hd66740 Renesas Electronics Corporation., hd66740 Datasheet - Page 87

• Manufacturer Part Number: hd66740
• Description: 112 X 80-dot Graphics Lcd Controller/driver - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

80-system Bus Operation
DB0
to DB7
DB0
to DB7
Note 1: PW
WR*
RD*
CS*
RS
LW
and PW
LR
are specified in the overlapped period when CS* is low or WR* or RD* is low.
V
V
IH
IL
Figure 48
t
t
V
WRr
AS
IL
V
IH
V
t
IL
DDR
80-system Bus Timing
PW
t
CYCW,
LW,
87
V
V
V
V
IH
IL
OH1
OL1
PW
t
DSW
t
LR
CYCR
V
*1
Write data
Read data
IL
V
IH
t
V
WRf
IH
t
t
DHR
t
HWR
AH
PW
V
V
V
V
V
V
OH1
OL1
IH
IH
IL
IL
HW
PW
HR
HD66740
V
IH