Specifications
| Diagonal size | 3.5" |
|---|---|
| Manufactured by | Shenzhen PengJi Photoelectricity Co., Ltd. (direct factory) |
| Resolution | 320×240 |
| Panel type | IPS |
| Interface | RGB (parallel) |
| Pixel pitch (mm) | 0.219 * 0.219 mm |
| Touch | None |
| Brightness | 400 cd/m² (nits) |
| Viewing angle | Full viewing angle (all directions) |
| Colors | 16.7M |
| Outline (mm) | 76.84 (W) * 63.84 (H) * 3.20(T) mm |
| Active area (mm) | 70.08(W) * 52.56(H) mm |
| Backlight | 6 series LEDs |
| FPC / connector | 54-pin |
Data sources
- Specifications from the product page of the factory that builds the PJ3502B01-32H54P400 (Shenzhen PengJi Photoelectricity Co., Ltd.).
- Brightness is the standard-backlight typical value encoded in the PengJi part number (e.g. …P400 = 400 cd/m²), cross-checked against PengJi's product table and datasheets; other backlight levels can be built.
- Confirm final values against the datasheet supplied with samples.
Integration calculations
Figures below are calculated from the PJ3502B01-32H54P400’s 320×240 resolution and RGB (parallel), so you can size the host before requesting samples. Refresh rates are theoretical bus limits; real throughput is lower once command overhead and rendering time are included.
| Pixel density | 114 PPI |
|---|---|
| Native orientation | Landscape (320×240) |
| Full frame buffer | 150 KB at RGB565 · 225 KB at RGB888 |
| RGB pixel clock for 60 Hz | ≈ 5.5 MHz (incl. ~20% blanking) |
| RGB bus width | 24 data lines (16.7M colors) + PCLK, HSYNC, VSYNC, DE; can be wired as 16-bit RGB565 with the low bits tied |
At 400 cd/m² it is sized for indoor use; the backlight can be upgraded for brighter environments.
Hosts with a native RGB (parallel) peripheral
RGB LCD peripheral (16-bit RGB565) with the 150 KB frame buffer in PSRAM.
- STM32 with LTDC
F429/F7/H7 families drive 16- to 24-bit RGB panels from external SDRAM.
- Raspberry Pi (DPI)
Parallel RGB over the GPIO header via the DPI overlay.
Interface support is based on each processor’s published display peripherals, not a bench test of this module. Ask us for tested init code.
Alternatives in the catalog
Other 3.5" options
- PJT350P15H50-400P54C3.5" 320×240 · RGB (parallel) · TN · 400 nits
- PJT350P15H32-400P54N3.5" 320×240 · RGB (parallel) · TN · 400 nits
- PJ3501I01-34H54P3003.5" 320×240 · RGB (parallel) · IPS · 300 nits
- PJ3501I12-22H16P2503.5" 320×480 · SPI · TN · 250 nits
- PJ3506G01-31H30P200C3.5" 480×640 · MIPI DSI · TN · 200 nits
- PJ3501I09-34H40P200R3.5" 320×480 · MCU (8080 parallel) · TN · 200 nits
320×240 in other sizes
- PJ2501G01-25H51P3002.6" 320×240 · RGB (parallel) · TN · 300 nits
- PJ2301H10-23H37P4502.3" 320×240 · MCU (8080 parallel) · TN · 450 nits
- PJ2301T03-23H40P4002.3" 320×240 · RGB (parallel) · TN · 400 nits
- PJ2302T01-28H40P2.3" 320×240 · SPI / RGB (parallel) · IPS
- PJ2301H09-23H40P3502.3" 320×240 · RGB (parallel) · TN · 350 nits
- PJ2002G11-30H40P2002" 320×240 · RGB (parallel) · TN · 200 nits
Frequently asked questions
What is the brightness of the PJ3502B01-32H54P400?
400 cd/m² typical with the standard backlight. At 400 cd/m² it is sized for indoor use; the backlight can be upgraded for brighter environments.
What interface does the PJ3502B01-32H54P400 use?
RGB through a 54-pin FPC. Pin definition and timing are in the datasheet, which you can request on this page.
Which processors can drive the PJ3502B01-32H54P400?
ESP32-S3: RGB LCD peripheral (16-bit RGB565) with the 150 KB frame buffer in PSRAM. STM32 with LTDC: F429/F7/H7 families drive 16- to 24-bit RGB panels from external SDRAM. Raspberry Pi (DPI): Parallel RGB over the GPIO header via the DPI overlay.
What is the MOQ and lead time for the PJ3502B01-32H54P400?
Samples start from 1 pc. Production MOQ and lead time depend on quantity and any customization (FPC length, backlight, touch), and are agreed per project with our sales team. Send your annual volume and target date for a quote.
