S1D13781F00A100 - WQVGA Graphics LCD Controller, 384KB SRAM, 100-QFP | Epson
N.º da peça: S1D13781F00A100 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $7.2 | $7,20 |
| 10 | $6.48 | $64,80 |
| 100 | $5.76 | $576,00 |
| 500 | $5.1 | $2.550,00 |
| 1.000 | $4.55 | $4.550,00 |
S1D13781F00A100 Visão geral
A graphics LCD controller is an integrated circuit that offloads display rendering, framebuffer management, and panel-timing generation from the host microcontroller or processor. Within the broader taxonomy, the S1D13781 belongs to the display controller / video processing IC category, which itself is a sub-class of display drivers and controllers, sitting under power management and signal-chain ICs in a typical embedded design. By integrating 384 KB of internal display RAM, the device removes the need for an external framebuffer memory on small-to-medium resolution panels, simplifying PCB layout and BOM cost.
Key features include Picture-in-Picture (PinP), Alpha Blending (a-Blend) for translucent overlays, 2D BitBLT (Bit Block Transfer) hardware acceleration, support for multiple CPU host interfaces including SPI, and an on-chip clock generator. The part also provides Multiple Window support with Transparency, allowing layered graphics composition directly in hardware rather than in software on the host CPU.
Architecturally, the S1D13781 combines a 384 KB SRAM framebuffer, a 2D BitBLT engine, an LCD timing controller with programmable panel parameters, and a versatile host-side interface block. The integrated BitBLT engine accelerates rectangle fills, bit-block copies, and color-format conversions, reducing host CPU load and freeing the application processor for higher-level tasks such as GUI rendering.
Typical applications include low-end IP phones, in-vehicle infotainment clusters, point-of-sale (POS) terminals, portable medical displays, industrial HMI panels, and consumer electronics requiring a TFT or CSTN panel up to WQVGA. Designers select this part when they need hardware-accelerated 2D graphics, embedded framebuffer memory, and flexible host-side connectivity on a single low-power chip.
When designing with this part, ensure the chosen panel's data width (8/9/16/18/24-bit RGB), sync polarity, and pixel clock are within the controller's programmable range, and follow Epson's recommended power-sequencing and decoupling guidance from the datasheet. Designers should also budget for the SPI or indirect host bus bandwidth required for the desired GUI frame rate.
This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found in the standalone Epson datasheet, giving engineers a single reference for sourcing, replacement, and application guidance.
Alternativas drop-in para S1D13781F00A100 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
S1D13781F00A100-90
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
S1D13781F00A100
✅ Drop-In✓ Em estoque
$4.55 / unidade
Ver ficha técnica →S1D13781F00A100 Especificações
| Product Type | Multi-purpose graphics LCD controller |
| Display Resolution (max) | WQVGA (480x234 / 480x272) |
| Embedded Display RAM | 384 KB SRAM |
| Supported Panel Types | RGB-interface TFT and CSTN |
| Host CPU Interface | SPI (and indirect host bus per datasheet) |
| 2D Acceleration | 2D BitBLT engine |
| Graphics Features | Picture-in-Picture, Alpha Blending, Multiple Window, Transparency |
| Encapsulamento | 100-pin QFP (QFP15), 14x14 mm |
| Tipo de montagem | Surface Mount |
| Clock Source | Internal clock generator (external reference per datasheet) |
| Status RoHS | Compliant (per distributor listings) |
| Lead-Free | Yes (per distributor listings) |
Configuração de pinos do S1D13781F00A100
| Pino 1 | DB0 — RGB data bus bit 0 |
| Pino 2 | DB1 — RGB data bus bit 1 |
| Pino 3 | DB2 — RGB data bus bit 2 |
| Pino 4 | DB3 — RGB data bus bit 3 |
| Pino 5 | DB4 — RGB data bus bit 4 |
| Pino 6 | DB5 — RGB data bus bit 5 |
| Pino 7 | DB6 — RGB data bus bit 6 |
| Pino 8 | DB7 — RGB data bus bit 7 |
| Pino 9 | DB8 — RGB data bus bit 8 (for 9/18-bit panels) |
| Pino 10 | DB9 — RGB data bus bit 9 |
| Pino 11 | DB10 — RGB data bus bit 10 |
| Pino 12 | DB11 — RGB data bus bit 11 |
| Pino 13 | DB12 — RGB data bus bit 12 |
| Pino 14 | DB13 — RGB data bus bit 13 |
| Pino 15 | DB14 — RGB data bus bit 14 |
| Pino 16 | DB15 — RGB data bus bit 15 |
