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