4.0inch 8 & 16 Bit Module St7796s 320X480 Resolution Parallel Interface LCD Driver Board Module Support SD Card
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Product Highlights
- Dual Interface Support: Supports both 8-bit and 16-bit parallel bus transmission for fast data transfer.
- High Resolution Display: 480x320 resolution with 16-bit RGB 65K color for clear and rich color display.
- SD Card Expansion: Integrated support for SD card function expansion with rich sample programs.
- Wide Compatibility: Direct plug-in support for ALIENTEK STM32 Mini, Elite, WarShip, Explorer, and Apollo boards.
- Customizable Options: Customized screen size, resolution, and PCB dimensions available upon request.
- Military Grade Quality: Military-grade process standards ensure long-term stable work in various environments.
- Touch Function Support: Supports resistive touch screen with SPI bus interface for interrupt detection.
- ISO Certified Quality: Controlled by ISO 9001:2008 and ISO 14001:2004 systems with 100% inspection.
Product Attributes
- Customization
- Available
- Usage
- Small-sized LCM, Parallel-Port Display
- Touch Screen Type
- Resistive
- Model NO.
- MRB3951
- Type
- Color
- Response Time
- 10ms
- Viewing Angle
- TN+FILM
- Display Technology
- TFT
- Customized
- Customized
- Screen Size
- 4.0"
- Resolution
- 480*320
- Display Type
- Tn
- Module PCB Size
- 61.98X108.80mm
- Active Area
- 55.68X83.52mm
- Brightness
- 350CD/M²
- Driver IC
- St7796s
- Interface
- 8/16bit Parallel Interface
- Specification
- Rohs
- Trademark
- ronbo
- Origin
- Shenzhen, China
- HS Code
- 901383010
- Production Capacity
- 500000
- Package Size
- 15.00cm * 10.00cm * 1.00cm
- Package Gross Weight
- 0.070kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of 4.0inch 8 & 16 Bit Module St7796s 320X480 Resolution Parallel Interface LCD Driver Board Module Support SD Card
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Product Description
4.0inch 8 & 16 BIT Module ST7796S 320x480 Resolution Parallel Interface LCD Driver Board Module Support SD Card
Product Specification:
- 4.0-inch color screen, support 16BIT RGB 65K color display, display rich colors
- 320x480 resolution for clear display
- Supports 8-bit and 16-bit parallel bus transmission with fast transfer speed
- Supports ALIENTEK STM32 Mini, Elite, WarShip, Explorer, and Apollo development boards TFTLCD for direct plug-in use
- Support for touch function
- Support SD card function expansion
- Provides a rich sample program for STM32 and C51 platforms
- Military-grade process standards, long-term stable work
- Provide underlying driver technical support
| Name | Parameter |
| Display Color | 16BIT RGB 65K color |
| SKU | MRB3951 |
| Screen Size | 4.0(inch) |
| Type | TFT |
| Driver IC | ST7796S |
| Resolution | 480*320 (Pixel) |
| Module Interface | 8bit or 16Bit parallel interface |
| Active Area | 83.52x55.68(mm) |
| Module PCB Size | 61.98x108.80 (mm) |
| Operating Temperature | -20ºC~60ºC |
| Storage Temperature | -30ºC~70ºC |
| Operating Voltage | 3.3V~5V |
| Power Consumption | TBD |
| Rough Weight(Package containing) | 68 (g) |




Hardware Description:

