hd66740 Renesas Electronics Corporation., hd66740 Datasheet - Page 17

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

Instruction Descriptions
Start Oscillation
The start oscillation instruction restarts the oscillator from the halt state in the standby mode. After
issuing this instruction, wait at least 10 ms for oscillation to stabilize before issuing the next instruction.
(See the Standby Mode section.)
Driver Output Control
CMS: Selects the output shift direction of a common driver. When CMS = "0", COM1/80 shifts to
COM1, and COM80/1 to COM80. When CMS = "1", COM1/80 shifts to COM80, and COM80/1 to
COM1. Output position of a common driver shifts depending on the CN1–0 bit setting. For details,
see the Display On/Off Control section.
SGS: Selects the output shift direction of a segment driver. When SGS = "0", SEG1/112 shifts to
SEG1, and SEG112/1 to SEG112. When SGS = "1", SEG1/112 shifts SEG112, and SEG112/1 to
SEG1.
R/W RS DB7
R/W RS DB7
0
0
Figure 2
Figure 1
0
0
0
0
Driver Output Control Instruction
DB6 DB5 DB4 DB3 DB2 DB1
DB6 DB5 DB4 DB3 DB2 DB1
0
0
Start Oscillation Instruction
0
0
17
0
0
0
0
1
0
CMS SGS
1
DB0
DB0
1
HD66740