IA63484 Datasheet, PDF (29/32 Pages) InnovASIC, Inc – Advanced CRT Controller

IA63484
Advanced CRT Controller
Data Sheet
Figure 14: Frame Memory Refresh & Video Attributes Output Cycle Timing
clk_2
as_n
mad[15:0]
ma19_16_ra[3:0]
mcyc
mrd
draw_n
hsync_n
Refresh_cycle
Attribute_cntl_info_out_cycle
t_ASD2
t_ASD1
t_PWASL
t_MAA2 t_MAS1
t_MAD
t_MAH1
refresh _adrs
refresh_adrs
t_MARAD
t_MCYCD
t_ATRH1
t_ATRD1
ATR
t_ATRD2
ATR
t_ATRH2
t_MRDD
t_MRH
t_DRWD
t_DRWH
t_HSD
t_HSD
Figure 15: Display Control Signal Output Timing
clk_2
mcyc
t_MCYD
t_HSD
t_VSD
hsync_n_vsync_n
disp1_n_disp2_n
t_DSPD
cud1_n_cud2_n
t_CUDD
t_EXD
exsync_n
t_CHD
chr
Copyright © 2001
innovASIC
The End of Obsolescence™
ENG 21101041200
Page 29 of 32
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