The red box in the above figure is the 8-bit/16-bit data bus mode switch, which is described as follows:
Solder R1 with 0Ω resistor or short circuit directly, and disconnect R2: Select 8-bit data bus mode use DB0~DB7 data pin
Interface Definition:
| Number | Pin Label | Description |
| 1 | CS | LCD reset control pin( low level enable) |
| 2 | RS | LCD register / data selection control pin(high level: register, low level: data) |
| 3 | WR | LCD write control pin |
| 4 | RD | LCD read control pin |
| 5 | RST | LCD reset control pin( low level reset) |
| 6 | DB0 | LCD data bus low 8-bit pin |
| 7 | DB1 | |
| 8 | DB2 | |
| 9 | DB3 | |
| 10 | DB4 | |
| 11 | DB5 | |
| 12 | DB6 | |
| 13 | DB7 | |
| 14 | DB8 | LCD data bus high 8-bit pin (not used in 8-bit data bus mode) |
| 15 | DB9 | |
| 16 | DB10 | |
| 17 | DB11 | |
| 18 | DB12 | |
| 19 | DB13 | |
| 20 | DB14 | |
| 21 | DB15 | |
| 22 | SDCS | SD card selection control pin (used when using the SD card expansion function, this test program is not used) |
| 23 | BL | LCD backlight control pin(High level light) |
| 24 | VDD | Module power positive pin (module has integrated voltage regulator IC, so the power supply can be connected to 5V or 3.3V) |
| 25 | VDD | |
| 26 | GND | Module power ground pin |
| 27 | GND | |
| 28 | NC | LCD backlight power positive pin (default shared onboard backlight power supply, this pin can not be connected) |
| 29 | MISO | Touch screen SPI bus data input pin |
| 30 | MOSI | Touch screen SPI bus data output pin |
| 31 | PEN | Touch screen interrupt detection pin(Low level when a touch occurs) |
| 32 | FCS | Flash chip select control pin (used when using the Flash extension function, this test program is not used) |
| 33 | T_CS | Touch screen IC chip select control pin(Low level enable) |
| 34 | CLK | Touch screen SPI bus clock control pin |
Product Size:



Relatived Products:
If you need other size Parallel-Port Display with PCB Board, please click Model No. below to review the details,
The list below is our standard offering, please check the specification to get suitable one, Moreover, we also have many more customized solution and special sizes available as options. Please contact us for more information.
| Size | Model No. | Resolution | Module PCB Size (W*H mm) |
Active Area (W*Hmm) |
Controller | Brightness (cd/m²) |
Display Type |
Interface | T/P | Remark |
| 2.4" | MRB2408 | 320*240 | 44.25x76.00 | 48.96*36.72 | ILI9341 /XPT2046 |
350 | TN | 8/16Bit parallel interface | RTP | |
| 2.8" | MRB2801 | 320*240 | 51.00x82.55 | 43.2x57.6 | ILI9341 /XPT2046 |
350 | TN | 8/16Bit parallel interface | RTP | |
| 2.8" | MRB2802 | 240*400 | 43.64x85.74 | 36.72x61.20 | R61509V | 350 | TN | 8/16Bit parallel interface | - | |
| 2.8" | MRB2811 | 320*240 | 60.00x82.55 | 43.2x57.6 | ILI9341 /GT911 |
350 | TN | 8/16Bit parallel interface | CTP | |
| 2.8" | MRB2812 | 320*240 | 60.00x82.55 | 43.2x57.6 | ST7789V /GT911 |
350 | IPS | 8/16Bit parallel interface | CTP | |
| 3.2" | MRB3205 | 320*240 | 57.60x90.73 | 48.6x64.8 | ILI9341 /XPT2046 |
350 | TN | 8/16Bit parallel interface | RTP | |
| 3.2" | MRB3211 | 320*240 | 67.60x90.73 | 48.6x64.8 | ILI9341 /GT911 |
350 | TN | 8/16Bit parallel interface | CTP | |
