Segments VA White Backlight spi lcd digital signage stretched bar HT1621 Driver control TN HTN STN FSTN lcd display module
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- Supplier: Shenzhen Saef Technology Ltd.
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Product Overview
Description
Product Description
How to Select a Segment LCD Screen
The segment LCD screen has the advantages of fast response, low power consumption and low cost. It is precisely because of these advantages that many users will choose the segment LCD screen, the segment LCD screen is required to make the tooling mold customization, so what parameters need to be determined before the tooling is made, the following is introduced by the segment code LCD screen manufacturer:
Parameters that need to be confirmed for customized segment LCD:
1. Size: The size of the window (viewing area) is the most important
2. Backlight: whether you need a backlight and a backlight method (if you use it at night, it is recommended to install a
backlight; Reference the bottom backlight or the side backlight
3. The producer of the drive: do it yourself or the manufacturer.
4. Working voltage
5. Provide display renderings, drawings or required colors (generally white on blue, yellow-green and low-black and white on black, etc.)
6. Connection: metal pin connection or zebra connection
7. Display mode: choose transmissive, transfletive or reflective(no backlight).
8. Viewing angle: 6:00, 12:00, 3:00, 9:00 to choose
The segment LCD screen has the advantages of fast response, low power consumption and low cost. It is precisely because of these advantages that many users will choose the segment LCD screen, the segment LCD screen is required to make the tooling mold customization, so what parameters need to be determined before the tooling is made, the following is introduced by the segment code LCD screen manufacturer:
Parameters that need to be confirmed for customized segment LCD:
1. Size: The size of the window (viewing area) is the most important
2. Backlight: whether you need a backlight and a backlight method (if you use it at night, it is recommended to install a
backlight; Reference the bottom backlight or the side backlight
3. The producer of the drive: do it yourself or the manufacturer.
4. Working voltage
5. Provide display renderings, drawings or required colors (generally white on blue, yellow-green and low-black and white on black, etc.)
6. Connection: metal pin connection or zebra connection
7. Display mode: choose transmissive, transfletive or reflective(no backlight).
8. Viewing angle: 6:00, 12:00, 3:00, 9:00 to choose
HT1621B is a digital LCD display driver, which can be used to display data, time, temperature, voltage, and current values.
Add the .c and .h files to the program project, and then, compile, according to the error prompt operation can be used automatically, Users do not need to modify the driver, and can directly call the initialization function to display the numbers using the display function.
Add the .c and .h files to the program project, and then, compile, according to the error prompt operation can be used automatically, Users do not need to modify the driver, and can directly call the initialization function to display the numbers using the display function.
Characteristics of the HT1621-segment LCD screen
* Operating voltage 2.4 --5.2V * Embedded 256KHz RC oscillator* External 32KHz chip or 256KHz frequency source input can be connected
* Selectable 1/2bais or 1/3bais bias and duty cycle of 1/2duty, 1/3duty, 1/4duty
* On-chip time-base frequency source
* The buzzer can be selected with two frequencies
* Built-in time base generator and watchdog timer WDT
* Timebase or watchdog timer overflow output
* Eight time-base/watchdog timer clock sources
* One 32seg X 4com LCD driver with embedded 32X 4-bit display RAM memory
* Four-wire serial interface /CS, DATA, WR, RD, generally not used by RD
* The on-chip LCD drive frequency is not adjustable at 64HZ
* Software configuration features: data mode and command mode two commands
* VLCD pins are provided for adjusting the LCD operating voltage (contrast adjustment)
The RAM of HT1621 corresponds to the logical table in the figure above. This is a good understand,
HT1621 corresponds to 32 addresses, and each address corresponds to 4 COM data
For example, if a 0 address is written to 0X08 T1 of SGE0 is lit
Write 0X01 corresponds to the 1F light of SGE0
Write 0X02 1G brightness corresponding to SGE0
Write 0X07 1E, 1G, and 1F of SGE0 are lit together
Write 0X0F All 1E, 1G, 1F, and T1 of SGE0 are bright
HT1621 can be written consecutively, and it is best to write two addresses at a time, so that it is easy to make a table table, and it is easy to write. For example, the first two addresses are written 0XF7 corresponding to SGE0, SEG1, 1E, 1G, 1F, 1D, 1C, 1B, and 1A are all lit, so that a full "8" character is displayed.
