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参数资料
| 型号： | ML9044A-XXACVWA |
| 厂商： | LAPIS SEMICONDUCTOR CO LTD |
| 元件分类： | 显示控制器 |
| 英文描述： | 17 X 120 DOTS DOT MAT LCD DRVR AND DSPL CTLR, UUC189 |
| 封装： | GOLD BUMP, DIE-189 |
| 文件页数： | 14/65页 |
| 文件大小： | 726K |
| 代理商： | ML9044A-XXACVWA |
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PEDL9044A-04
OKI Semiconductor
ML9044A-xxA/xxB
20/64
2) Large character patterns (5
× 11 dots) (See Table 3-2.)
(1)
A method of writing character patterns to the CGRAM from the CPU
The four CGRAM address bit weights 0 to 3 select one of the lines constituting a character pattern.
First, set the mode to increment or decrement from the CPU, and then input the CGRAM address.
Write each line of the character pattern code in the CGRAM through DB0 to DB7.
The data lines DB0 to DB7 correspond to the CGRAM data bit weights 0 to 7, respectively (see Table 3-
2). Input data “1” represents the ON status of an LCD dot and “0” represents the OFF status. Since the
ADC is automatically incremented or decremented by 1 after the data is written to the CGRAM, it is not
necessary to set the CGRAM address again.
The bottom line of a character pattern (the CGRAM address bit weights 0 to 3 are all “1”, which means A
in hexadecimal) is a cursor line. The ON/OFF pattern of this line is ORed with the cursor pattern for
displaying on the LCD. Therefore, the pattern data for the cursor position should be all zeros to display
the cursor.
Whereas CGRAM data bit weights 0 to 4 are output as display data to the LCD when CGRAM address bit
weights 0 to 3 are “0” to “A” in hexadecimal, the data given by the CGRAM data bit weights 5 to 7 or the
CGRAM addresses B to F in hexadecimal is not. These bits can be written and read as a RAM area.
(2)
A method of displaying CGRAM character patterns on the LCD
The CGRAM is selected when the higher-order 4 bits of a character code are all zeros. Since bit weights
0 and 3 of a character code are not used, the character pattern “g” in Table 3-2 can be selected with a
character code “02”, “03”, “0A” or “0B” in hexadecimal.
When the 8-bit character code corresponding to a character pattern in the CGRAM is written to the
DDRAM, the character pattern is displayed in the display position specified by the DDRAM address.
(The DDRAM data bit weights 1 and 2 correspond to the CGRAM address bit weights 4 and 5,
respectively.)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ML9044A-XXBCVWA | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:DOT MATRIX LCD CONTROLLER DRIVER |
| ML-90-4-5 | 功能描述:KNOB BLK MATTE.925"DIA.250"SHAFT RoHS:是 类别:硬件，紧固件，配件 >> 旋钮 系列:ML 标准包装:1 系列:- 样式:圆柱形 类型:开槽 轴尺寸:0.250"（6.35mm） 直径:1.031"（26.19mm） 高度:0.688"（17.48mm） 指示灯:无指示灯 材质:塑料 颜色:黑 特点:8-32 号固定螺丝 |
| ML-90-4-6 | 功能描述:KNOB BLK MATTE.925"DIA.125"SHAFT RoHS:是 类别:硬件，紧固件，配件 >> 旋钮 系列:ML 标准包装:1 系列:- 样式:圆柱形 类型:开槽 轴尺寸:0.250"（6.35mm） 直径:1.031"（26.19mm） 高度:0.688"（17.48mm） 指示灯:无指示灯 材质:塑料 颜色:黑 特点:8-32 号固定螺丝 |
| ML-90-4-6MM | 功能描述:KNOB BLK MATTE.925"DIA 6MM SHFT RoHS:是 类别:硬件，紧固件，配件 >> 旋钮 系列:ML 标准包装:1 系列:- 样式:圆柱形 类型:开槽 轴尺寸:0.250"（6.35mm） 直径:1.031"（26.19mm） 高度:0.688"（17.48mm） 指示灯:无指示灯 材质:塑料 颜色:黑 特点:8-32 号固定螺丝 |
| ML-90-4-7 | 功能描述:KNOB BLK MATTE.925"DIA 6MM SHFT 制造商:kilo international 系列:ML 零件状态:有效 样式:圆柱形 类型:平滑 轴尺寸:0.236"（6.00mm） 直径:0.925"（23.50mm） 高度:0.625"（15.88mm） 指示灯:顶部点 材料:金属 颜色:黑色粗光面 特性:6-32 号固定螺丝 标准包装:1 |
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