hd66712u Renesas Electronics Corporation., hd66712u Datasheet - Page 55

• Manufacturer Part Number: hd66712u
• Description: Dot-matrix Liquid Crystal Display Controller/driver - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

HD66712U
Table 13
Item
Number of Lines
Duty factor
Bias
Divided resistance
Note: R changes depending on the size of liquid crystal panel. Normally, R must be 4.7 k
418
Duty Factor and Power Supply for Liquid Crystal Display Drive
R
R0
1
1/17
1/5
R
R
Data
2, 4
1/33
1/6.7
R
2.7R
to 20 k .