hd66731a01tb0l Renesas Electronics Corporation., hd66731a01tb0l Datasheet - Page 114

• Manufacturer Part Number: hd66731a01tb0l
• Description: Dot-matrix Liquid Crystal Display Controller/driver Supporting Japanese Kanji, Korean Font Display - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

1/53 Duty Cycle (DT1/0 = 11: 4-Line Drive)
Table 27
Number of Display Lines:
(NL1/0 Setting Value):
Number of display characters
(NC1/0 setting value)
1-line selection period (dot)
Number of dots per screen (dot)
Oscillation frequency (kHz)*
Note:
COM1
*
The frequencies in Table 26 are examples when the frame frequency is to 80 Hz. Adjust the
oscillation frequency so that an optimum frame frequency can be obtained.
V
V1
V4
V5
1/53 Duty Drive
CC
1-line selection period
1
2
Figure 45 Frame Frequency (1/53 Duty Cycle)
(Number of dots per screen)
3
1 frame
(00)
6 characters
(00)
72 dots
3816 dots
265
4
4-line Display (11)
52
53
(01)
10 characters
(01)
120 dots
6360 dots
445
1
2
(Number of dots per screen)
3
1 frame
HD66730/HD66731
52
53
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