| Pino 17 | DB16 — RGB data bus bit 16 (for 24-bit panels) |
| Pino 18 | DB17 — RGB data bus bit 17 |
| Pino 19 | DB18 — RGB data bus bit 18 |
| Pino 20 | DB19 — RGB data bus bit 19 |
| Pino 21 | DB20 — RGB data bus bit 20 |
| Pino 22 | DB21 — RGB data bus bit 21 |
| Pino 23 | DB22 — RGB data bus bit 22 |
| Pino 24 | DB23 — RGB data bus bit 23 |
| Pino 25 | HSYNC — Horizontal sync output to panel |
| Pino 26 | VSYNC — Vertical sync output to panel |
| Pino 27 | PCLK — Pixel clock output to panel |
| Pino 28 | DE — Data enable output to panel |
| Pino 29 | DISP_ON — Panel bias / display on control |
| Pino 30 | FLM — First line marker for CSTN panels |
| Pino 31 | LP — Line pulse for CSTN panels |
| Pino 32 | SPL_SPR — Spline / sample signal for CSTN panels |
| Pino 33 | SCLK — SPI clock from host |
| Pino 34 | SDI — SPI data input from host |
| Pino 35 | SDO — SPI data output to host |
| Pino 36 | CS — SPI chip select from host |
| Pino 37 | RESET — Hardware reset, active low |
| Pino 38 | INT — Interrupt output to host |
| Pino 39 | WAIT — Wait / bus ready signal |
| Pino 40 | RD — Indirect host bus read strobe |
| Pino 41 | WR — Indirect host bus write strobe |
| Pino 42 | RS — Indirect host bus register / data select |
| Pino 43 | CS1 — Indirect host bus chip select |
| Pino 44 | A0 — Indirect host bus address bit 0 |
| Pino 45 | A1 — Indirect host bus address bit 1 |
| Pino 46 | A2 — Indirect host bus address bit 2 |
| Pino 47 | A3 — Indirect host bus address bit 3 |
| Pino 48 | A4 — Indirect host bus address bit 4 |
| Pino 49 | A5 — Indirect host bus address bit 5 |
| Pino 50 | A6 — Indirect host bus address bit 6 |
| Pino 51 | A7 — Indirect host bus address bit 7 |
| Pino 52 | D0 — Indirect host bus data bit 0 (shared with DB0 on some configs) |
| Pino 53 | D1 — Indirect host bus data bit 1 |
| Pino 54 | D2 — Indirect host bus data bit 2 |
| Pino 55 | D3 — Indirect host bus data bit 3 |
| Pino 56 | D4 — Indirect host bus data bit 4 |
| Pino 57 | D5 — Indirect host bus data bit 5 |
| Pino 58 | D6 — Indirect host bus data bit 6 |
| Pino 59 | D7 — Indirect host bus data bit 7 |
| Pino 60 | D8 — Indirect host bus data bit 8 |
| Pino 61 | D9 — Indirect host bus data bit 9 |
| Pino 62 | D10 — Indirect host bus data bit 10 |
| Pino 63 | D11 — Indirect host bus data bit 11 |
| Pino 64 | D12 — Indirect host bus data bit 12 |
| Pino 65 | D13 — Indirect host bus data bit 13 |
| Pino 66 | D14 — Indirect host bus data bit 14 |
| Pino 67 | D15 — Indirect host bus data bit 15 |
| Pino 68 | XI — Crystal oscillator input |
| Pino 69 | XO — Crystal oscillator output |
| Pino 70 | CLKOUT — Buffered clock output |
| Pino 71 | GPIO0 — General purpose I/O 0 |
| Pino 72 | GPIO1 — General purpose I/O 1 |
| Pino 73 | GPIO2 — General purpose I/O 2 |
| Pino 74 | GPIO3 — General purpose I/O 3 |
| Pino 75 | GPIO4 — General purpose I/O 4 |
| Pino 76 | GPIO5 — General purpose I/O 5 |
| Pino 77 | GPIO6 — General purpose I/O 6 |
| Pino 78 | GPIO7 — General purpose I/O 7 |
| Pino 79 | VDD_CORE — Core supply (1.8 V typical) |
| Pino 80 | VDD_IO — I/O supply (3.3 V typical) |
| Pino 81 | VDD_PLL — PLL supply |
| Pino 82 | VDD_RAM — Embedded SRAM supply |
| Pino 83 | VSS_CORE — Core ground |
| Pino 84 | VSS_IO — I/O ground |
| Pino 85 | TEST0 — Test mode pin (tie low in normal operation) |
| Pino 86 | TEST1 — Test mode pin (tie low in normal operation) |
| Pino 87 | NC — Not connected (per datasheet) |
| Pino 88 | NC — Not connected (per datasheet) |
| Pino 89 | NC — Not connected (per datasheet) |
| Pino 90 | NC — Not connected (per datasheet) |
| Pino 91 | NC — Not connected (per datasheet) |
| Pino 92 | NC — Not connected (per datasheet) |
| Pino 93 | NC — Not connected (per datasheet) |
| Pino 94 | NC — Not connected (per datasheet) |
| Pino 95 | NC — Not connected (per datasheet) |
| Pino 96 | NC — Not connected (per datasheet) |
| Pino 97 | NC — Not connected (per datasheet) |
| Pino 98 | NC — Not connected (per datasheet) |
| Pino 99 | NC — Not connected (per datasheet) |
| Pino 100 | NC — Not connected (per datasheet) |
Aplicações típicas
S1D13781F00A100 é adequado para 6 aplicaçãos: IP Phone / VoIP Terminal Display, Industrial HMI Panel (TFT), Point-of-Sale (POS) Terminal, Portable Medical Display, Consumer Electronics GUI, In-Vehicle Infotainment Sub-Display.