| 3.2" | MRB3212 | 320*240 | 67.60x90.73 | 48.6x64.8 | ST7789V /GT911 |
350 | IPS | 8/16Bit parallel interface | CTP | |
| 3.5" | MRB3501 | 320*240 | 65.9X95.0 | 52.56X70.08 | LT7381 /GT911 |
300 | TN | 16Bit parallel interface | CTP | |
| 3.5" | MRB3502 | 320*240 | 65.9X95.0 | 52.56X70.08 | LT7381 /XPT2046 |
300 | TN | 16Bit parallel interface | RTP | |
| 3.5" | MRB3503 | 480*320 | 56.34x98.25 | 48.96x73.44 | ILI9486 /XPT2046 |
350 | TN | 8/16Bit parallel interface | RTP | |
| 3.5" | MRB3511 | 480*320 | 56.41x97.60 | 48.96x73.44 | ILI9488 /GT911 |
350 | TN | 8/16Bit parallel interface | CTP | |
| 3.5" | MRB3512 | 480*320 | 56.41x97.60 | 48.96x73.44 | NT35310 /XPT2046 |
350 | TN | 16Bit parallel interface | RTP | |
| 3.5" | MRB3513 | 480*320 | 56.41x97.60 | 48.96x73.44 | NT35310 /GT911 |
350 | TN | 16Bit parallel interface | CTP | |
| 3.5" | MRB3514 | 480*320 | 56.41x97.60 | 48.96x73.44 | ILI9488 /XPT2046 |
350 | TN | 16Bit parallel interface | RTP | |
| 3.5" | MRB3515 | 480*320 | 56.41x97.60 | 48.96x73.44 | ILI9488 /GT911 |
350 | TN | 16Bit parallel interface | CTP | |
| 4.0" | MRB3951 | 480*320 | 61.98x108.80 | 55.68x83.52 | ST7796S /XPT2046 |
350 | TN | 8/16Bit parallel interface | RTP | |
| 4.0" | MRB3952 | 480*320 | 61.98x108.80 | 55.68x83.52 | ILI9486 /XPT2046 |
350 | TN | 8/16Bit parallel interface | RTP | |
| 4.0" | MRB3953 | 480*320 | 60.88*108.0 | 55.98*83.82 | ST7796U /GT911 |
300 | TN | 8/16Bit parallel interface | CTP | |
| 4.0" | MRB3954 | 480*320 | 60.88*108.0 | 55.98*83.82 | ILI9488 /GT911 |
300 | TN | 8/16Bit parallel interface | CTP | |
| 4.0" | MRB3973 | 800*480 | 59.18x111.51 | 51.84x86.40 | NT35510 /XPT2046 |
350 | TN | 16Bit parallel interface | RTP | |
| 4.3" | MRB4301 | 800*480 | 62.25*117.5 | 56.16*93.6 | NT35510 /GT911 |
350 | IPS | 16Bit parallel interface | CTP | |
| 4.3" | MRB4963 | 480*272 | 74.0*120.0 | 53.86*95.04 | SSD1963 /XPT2046 |
350 | TN | 16Bit parallel interface | RTP | |
| 4.3" | MRB4965 | 800*480 | 74.0*120.0 | 53.86*95.04 | SSD1963 /XPT2046 |
350 | IPS | 16Bit parallel interface | RTP | |
| 4.3" | MRB4311 | 800*480 | 105.41x86.41 | 95.04x53.86 | SSD1963 /FT5426 |
350 | IPS | 8/16Bit parallel interface | CTP | |
| 4.3" | MRB4966 | 800*480 | 74.0*120.0 | 53.86*95.04 | SSD1963 /GT911 |
350 | IPS | 16Bit parallel interface | CTP | |
| 5.0" | MRB5963 | 800*480 | 84.0*133.5 | 64.8*108.0 | SSD1963 /XPT2046 |
350 | TN | 16Bit parallel interface | RTP | |
| 5.0" | MRB5966 | 800*480 | 84.0*133.5 | 64.8*108.0 | SSD1963 /GT911 |
350 | IPS | 16Bit parallel interface | CTP | |
| 5.0" | MRB5111 | 800*480 | 121.11x95.24 | 108.00x64.80 | SSD1963 /FT5426 |
350 | IPS | 8/16Bit parallel interface | CTP | |
| 7.0" | MRB7963 | 800*480 | 108.0*181.0 | 85.92*154.08 | SSD1963 /XPT2046 |
350 | TN | 16Bit parallel interface | RTP | |
| 7.0" | MRB7966 | 800*480 | 108.0*181.0 | 85.92*154.08 | SSD1963 /GT911 |
350 | TN | 16Bit parallel interface | CTP | |
| 7.0" | MRB7111 | 800*480 | 164.90x124.27 | 85.92*154.08 | SSD1963 /FT5426 |
350 | TN | 8/16Bit parallel interface | CTP |
Packaging & Shipping & Delivery
Packaging Details:
All the products are packed in right way to keep it safe.
