HD66740 Datasheet, PDF (32/95 Pages) Hitachi Semiconductor – 112 x 80-dot Graphics LCD Controller/Driver

HD66740
Table 14 Instruction List
Register
Name
Code
R/W RS DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Description
Execu-
tion
Cycle
Start oscillation 0 0 0 0 0 0 0 0 1 1 Starts the oscillation standby —
mode.
Driver output
control
0 0 0 0 0 0 0 1 CMS SGS Selects the common driver 0
shift direction (CMS) and
segment driver shift direction
(SGS).
Power control
0 0 0 0 0 0 1 AMP SLP STB Turns on LCD power supply 0
(AMP), and sets the sleep
mode (SLP) and standby
mode (STB).
Contrast control 1 0 0 0 0 0 1 0 SW CT4 CT3 Sets the register selection 0
(SW) or upper contrast
adjustment bits (CT4-3).
BT1 BT0 Sets the register selection 0
(SW) or boost level (BT1/0).
Contrast control 2 0 0 0 0 0 1 1 CT2 CT1 CT0 Sets the lower contrast
0
adjustment bits (CT2-0).
BS2 BS1 BS0 Sets the LCD bias value 0
(BS2-0).
Entry mode set 0 0 0 0 1 0 0 REV I/D 1 Sets the black-and-white 0
reversal (REV) and address
update direction after RAM
access (I/D).
CT5 RDM 0 Sets the higher contrast
0
adjustment bit (CT5) and
read modify write (RDM).
32