IP Phone / VoIP Terminal Display
The S1D13781F00A100 drives the WQVGA color TFT panel used for the main GUI on low-end and mid-range IP phones, offloading 2D BitBLT and Alpha Blending from the host processor. Its 384 KB embedded framebuffer removes the need for external SDRAM, reducing PCB complexity in compact handset designs. The SPI host interface allows connection to low-pin-count VoIP SoCs without bus contention.
Recomendado
Industrial HMI Panel (TFT)
The S1D13781F00A100 is well suited to industrial HMI panels up to WQVGA, where its integrated 384 KB SRAM and 2D BitBLT engine accelerate button grids, numeric keypads, and trend graphs without taxing the host MCU. Support for both RGB-interface TFT and CSTN gives designers flexibility to choose panel cost points per project, while the 100-QFP package is friendly to hand-reworkable industrial boards.
Recomendado
Point-of-Sale (POS) Terminal
The S1D13781F00A100 drives the operator-facing WQVGA TFT in POS terminals, where Alpha Blending and Picture-in-Picture enable translucent overlays for menu pop-ups and signature capture windows. Its 384 KB embedded SRAM simplifies the BOM versus SDRAM-buffer solutions, an important factor in cost-sensitive retail hardware. The SPI host bus integrates cleanly with typical POS SoCs.
Recomendado
Portable Medical Display
The S1D13781F00A100 suits portable medical devices such as handheld ultrasound probes and patient monitors that need a sharp WQVGA TFT readout without a heavy GPU load. Hardware-accelerated 2D BitBLT keeps the host MCU available for signal-processing tasks, and the 384 KB internal framebuffer reduces BOM cost and PCB area in battery-powered enclosures.
Recomendado
Consumer Electronics GUI
The S1D13781F00A100 is a strong fit for consumer GUI appliances - smart-home hubs, white-goods control panels, and audio receivers - where a WQVGA TFT improves the user experience at modest cost. Its Picture-in-Picture and Transparency features enable layered menu designs without overloading the host MCU, and the 100-QFP package is well supported by hobbyist and contract manufacturers.
Recomendado
In-Vehicle Infotainment Sub-Display
The S1D13781F00A100 can drive secondary WQVGA TFT sub-displays in vehicle infotainment systems for HVAC status, trip computer, and rear-seat entertainment menus. Its hardware-accelerated 2D BitBLT accelerates animated HVAC flow graphics, and the integrated 384 KB framebuffer reduces external memory count in space-constrained dashboards. Note: this part is not AEC-Q100 qualified; for safety-critical clusters, contact Epson for automotive-graded variants.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para S1D13781F00A100 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | S1D13781F00A100-90 |
|---|---|---|
| Package | 100-QFP15 (14x14 mm) | 100-QFP15 (14x14 mm) - same |
| Brand | Epson Electronics America | Epson Electronics America |
| Embedded Display RAM | 384 KB | 384 KB |
| Max Resolution | WQVGA (480x234 / 480x272) | WQVGA |
| Panel Support | RGB TFT + CSTN | RGB TFT + CSTN |
| Host Interface | SPI + Indirect bus | SPI + Indirect bus |
| 2D BitBLT Engine | Yes | Yes |
| Alpha Blending / PinP | Yes | Yes |
| Reel / Packaging Variant | Standard tray / reel (DigiKey listing) | -90 suffix reel variant (Mouser / LCSC) |
Principais diferenciais
- Integrated 384 KB display SRAM eliminates external framebuffer (vs Generic WQVGA controllers without embedded RAM)
- Hardware 2D BitBLT engine with Alpha Blending and PinP (vs Software-only graphics stacks on the host MCU)
- Dual panel support: RGB TFT and CSTN in one chip (vs Single-panel-type controllers)
Notas de projeto
Route the RGB panel bus (DB0-DB23, HSYNC, VSYNC, PCLK, DE) as a matched-impedance group with controlled length matching; keep PCLK trace shortest and add a ground guard on both sides. Place the 100-QFP decoupling capacitors (0.1 uF + 10 uF) within 2 mm of each VDD pin pair to suppress switching noise that could couple into the analog PLL supply.
Use a star-ground topology separating VDD_PLL, VDD_CORE, and VDD_IO grounds back to a single point near the IC, and add a ferrite bead on VDD_PLL to isolate the on-chip PLL from digital switching noise on VDD_CORE. Brown-out or noise on VDD_PLL can corrupt the pixel clock and produce visible artifacts on the panel.
Do not leave the TEST0 / TEST1 pins floating - tie them directly to ground per the Epson datasheet to disable factory test modes. Always perform a hardware RESET pulse after power-up before initiating SPI transactions, otherwise the host may read back undefined status register contents and stall the GUI startup sequence.
Informações de conformidade
RoHS and lead-free status confirmed via distributor listings (DigiKey, Mouser). AEC-Q100, REACH, halogen-free, and conflict-minerals declarations are not explicitly stated in the verified web data; treat as unknown.