For small sizes of products we use tray + carton,
For bigger sizes we use foam slot + carton.
we also design packages according to customers' requirements
Shipping Details:
For small quantity orders: we ship by UPS Air-Express, or DHL/FEDEX/TNT/ EMS Express service, it is safe and fast.
For large quantity orders: we ship by buyer's cargo agent in China,
we can also ship by air or sea transportation by our cargo agent.
Delivery Details:
Ready-made Sample: within 1 week
Custom Sample: 1~2 weeks
Mass production: 3-4 weeks
Our Company:
Ronbo Electronics Ltd., is one of the leading display suppliers. Its production line includes small to medium size LCD, TFT and IPS modules for a variety of industrial and consumable application. We are one of the leading display providers of character LCD modules, graphic LCD modules, TFT & IPS modules and Touch Screen. High-quality LCD modules are made based on our experienced engineering knowledge, well-managed supply chain.
Moreover, our company has passed ISO 9001 certifications as well as RoHS.
By adopting computerized management system, automatic manufacturing process and advanced technology, we can able to continuously supporting our worldwide customers with qualified and reliable products.
Our website: http://ronboelectronics.en.made-in-china.com
Our Advantage:
☆Responsibility:
We take all responsibilities for any mistakes what we do make. We will remake all wrong pieces and ship out shortly.
☆Fast response:
Quickly realize your customized ideas, and have a sample ready in short time
☆Free Design:
We offer free design service depending on your ideas, logos, colors, etc.
Good knowledge of the displays market to put together solutions that add value and provide a unique proposition for the client
☆Efficient Communication:
Our sales are all with high English language skills, they are working so hard and efficient.
☆High Quality:
All materials we purchase for making any orders are high quality and RoHS compliant, and Control quality with ISO 9001:2008, ISO 14001:2004 management system.
Advance inspection instrument and equipment to ensure 100% inspection for each and every piece before shipment
☆Quick Delivery (Production Time):
Ready-made Sample: within 1 week
Custom Sample: 1~2 weeks
Mass production: 3-4 weeks
Product Line:
☆ Clean Room class [email protected], Pressurec 0.8kgf
☆ Antistatic floor, resistance : 1x10 ohm to 1x10 ohm
☆ COG production lines: 4 .
☆ Backlight production lines: 2 .
☆ Existing machine capacity will be 1KK per month.
Quality Policy:
All materials we purchase for making any orders are high quality and RoHS compliant, and Control quality with ISO 9001:2008 management system.
Advance inspection instrument and equipment to ensure 100% inspection for each and every piece before shipment
Certification:
FAQ:
Q: How can I get some samples?
A: We don't provide free one, but we can have a discount when you reorder according to different quantity, and you will win at least 3% discount.
Q: What is the MOQ?
A: It depends on different products. Please keep in touch with sales to confirm the MOQ.
Q: How do you control quality?
A: All materials we purchase for making any orders are high quality and RoHS compliant, and Control quality with ISO 9001:2008, ISO 14001:2004 management system.
Advance inspection instrument and equipment to ensure 100% inspection for each and every piece before shipment0*480 CapacitouScreenCDsplay
Q: Does your product have any warranty?
A: Yes, we offer 12 months warranty for our products.
Q: What's your payment method?
A: Payment: T/T, Paypal, Western Union, etc.
For samples: payment in advance.
For mass production: 30% deposit and 70% balance before shipment.
Q: Do you offer custom solution?
A: Yes, we can offer custom solution if standard products couldn't meet buyer' requirements.
