S1D13781F00A100 - WQVGA Graphics LCD Controller, 384KB SRAM, 100-QFP | Epson
Артикул: S1D13781F00A100 ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 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 Обзор
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.
Аналоги без доработки для S1D13781F00A100 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
S1D13781F00A100-90
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
S1D13781F00A100
✅ Прямая замена✓ В наличии
$4.55 / шт.
Открыть даташит →S1D13781F00A100 Характеристики
| 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 |
| Корпус | 100-pin QFP (QFP15), 14x14 mm |
| Тип монтажа | Surface Mount |
| Clock Source | Internal clock generator (external reference per datasheet) |
| Статус RoHS | Compliant (per distributor listings) |
| Lead-Free | Yes (per distributor listings) |
Конфигурация выводов S1D13781F00A100
| Контакт 1 | DB0 — RGB data bus bit 0 |
| Контакт 2 | DB1 — RGB data bus bit 1 |
| Контакт 3 | DB2 — RGB data bus bit 2 |
| Контакт 4 | DB3 — RGB data bus bit 3 |
| Контакт 5 | DB4 — RGB data bus bit 4 |
| Контакт 6 | DB5 — RGB data bus bit 5 |
| Контакт 7 | DB6 — RGB data bus bit 6 |
| Контакт 8 | DB7 — RGB data bus bit 7 |
| Контакт 9 | DB8 — RGB data bus bit 8 (for 9/18-bit panels) |
| Контакт 10 | DB9 — RGB data bus bit 9 |
| Контакт 11 | DB10 — RGB data bus bit 10 |
| Контакт 12 | DB11 — RGB data bus bit 11 |
| Контакт 13 | DB12 — RGB data bus bit 12 |
| Контакт 14 | DB13 — RGB data bus bit 13 |
| Контакт 15 | DB14 — RGB data bus bit 14 |
| Контакт 16 | DB15 — RGB data bus bit 15 |
| Контакт 17 | DB16 — RGB data bus bit 16 (for 24-bit panels) |
| Контакт 18 | DB17 — RGB data bus bit 17 |
| Контакт 19 | DB18 — RGB data bus bit 18 |
| Контакт 20 | DB19 — RGB data bus bit 19 |
| Контакт 21 | DB20 — RGB data bus bit 20 |
| Контакт 22 | DB21 — RGB data bus bit 21 |
| Контакт 23 | DB22 — RGB data bus bit 22 |
| Контакт 24 | DB23 — RGB data bus bit 23 |
| Контакт 25 | HSYNC — Horizontal sync output to panel |
| Контакт 26 | VSYNC — Vertical sync output to panel |
| Контакт 27 | PCLK — Pixel clock output to panel |
| Контакт 28 | DE — Data enable output to panel |
| Контакт 29 | DISP_ON — Panel bias / display on control |
| Контакт 30 | FLM — First line marker for CSTN panels |
| Контакт 31 | LP — Line pulse for CSTN panels |
| Контакт 32 | SPL_SPR — Spline / sample signal for CSTN panels |
| Контакт 33 | SCLK — SPI clock from host |
| Контакт 34 | SDI — SPI data input from host |
| Контакт 35 | SDO — SPI data output to host |
| Контакт 36 | CS — SPI chip select from host |
| Контакт 37 | RESET — Hardware reset, active low |
| Контакт 38 | INT — Interrupt output to host |
| Контакт 39 | WAIT — Wait / bus ready signal |
| Контакт 40 | RD — Indirect host bus read strobe |
| Контакт 41 | WR — Indirect host bus write strobe |
| Контакт 42 | RS — Indirect host bus register / data select |
| Контакт 43 | CS1 — Indirect host bus chip select |
| Контакт 44 | A0 — Indirect host bus address bit 0 |
| Контакт 45 | A1 — Indirect host bus address bit 1 |
| Контакт 46 | A2 — Indirect host bus address bit 2 |
| Контакт 47 | A3 — Indirect host bus address bit 3 |
| Контакт 48 | A4 — Indirect host bus address bit 4 |
| Контакт 49 | A5 — Indirect host bus address bit 5 |
| Контакт 50 | A6 — Indirect host bus address bit 6 |
