IA63484
Data Sheet
Advanced CRT Controller
BLOCK DIAGRAM
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.
res_n
ma[19:16]
irq_n
MPU
(8/16b)
as_n
mrd
d[15:0]
FRAME
BUFFER
2MB, MAX
L
dtack_n
cs_n
rs
mad[15:0]
rw_n
dreq_n
dack_n
disp2_n
disp1_n
cud2_n
cud1_n
lpstb
SYSTEM
MEMORY
ACRTC
DOT SHIFTER
done_n
clk_2
Vss
exsync_n
vsync_n
hsync_n
CRT
DMAC
VIDEO
SIGNAL
Vcc
Copyright ã 2001
innovASIC
ENG 21101041200
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