DISPLAY MODULES
LMT32021C40 3.2-inch TFT LCD module
240 × 320 pixels · MCU/SPI · ST7789T3 · 21-pin FPC
LMT32021C40 is a 3.2-inch TFT LCD module with 240 × 320 pixels, MCU/SPI interface and ST7789T3 driver IC. Module outline: 55.04 × 77.5 mm. Download the datasheet and request a configuration-specific quotation.
LMT32021C40 specifications
| Parameter | Specification |
|---|---|
| Display diagonal | 3.2 inch (source datasheet) |
| Resolution | 240 × 320 |
| Display technology | a-Si TFT |
| Module outline | 55.04 × 77.5 mm |
| Active area | 48.6 × 64.8 mm |
| Driver IC | ST7789T3 |
| Data interface | MCU/SPI |
| Display colors | 262K color |
| Viewing direction | All viewing directions; see optical conditions |
| Backlight construction | 5 White LED |
| Operating temperature | -20 to +70 °C (datasheet rating table) |
| Storage temperature | -30 to +80 °C (datasheet rating table) |
| Connector pin count | 21 |
Values above describe the supplied datasheet revision, not every optional assembly. Missing parameters are not inferred from related products.
Integration notes for LMT32021C40
Match the documented SPI wire mode, command/data signaling, reset sequence and logic levels. Validate transfer bandwidth at the intended resolution and refresh target; interface naming alone does not establish a supported frame rate.
Reserve the 55.04 × 77.5 mm module outline separately from the 48.6 × 64.8 mm active display window. Allow clearance for the FPC bend, connector engagement and enclosure tolerances.
Power rails, logic levels and LED backlight drive are separate design checks. Do not infer a 5 V supply, HDMI input, USB input or touch controller from a matching connector or a marketing illustration.
Datasheet and technical source
Download LMT32021C40 source datasheet. Specifications on this page are transcribed from the supplied model document. Confirm the approved revision and ordered configuration before production.
Model-specific questions
What resolution and host interface does LMT32021C40 use?
The module uses 240 × 320 pixels, MCU/SPI interface and ST7789T3 driver IC. Refer to the source datasheet for electrical timing and integration details.
What dimensions should I use for enclosure design?
The module outline is 55.04 × 77.5 mm, with a 48.6 × 64.8 mm active area. Use the drawing for FPC position, thickness, tolerances and connector clearance.
What touch or controller configuration is established for this model?
The source listing explicitly mentions a touch configuration. Confirm the quoted touch panel, controller, connector and assembly; the bare-module datasheet does not mean that every option is included.
What information is needed for a quotation?
Specify LMT32021C40, the required quantity, host controller, power rails, touch requirement, enclosure constraints and operating environment. Price, stock, sample lead time and production lead time are confirmed in the quotation; no fixed availability is implied.
Compare related modules
All display modules · Interface selection guide · Request a quotation for LMT32021C40
Product images and engineering references





Original datasheet pages
Complete source pages, without redrawn specifications or removed annotations. Original supplier model labels are preserved. Any source discrepancies disclosed in the text specifications still require revision confirmation.
Download the complete datasheet · Select an image to open the full-size page.




