEL32RIOT chipselect
/TIASELTIA chipselect
R/WRead/write input
/HALTcpu halt output
READYcpu ready output
LUM0-3luminance output
COLORcolor output
BLANKblank output
SYNCvideo sync output
. Back (c) 1998-2004 Jindroush Last modified: Tue Dec 10 21:59:30 2002