hd66740 Renesas Electronics Corporation., hd66740 Datasheet - Page 34

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

HD66740
Table 14
Register
Name
LCD-driving-
pattern control
LCD-driving-
waveform control
RAM address set
(upper bits)
RAM address set
(lower bits)
Write data to RAM 0
Read data from
RAM
Notes: 1.
The upper column of each register can be set when SW = 0.
when SW = 1.
Instruction List (cont)
R/W RS
0
0
0
0
1
0
0
0
0
1
1
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Description
0
0
1
1
1
1
0
1
1
1
1
Code
1
1
Write data
Read data
0
1
(lower bits)
34
AD5-0
(upper bits)
AD10–6
NW2 NW1 NW0 Sets the number of n-raster-
EOR NW4 NW3 Sets the EOR output (EOR)
0
DCC B/C Selects the boosting cycle
(DCC) or LCD drive AC
waveform (B/C)
rows (NW2–0) in C-pattern
AC drive.
or the number of n-raster-
rows (NW4–3) in C-pattern
AC drive.
Initially sets the upper
addresses of the RAM to the
address counter (AC).
Initially sets the lower
addresses of the RAM to the
AC.
Writes data to CGRAM.
Reads data from CGRAM.
The lower column can be set
Execu-
tion
Cycle
0
0
0
0
0
0
0