S1D13781F00A100 - WQVGA Graphics LCD Controller, 384KB SRAM, 100-QFP | Epson
MPN: S1D13781F00A100 ✓ فعالS1D13781F00A100 نمای کلی
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.
جایگزینهای drop-in برای S1D13781F00A100 — همان پکیج، سازگار پینبهپین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
S1D13781F00A100-90
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
S1D13781F00A100
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←S1D13781F00A100 مشخصات
| 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 |
| بستهبندی | 100-pin QFP (QFP15), 14x14 mm |
| نوع نصب | Surface Mount |
| Clock Source | Internal clock generator (external reference per datasheet) |
| وضعیت RoHS | Compliant (per distributor listings) |
| Lead-Free | Yes (per distributor listings) |
پیکربندی پین S1D13781F00A100
| پین 1 | DB0 — RGB data bus bit 0 |
| پین 2 | DB1 — RGB data bus bit 1 |
| پین 3 | DB2 — RGB data bus bit 2 |
| پین 4 | DB3 — RGB data bus bit 3 |
| پین 5 | DB4 — RGB data bus bit 4 |
| پین 6 | DB5 — RGB data bus bit 5 |
| پین 7 | DB6 — RGB data bus bit 6 |
| پین 8 | DB7 — RGB data bus bit 7 |
| پین 9 | DB8 — RGB data bus bit 8 (for 9/18-bit panels) |
| پین 10 | DB9 — RGB data bus bit 9 |
| پین 11 | DB10 — RGB data bus bit 10 |
| پین 12 | DB11 — RGB data bus bit 11 |
| پین 13 | DB12 — RGB data bus bit 12 |
| پین 14 | DB13 — RGB data bus bit 13 |
| پین 15 | DB14 — RGB data bus bit 14 |
| پین 16 | DB15 — RGB data bus bit 15 |
| پین 17 | DB16 — RGB data bus bit 16 (for 24-bit panels) |
| پین 18 | DB17 — RGB data bus bit 17 |
| پین 19 | DB18 — RGB data bus bit 18 |
| پین 20 | DB19 — RGB data bus bit 19 |
| پین 21 | DB20 — RGB data bus bit 20 |
| پین 22 | DB21 — RGB data bus bit 21 |
| پین 23 | DB22 — RGB data bus bit 22 |
| پین 24 | DB23 — RGB data bus bit 23 |
| پین 25 | HSYNC — Horizontal sync output to panel |
| پین 26 | VSYNC — Vertical sync output to panel |
| پین 27 | PCLK — Pixel clock output to panel |
| پین 28 | DE — Data enable output to panel |
| پین 29 | DISP_ON — Panel bias / display on control |
| پین 30 | FLM — First line marker for CSTN panels |
| پین 31 | LP — Line pulse for CSTN panels |
| پین 32 | SPL_SPR — Spline / sample signal for CSTN panels |
| پین 33 | SCLK — SPI clock from host |
| پین 34 | SDI — SPI data input from host |
| پین 35 | SDO — SPI data output to host |
| پین 36 | CS — SPI chip select from host |
| پین 37 | RESET — Hardware reset, active low |
| پین 38 | INT — Interrupt output to host |
| پین 39 | WAIT — Wait / bus ready signal |
| پین 40 | RD — Indirect host bus read strobe |
| پین 41 | WR — Indirect host bus write strobe |
| پین 42 | RS — Indirect host bus register / data select |
| پین 43 | CS1 — Indirect host bus chip select |
| پین 44 | A0 — Indirect host bus address bit 0 |
| پین 45 | A1 — Indirect host bus address bit 1 |
| پین 46 | A2 — Indirect host bus address bit 2 |
| پین 47 | A3 — Indirect host bus address bit 3 |
| پین 48 | A4 — Indirect host bus address bit 4 |
| پین 49 | A5 — Indirect host bus address bit 5 |
| پین 50 | A6 — Indirect host bus address bit 6 |
| پین 51 | A7 — Indirect host bus address bit 7 |
