參數(shù)資料
型號(hào)： ML9040
廠商： OKI SEMICONDUCTOR CO., LTD.
英文描述： DOT MATRIX LCD CONTROLLER WITH 16-DOT COMMON DRIVER AND 40-DOT SEGMENT DRIVER
中文描述： 點(diǎn)陣LCD控制器的16交通部通用驅(qū)動(dòng)器和40段驅(qū)動(dòng)交通部
文件頁(yè)數(shù)： 23/47頁(yè)
文件大?。?/td> 434K
代理商： ML9040
ML9040-Axx/-Bxx
Semiconductor
23
Cursor/Blink Control Circuit
This is a circuit that generates the LCD cursor and blink.
This circuit is under the control of the CPU program.
The display of the cursor and blink on the LCD is made at a position corresponding to the
DD RAM address that is set in the ADC.
The figure below shows an example of the cursor/blink position when the value of ADC
is set to "07" (hex.).
(Note) The cursor and blink are displayed even when the CG RAM address is set in the
ADC. For this reason, it is necessary to inhibit the cursor and blink display while
the CG RAM address is set in the ADC.
LCD Display Circuit (COM
1
to COM
16
, SEG
1
to SEG
40
, L, CP, DO, and DF)
As the ML9040-Axx/-Bxx provides the COM signal outputs (16 outputs) and the SEG
signal outputs (40 outputs), it can display 8 characters (1-line display) or 16 characters (2-
line display) as a unit.
SEG
1
to SEG
40
are used to display 8-digit display on the LCD. To expand the display, an
MSM5259 is used.
The MSM5259, 40-dot segment driver, is used for expansion of the SEG signal output.
Interface with the MSM5259 is made through data output pin (DO), clock output pin (CP),
latch output pin (L), and display frequency pin (DF). The character pattern data is serially
transferred to MSM5259 through DO and CP. When the data of 72 characters 360-bit (= 5-
bit/ch. x 72 ch. = 1-line display) or 32 characters 160-bit (5-bit/ch. x 32 ch. = 2-line display)
is output, the latch pulse is also output through pin L. By this latch pulse, the data
transferred serially to MSM5259 is latched to be used as display data. The display
frequency signal (DF) required when LCD is displayed is also output from DF pin
synchronously with this latch pulse.
L
DB
6
L
L
L
ADC
H
H
H
DB
0
00
First
digit
01
2
02
3
05
4
04
5
In 1-line display mode
05
6
06
7
07
8
7
0
08
9
4E
79
4F
80
Cursor and blink position
00
40
First
digit
01
41
2
02
42
3
03
43
4
04
44
5
First line
Second line
05
45
6
06
46
7
07
47
8
08
48
9
26
66
39
27
67
40
Cursor and blink position
In 2-line display mode
相關(guān)PDF資料
PDF描述
ML9040-Axx DOT MATRIX LCD CONTROLLER WITH 16-DOT COMMON DRIVER AND 40-DOT SEGMENT DRIVER
ML9040-Bxx DOT MATRIX LCD CONTROLLER WITH 16-DOT COMMON DRIVER AND 40-DOT SEGMENT DRIVER
ML9041 DOT MATRIX LCD CONTROLLER DRIVER
ML9042 DOT MATRIX LCD CONTROLLER DRIVER
ML9044 DOT MATRIX LCD CONTROLLER DRIVER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ML9040A 制造商:OKI 制造商全稱(chēng):OKI electronic componets 功能描述:DOT MATRIX LCD CONTROLLER WITH 16-DOT COMMON DRIVER AND 40-DOT SEGMENT DRIVER
ML9040A-A01GAZ03A-7 功能描述:LCD 驅(qū)動(dòng)器 LCD DOT Matrix Controller, 16/40 RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
ML9040A-A01GAZ0A-ML 制造商:ROHM Semiconductor 功能描述:
ML9040A-AXX 制造商:OKI 制造商全稱(chēng):OKI electronic componets 功能描述:DOT MATRIX LCD CONTROLLER WITH 16-DOT COMMON DRIVER AND 40-DOT SEGMENT DRIVER
ML9040A-B01GAZ03A-7 功能描述:LCD 驅(qū)動(dòng)器 LCD DOT Matrix Controller, 16/40 RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
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