IA63484 Datasheet, PDF (3/32 Pages) InnovASIC, Inc – Advanced CRT Controller

IA63484
Advanced CRT Controller
BLOCK DIAGRAM
Data Sheet
Figure 1: System Block Diagram
Figure 2 illustrates the ACRTC system environment. The following paragraphs will further describe
the system block diagram and design in more detail.
MPU
(8/16b)
SYSTEM
MEMORY
DMAC
res_n
irq_n
d[15:0]
dtack_n
cs_n
ma[19:16]
as_n
L
mrd
rs
rw_n
dreq_n
dack_n
done_n
clk_2
Vss
Vcc
ACRTC
disp2_n
disp1_n
cud2_n
cud1_n
lpstb
exsync_n
vsync_n
hsync_n
mad[15:0]
FRAME
BUFFER
2MB, MAX
DOT SHIFTER
CRT
VIDEO
SIGNAL
Copyright © 2001
innovASIC
The End of Obsolescence™
ENG 21101041200
Page 3 of 32
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