| پین 52 | D0 — Indirect host bus data bit 0 (shared with DB0 on some configs) |
| پین 53 | D1 — Indirect host bus data bit 1 |
| پین 54 | D2 — Indirect host bus data bit 2 |
| پین 55 | D3 — Indirect host bus data bit 3 |
| پین 56 | D4 — Indirect host bus data bit 4 |
| پین 57 | D5 — Indirect host bus data bit 5 |
| پین 58 | D6 — Indirect host bus data bit 6 |
| پین 59 | D7 — Indirect host bus data bit 7 |
| پین 60 | D8 — Indirect host bus data bit 8 |
| پین 61 | D9 — Indirect host bus data bit 9 |
| پین 62 | D10 — Indirect host bus data bit 10 |
| پین 63 | D11 — Indirect host bus data bit 11 |
| پین 64 | D12 — Indirect host bus data bit 12 |
| پین 65 | D13 — Indirect host bus data bit 13 |
| پین 66 | D14 — Indirect host bus data bit 14 |
| پین 67 | D15 — Indirect host bus data bit 15 |
| پین 68 | XI — Crystal oscillator input |
| پین 69 | XO — Crystal oscillator output |
| پین 70 | CLKOUT — Buffered clock output |
| پین 71 | GPIO0 — General purpose I/O 0 |
| پین 72 | GPIO1 — General purpose I/O 1 |
| پین 73 | GPIO2 — General purpose I/O 2 |
| پین 74 | GPIO3 — General purpose I/O 3 |
| پین 75 | GPIO4 — General purpose I/O 4 |
| پین 76 | GPIO5 — General purpose I/O 5 |
| پین 77 | GPIO6 — General purpose I/O 6 |
| پین 78 | GPIO7 — General purpose I/O 7 |
| پین 79 | VDD_CORE — Core supply (1.8 V typical) |
| پین 80 | VDD_IO — I/O supply (3.3 V typical) |
| پین 81 | VDD_PLL — PLL supply |
| پین 82 | VDD_RAM — Embedded SRAM supply |
| پین 83 | VSS_CORE — Core ground |
| پین 84 | VSS_IO — I/O ground |
| پین 85 | TEST0 — Test mode pin (tie low in normal operation) |
| پین 86 | TEST1 — Test mode pin (tie low in normal operation) |
| پین 87 | NC — Not connected (per datasheet) |
| پین 88 | NC — Not connected (per datasheet) |
| پین 89 | NC — Not connected (per datasheet) |
| پین 90 | NC — Not connected (per datasheet) |
| پین 91 | NC — Not connected (per datasheet) |
| پین 92 | NC — Not connected (per datasheet) |
| پین 93 | NC — Not connected (per datasheet) |
| پین 94 | NC — Not connected (per datasheet) |
| پین 95 | NC — Not connected (per datasheet) |
| پین 96 | NC — Not connected (per datasheet) |
| پین 97 | NC — Not connected (per datasheet) |
| پین 98 | NC — Not connected (per datasheet) |
| پین 99 | NC — Not connected (per datasheet) |
| پین 100 | NC — Not connected (per datasheet) |
کاربردهای معمول
S1D13781F00A100 مناسب است برای 6 کاربردs: 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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
خلاصه محصولات پیشنهادی
دادههای مرجع مهندسی برای S1D13781F00A100 — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزینها
| پارامتر | این محصول | 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) |
تفاوتهای کلیدی
- Integrated 384 KB display SRAM eliminates external framebuffer (در مقابلGeneric WQVGA controllers without embedded RAM)
- Hardware 2D BitBLT engine with Alpha Blending and PinP (در مقابلSoftware-only graphics stacks on the host MCU)
- Dual panel support: RGB TFT and CSTN in one chip (در مقابلSingle-panel-type controllers)
یادداشتهای طراحی
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.
اطلاعات انطباق
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.