HD66750 Datasheet, PDF (94/96 Pages) Hitachi Semiconductor – 128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions

HD66750/1
80-system Bus Operation
RS
CS*
WR*
RD*
DB0
to DB15
DB0
to DB15
VIH
VIL
tAS
VIL
VIH
VIL
tAH
VIH
*1
PWLW, PWLR
PWHW PWHR
VIH
VIH
VIH
VIL
tWRr
VIL
tWRf
tCYC W, tCYCR
tDSW
tHWR
VIH
VIL
Write data
VIH
VIL
t DDR
VOH1
VOL1
tD HR
Read data
VOH1
VOL1
Note 1: PWLW and PWLR are s pecified in the overlapped period when CS* is low and W R* or RD* is low.
Figure 63 80-system Bus Timing
Reset Operation
tRES
RESET*
VIL
VIL
Figure 64 Reset Timing
94