About the Supplier
Company Profile
Ronbo Electronics Ltd., located at Shen Zhen, China, is one of the leading display suppliers. Its production line includes small to medium size LCD, TFT, and IPS modules for a variety of industrial and consumable application. We are one of the leading display providers of character LCD modules, graphic LCD modules, TFT & IPS modules. High-quality LCD modules are made based on our experienced engineering knowledge, well-managed supply chain.
As a professional Mono LCD, TFT and IPS display manufacturer & supplier, we are specializing in Chip-On-Board (COB), Surface Mount Technology (SMT), Chip-On-Glass (COG), Tape-Automated-Bonding (TAB) display technologies.
Moreover, our company has passed ISO 9001, ISO14001 certifications as well as RoHS.
By adopting computerized management system, automatic manufacturing process and advanced technology, we can able to continuously supporting our worldwide customers with qualified and reliable products.
Professional service and perfect quality are the two keys of our fundamental advantage in business operation. Welcome global friends to visit our website and keep reliable and long-term cooperation on the basis of mutual benefit and interest.
Our website: http://ronboelectronics.en.made-in-china.com
Popular Products:
1. Our standard TFT LCD Display size, and experienced team for Your Custom Solution:
1.44", 1.54", 1.77", 2", 2.2", 2.4", 2.7", 2.8'', 3.0", 3.2", 3.5", 4", 4.3", 4.5", 5", 5.5", 5.6", 5.7", 7", 8", 9", 10.1", 10.4"
2. Our standard IPS LCD Display size, and experienced team for Your Custom Solution:
1.54", 2.4", 2.8'', 3.0", 3.5", 4", 4.3", 4.5", 5", 5.5", 7", 8", 9", 10.1", 10.4"
3. Standard touch screen LCD display for all kinds of TFT and IPS LCD display with Resistive and Capacitive touch panel, and can make customized touch screen optical bonding with LCD display
4. High Brightness TFT Display with from 800 CD/m² To1000CD/m² With good performance under sunlight readable (outdoor LCD display).
5. All common TFT Display will O film can be super wide view angle, close to IPS panel & same as MVA glass.
6. Standard TFT and IPS LCD displays option Resistive and Capacitive Touch Panel are applied for Cell phone, Tablet PC, digital and industrial products and so on.
7. Customized and Standard mono Character LCD Module, COB and COG graphic LCD Module with various colors including yellow/green, white, blue, and with various backlight and LCD type combinations.
About Our Factory & Business Background
- Address
- Floor5, Pukyo Semiconductor Industry Part2, Sha Pu Wei, Songgang, Baoan, Shenzhen, Guangdong, China
- Terms of Payment
- LC, T/T, D/P, PayPal, Western Union
- International Commercial Terms(Incoterms)
- EXW
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- shenzhen port
Our Production Capability & Technical Expertise
- Main Products
- LCD Display, LCD Module, LCD, TFT LCD, Graphic LCD, Character LCD, LCD Screen, LCD Panel, Touch Screen, OLED Display
Our Industry Experience & Global Business Record
- Export Year
- 2016-06-07
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- How can I get some samples?
- We don't provide free one, but we can have a discount when you reorder according to different quantity, and you will win at least 3% discount.
- What is the MOQ?
- It depends on different products. Please keep in touch with sales to confirm the MOQ.
- How do you control quality?
- All materials we purchase for making any orders are high quality and RoHS compliant, and Control quality with ISO 9001:2008, ISO 14001:2004 management system. Advance inspection instrument and equipment to ensure 100% inspection for each and every piece before shipment.
- Does your product have any warranty?
- Yes, we offer 12 months warranty for our products.
- What's your payment method?
- Payment: T/T, Paypal, Western Union, etc. For samples: payment in advance. For mass production: 30% deposit and 70% balance before shipment.
- Do you offer custom solution?
- Yes, we can offer custom solution if standard products couldn't meet buyer' requirements.
Send your message to this supplier
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