In order to make the LCD display, these instructions must be written in the initialization of the IC.
First, let's understand what instructions are and what data is
1 0 0 C8 C7 C6 C5 C4 C3 C2 C1 C0
The first three digits of 100 are the flag bits of the instruction, and the last 9 bits are the instruction values
1 0 1 C7 C6 C5 C4 C3 C2 C1 C0
The first three digits 101 are the flag bits of the data, and the last 8 bits are the data. That is, seeing the first three digits of 100 represents the instruction, and seeing the first three digits of 101 represents the data.
HT1621 corresponds to 32 addresses, and each address corresponds to 4 COM data
For example, if a 0 address is written to 0X08 T1 of SGE0 is lit
Write 0X01 corresponds to the 1F light of SGE0
Write 0X02 1G brightness corresponding to SGE0
Write 0X07 1E, 1G, and 1F of SGE0 are lit together
Write 0X0F All 1E, 1G, 1F, and T1 of SGE0 are bright
HT1621 can be written consecutively, and it is best to write two addresses at a time, so that it is easy to make a table table, and it is easy to write. For example, the first two addresses are written 0XF7 corresponding to SGE0, SEG1, 1E, 1G, 1F, 1D, 1C, 1B, and 1A are all lit, so that a full "8" character is displayed.
In order to make the LCD display, these instructions must be written in the initialization of the IC.
First, let's understand what instructions are and what data is
1 0 0 C8 C7 C6 C5 C4 C3 C2 C1 C0
The first three digits of 100 are the flag bits of the instruction, and the last 9 bits are the instruction values
1 0 1 C7 C6 C5 C4 C3 C2 C1 C0
The first three digits 101 are the flag bits of the data, and the last 8 bits are the data. That is, seeing the first three digits of 100 represents the instruction, and seeing the first three digits of 101 represents the data.
item | value |
Display Size | 2-14 inch |
Place of Origin | China |
Model Number | R09911 |
Brand Name | SAEF |
Type | TN |
Controller | HT1621 |
Display & LCD Type | Positive |
Viewing direction | 6 0' Clock |
Backlight Type | White LED |
mother Glass Dimension | 370*470 mm |
Application | Industrial LCD |
Voltage | 3-5V |
Warranty | 1 Year |
Certification | ISO9001 & ISO14001 |
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Company Profile
Workshop
Company Introduction
Founded in 2007, ShenZhen SAEF Technology Co., Ltd is committed to manufacturing and developing high-quality products for industrial LCD display, including TFT LCD, OLED, monochrome TN/STN/FSTN LCM display modules and system integration solutions. Saef Technology has become a leading enterprise in the field of small and medium size displays, and its continuous innovation has enable it to obtain a number of invention patents in the display field. With more than 16 years of experience, providing competitive products and services through stable product quality and professional pre-sales and after-sales service, SAEF technology has won the recognition of many international big brand companies and established long-term and stable cooperation with them.
Saef Technology is an ISO9001 and environmental ISO14001 certified manufacturer. We provide 1 to 10 years warranty for all thecompany's products. We are not only a display manufacturer but also a solution partner for our customers.
As a leading manufacturer in the display module market, Saef Technology will continue to focus on the research and development of new technologies such as TFT, OLED display, embedded systems integration solutions, and we will continue to provide customers display products with high cost performance.
Founded in 2007, ShenZhen SAEF Technology Co., Ltd is committed to manufacturing and developing high-quality products for industrial LCD display, including TFT LCD, OLED, monochrome TN/STN/FSTN LCM display modules and system integration solutions. Saef Technology has become a leading enterprise in the field of small and medium size displays, and its continuous innovation has enable it to obtain a number of invention patents in the display field. With more than 16 years of experience, providing competitive products and services through stable product quality and professional pre-sales and after-sales service, SAEF technology has won the recognition of many international big brand companies and established long-term and stable cooperation with them.
Saef Technology is an ISO9001 and environmental ISO14001 certified manufacturer. We provide 1 to 10 years warranty for all thecompany's products. We are not only a display manufacturer but also a solution partner for our customers.
As a leading manufacturer in the display module market, Saef Technology will continue to focus on the research and development of new technologies such as TFT, OLED display, embedded systems integration solutions, and we will continue to provide customers display products with high cost performance.
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pls contact SAEF's Sales ck@saef.com.cn for more details.
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