| Контакт 51 | A7 — Indirect host bus address bit 7 |
| Контакт 52 | D0 — Indirect host bus data bit 0 (shared with DB0 on some configs) |
| Контакт 53 | D1 — Indirect host bus data bit 1 |
| Контакт 54 | D2 — Indirect host bus data bit 2 |
| Контакт 55 | D3 — Indirect host bus data bit 3 |
| Контакт 56 | D4 — Indirect host bus data bit 4 |
| Контакт 57 | D5 — Indirect host bus data bit 5 |
| Контакт 58 | D6 — Indirect host bus data bit 6 |
| Контакт 59 | D7 — Indirect host bus data bit 7 |
| Контакт 60 | D8 — Indirect host bus data bit 8 |
| Контакт 61 | D9 — Indirect host bus data bit 9 |
| Контакт 62 | D10 — Indirect host bus data bit 10 |
| Контакт 63 | D11 — Indirect host bus data bit 11 |
| Контакт 64 | D12 — Indirect host bus data bit 12 |
| Контакт 65 | D13 — Indirect host bus data bit 13 |
| Контакт 66 | D14 — Indirect host bus data bit 14 |
| Контакт 67 | D15 — Indirect host bus data bit 15 |
| Контакт 68 | XI — Crystal oscillator input |
| Контакт 69 | XO — Crystal oscillator output |
| Контакт 70 | CLKOUT — Buffered clock output |
| Контакт 71 | GPIO0 — General purpose I/O 0 |
| Контакт 72 | GPIO1 — General purpose I/O 1 |
| Контакт 73 | GPIO2 — General purpose I/O 2 |
| Контакт 74 | GPIO3 — General purpose I/O 3 |
| Контакт 75 | GPIO4 — General purpose I/O 4 |
| Контакт 76 | GPIO5 — General purpose I/O 5 |
| Контакт 77 | GPIO6 — General purpose I/O 6 |
| Контакт 78 | GPIO7 — General purpose I/O 7 |
| Контакт 79 | VDD_CORE — Core supply (1.8 V typical) |
| Контакт 80 | VDD_IO — I/O supply (3.3 V typical) |
| Контакт 81 | VDD_PLL — PLL supply |
| Контакт 82 | VDD_RAM — Embedded SRAM supply |
| Контакт 83 | VSS_CORE — Core ground |
| Контакт 84 | VSS_IO — I/O ground |
| Контакт 85 | TEST0 — Test mode pin (tie low in normal operation) |
| Контакт 86 | TEST1 — Test mode pin (tie low in normal operation) |
| Контакт 87 | NC — Not connected (per datasheet) |
| Контакт 88 | NC — Not connected (per datasheet) |
| Контакт 89 | NC — Not connected (per datasheet) |
| Контакт 90 | NC — Not connected (per datasheet) |
| Контакт 91 | NC — Not connected (per datasheet) |
| Контакт 92 | NC — Not connected (per datasheet) |
| Контакт 93 | NC — Not connected (per datasheet) |
| Контакт 94 | NC — Not connected (per datasheet) |
| Контакт 95 | NC — Not connected (per datasheet) |
| Контакт 96 | NC — Not connected (per datasheet) |
| Контакт 97 | NC — Not connected (per datasheet) |
| Контакт 98 | NC — Not connected (per datasheet) |
| Контакт 99 | NC — Not connected (per datasheet) |
| Контакт 100 | NC — Not connected (per datasheet) |
Типичное применение
S1D13781F00A100 подходит для 6 применениеs: 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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для S1D13781F00A100 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | 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) |
Ключевые отличия
- Integrated 384 KB display SRAM eliminates external framebuffer (против Generic WQVGA controllers without embedded RAM)
- Hardware 2D BitBLT engine with Alpha Blending and PinP (против Software-only graphics stacks on the host MCU)
- Dual panel support: RGB TFT and CSTN in one chip (против Single-panel-type controllers)
Заметки по проектированию
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.
Информация о соответствии
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.