參數(shù)資料
型號: HD66732
廠商: Hitachi,Ltd.
英文描述: Graphics Liquid Crystal Display Controller/Driver Supporting JIS Level-1 and Level-2 Kanji ROM(圖形LCD控制器/驅(qū)動器)
中文描述: 圖形液晶顯示控制器/驅(qū)動器支持日標(biāo)級- 1和第2級漢字光盤(圖形液晶顯示控制器/驅(qū)動器)
文件頁數(shù): 44/133頁
文件大?。?/td> 2608K
代理商: HD66732
HD66732
44
Driver Output Control (R2)
NL2-0:
Specify the display lines. Display lines change the liquid crystal display drive duty ratio. DDRAM
address mapping does not depend on the number of display lines.
CEN:
Switches the COM1 output start position. When CEN = 1, it shifts COM1 by one line (13 raster-
rows) and outputs COM1 from the center of the screen (the second line). For details, see the Partial-
display-on Function section.
CMS:
Selects the output shift direction of a common driver. When CMS = "0", COM1/52 shifts to COM1,
and COM52/1 to COM52. When CMS = "1", COM1/52 shifts to COM52, and COM52/1 to COM1.
Output position of a common driver shifts depending on the CEN bit setting. For details, see the Display
On/Off Control section.
SGS:
Selects the output shift direction of a segment driver. When SGS = "0", SEG1/120 shifts to SEG1,
and SEG120/1 to SEG120. When SGS = "1", SEG1/120 shifts SEG120, and SEG120/1 to SEG1.
R/W RS DB7
DB0
0
1
DB6 DB5 DB4 DB3 DB2 DB1
0
NL2 NL1 NL0
0
CEN CMS SGS
R2:
Figure 7 Driver Output Control Instruction
Table 27
NL Bits and Display Lines
NL2
NL1
NL0
Display Lines
Liquid Crystal Display
Drive Duty Ratio
Common Driver Used
0
0
0
Segment display
1/2 Duty
COMS1, COMS2
0
0
1
One character line
+ segment display
1/15 Duty
COM1–13, COMS1, COMS2
0
1
0
Two character lines
+ segment display
1/28 Duty
COM1–26, COMS1, COMS2
0
1
1
Three character lines
+ segment display
1/41 Duty
COM1–39, COMS1, COMS2
1
0
0
Four character lines
+ segment display
1/54 Duty
COM1–52, COMS1, COMS2
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