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ML9040A 参数 Datasheet PDF下载

ML9040A图片预览
型号: ML9040A
PDF下载: 下载PDF文件 查看货源
内容描述: 具有16点共同驱动器和40点段驱动点阵LCD控制器 [DOT MATRIX LCD CONTROLLER WITH 16-DOT COMMON DRIVER AND 40-DOT SEGMENT DRIVER]
分类和应用: 驱动器控制器
文件页数/大小: 49 页 / 432 K
品牌: OKI [ OKI ELECTRONIC COMPONETS ]
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PEDL9040A-03  
¡ Semiconductor  
ML9040A-Axx/-Bxx  
(2) When data input/output to and from the CPU is carried out by 4 bits (DB to DB ):  
4
7
q Turn on the power.  
w Wait for 15 ms or more after V has reached 4.5V or more.  
DD  
e Set 8B by initial setting of instruction.  
r Wait for 4.1 ms or more.  
t Set 8B by initial setting of instruction.  
y Wait for 100 ms or more.  
u Set 8B by initial setting of instruction.  
i Check the busy flag as No Busy.  
o Set 4B by initial setting of instruction.  
! Wait for 100 ms or more.  
! Set 4B, LCD line number (N) and character font (F) by initial setting of instruction.  
(After this, the LCD line number and character font cannot be changed.)  
! Check No Busy.  
! Clear the display by setting the display mode.  
! Check No Busy.  
! Clear the display.  
! Check No Busy.  
! Set the shift mode.  
! Check No Busy.  
! Initialization completed.  
Example of Instruction Code for Steps e, t, and u.  
R/W RS DB7 DB6 DB5 DB4  
L
L
L
L
H
H
Example of Instruction Code for Step o.  
R/W RS DB7 DB6 DB5 DB4  
L
L
L
L
H
L
Example of Instruction Code for Step i.  
RS1 RS0 R/W DB7 DB6 DB5 DB4  
H
L
H
BF Q6 Q5 Q4  
Execute two-step accesses in 4 bits from Step ! to Step !.  
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