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參數(shù)資料
| 型號： | ST2202 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 8 BIT Integrated Microcontroller with 256K Bytes ROM |
| 中文描述： | 8位微控制器集成256K字節(jié)ROM的 |
| 文件頁數(shù)： | 41/65頁 |
| 文件大?。?/td> | 1946K |
| 代理商： | ST2202 |
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Sitronix
external DC-DC converter, which generates a high voltage
for driving liquid crystal.
POFF
outputs “1” when clearing
LPWR
(
LCTR
), and outputs “0” by setting this bit, which is
also the default value.
BLANK (Contrast control)
The LCD blank signal is used to control the contrast of
display by setting contrast level in
LPWM[5:0]
with “00000”
(default) represents a maximum level and “11111” is for
minimum. The
BLANK
signal achieves this function by
outputting a PWM signal according to the settings of
16.2 Mapping the Display Data
ST2202
Ver 2.0a
41/65
2003-May-05
contrast. Refer to section 16.4.10 for more information.
Besides contrast control,
BLANK
signal plays another role
of turning display off. This is controlled by register bit
BLNK
(
LCTR
). Setting
BLNK
bit will make
BLANK
signal to
output “0” to blank the display regardless of contrast control.
Setting
BLNK
bit will enable the PWM contrast control and
of course the
BLANK
signal. If
LPWMTR[5:0]
are all zeros,
BLANK
signal will stay at high level with no PWM
modulation.
The screen width and height of the LCD panel are
programmable through software. FIGURE 16-1 illustrates
the relationship between the portion of a large graphics file
displayed on the screen and the actual page. Although the
maximum screen size can be up to 1024x512, the actual
supported resolution is limited by the display buffer size,
which is also the internal RAM size, 4K bytes. Each bit in
the display memory corresponds to a pixel in the LCD panel.
FIGURE 16-1 also shows the mapping of the display data
to the LCD.
FIGURE 16-1 LCD Screen Format
16.3 LCD Interface Timing
The LCD controller continuously pumps the pixel data into
the LCD panel via the LCD data bus. The bus is timed by
the CP, LOAD, and FLM signals. Two kinds of data width, 1-
and 4-bit, are supported for most monochrome LCD panels.
Refer to FIGURE 16-2 for both 1- and 4-bit interface timing.
相關PDF資料 |
PDF描述 |
|---|---|
| ST2221C | 16 BIT CONSTANT CURRENT LED DRIVERS |
| ST2225A-SS3 | LED DISPLAY DRIVER |
| ST2225A | LED DISPLAY DRIVER |
| ST2225A-D | LED DISPLAY DRIVER |
| st302 | PHOTOTRANSISTORS |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ST2202A | 制造商:SITRONIX 制造商全稱:SITRONIX 功能描述:8 BIT Integrated Microcontroller with 256K Bytes ROM |
| ST2203U | 制造商:SITRONIX 制造商全稱:SITRONIX 功能描述:8-Bit Microcontroller With 2K Bytes RAM |
| ST2204 | 制造商:SITRONIX 制造商全稱:SITRONIX 功能描述:8 BIT Integrated Microcontroller with 512K Bytes ROM |
| ST220-50T2KI | 功能描述:鉭質電容器-濕式 ST220-50T2KI RoHS:否 制造商:Vishay/Tansitor 電容:2800 uF 電壓額定值:35 V ESR:0.35 Ohms 容差:20 % 端接類型:Axial 工作溫度范圍:- 55 C to + 85 C 制造商庫存號:T4 Case 外殼直徑:9.52 mm 外殼長度:26.97 mm 外殼寬度: 外殼高度: 系列:STE 產品:Tantalum Wet Hermetically Sealed 封裝:Bulk |
| ST220-50T2MI | 功能描述:鉭質電容器-濕式 220UF 50V 20% T2 RoHS:否 制造商:Vishay/Tansitor 電容:2800 uF 電壓額定值:35 V ESR:0.35 Ohms 容差:20 % 端接類型:Axial 工作溫度范圍:- 55 C to + 85 C 制造商庫存號:T4 Case 外殼直徑:9.52 mm 外殼長度:26.97 mm 外殼寬度: 外殼高度: 系列:STE 產品:Tantalum Wet Hermetically Sealed 封裝:Bulk |
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