S1D13781F00A100 - WQVGA Graphics LCD Controller, 384KB SRAM, 100-QFP | Epson
MPN: S1D13781F00A100 ✓ Hoạt độngS1D13781F00A100 Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho S1D13781F00A100 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
S1D13781F00A100-90
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
S1D13781F00A100
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Xem tài liệu →S1D13781F00A100 Thông số kỹ thuật
| 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 |
| Hộp | 100-pin QFP (QFP15), 14x14 mm |
| Kiểu lắp đặt | Surface Mount |
| Clock Source | Internal clock generator (external reference per datasheet) |
| Trạng thái RoHS | Compliant (per distributor listings) |
| Lead-Free | Yes (per distributor listings) |
Cấu hình chân S1D13781F00A100
| Chân 1 | DB0 — RGB data bus bit 0 |
| Chân 2 | DB1 — RGB data bus bit 1 |
| Chân 3 | DB2 — RGB data bus bit 2 |
| Chân 4 | DB3 — RGB data bus bit 3 |
| Chân 5 | DB4 — RGB data bus bit 4 |
| Chân 6 | DB5 — RGB data bus bit 5 |
| Chân 7 | DB6 — RGB data bus bit 6 |
| Chân 8 | DB7 — RGB data bus bit 7 |
| Chân 9 | DB8 — RGB data bus bit 8 (for 9/18-bit panels) |
| Chân 10 | DB9 — RGB data bus bit 9 |
| Chân 11 | DB10 — RGB data bus bit 10 |
| Chân 12 | DB11 — RGB data bus bit 11 |
| Chân 13 | DB12 — RGB data bus bit 12 |
| Chân 14 | DB13 — RGB data bus bit 13 |
| Chân 15 | DB14 — RGB data bus bit 14 |
| Chân 16 | DB15 — RGB data bus bit 15 |
| Chân 17 | DB16 — RGB data bus bit 16 (for 24-bit panels) |
| Chân 18 | DB17 — RGB data bus bit 17 |
| Chân 19 | DB18 — RGB data bus bit 18 |
| Chân 20 | DB19 — RGB data bus bit 19 |
| Chân 21 | DB20 — RGB data bus bit 20 |
| Chân 22 | DB21 — RGB data bus bit 21 |
| Chân 23 | DB22 — RGB data bus bit 22 |
| Chân 24 | DB23 — RGB data bus bit 23 |
| Chân 25 | HSYNC — Horizontal sync output to panel |
| Chân 26 | VSYNC — Vertical sync output to panel |
| Chân 27 | PCLK — Pixel clock output to panel |
| Chân 28 | DE — Data enable output to panel |
| Chân 29 | DISP_ON — Panel bias / display on control |
| Chân 30 | FLM — First line marker for CSTN panels |
| Chân 31 | LP — Line pulse for CSTN panels |
| Chân 32 | SPL_SPR — Spline / sample signal for CSTN panels |
| Chân 33 | SCLK — SPI clock from host |
| Chân 34 | SDI — SPI data input from host |
| Chân 35 | SDO — SPI data output to host |
| Chân 36 | CS — SPI chip select from host |
| Chân 37 | RESET — Hardware reset, active low |
| Chân 38 | INT — Interrupt output to host |
| Chân 39 | WAIT — Wait / bus ready signal |
| Chân 40 | RD — Indirect host bus read strobe |
| Chân 41 | WR — Indirect host bus write strobe |
| Chân 42 | RS — Indirect host bus register / data select |
| Chân 43 | CS1 — Indirect host bus chip select |
| Chân 44 | A0 — Indirect host bus address bit 0 |
| Chân 45 | A1 — Indirect host bus address bit 1 |
| Chân 46 | A2 — Indirect host bus address bit 2 |
| Chân 47 | A3 — Indirect host bus address bit 3 |
| Chân 48 | A4 — Indirect host bus address bit 4 |
| Chân 49 | A5 — Indirect host bus address bit 5 |
| Chân 50 | A6 — Indirect host bus address bit 6 |
| Chân 51 | A7 — Indirect host bus address bit 7 |
| Chân 52 | D0 — Indirect host bus data bit 0 (shared with DB0 on some configs) |
| Chân 53 | D1 — Indirect host bus data bit 1 |
| Chân 54 | D2 — Indirect host bus data bit 2 |
| Chân 55 | D3 — Indirect host bus data bit 3 |
| Chân 56 | D4 — Indirect host bus data bit 4 |
| Chân 57 | D5 — Indirect host bus data bit 5 |
| Chân 58 | D6 — Indirect host bus data bit 6 |
| Chân 59 | D7 — Indirect host bus data bit 7 |
| Chân 60 | D8 — Indirect host bus data bit 8 |
| Chân 61 | D9 — Indirect host bus data bit 9 |
| Chân 62 | D10 — Indirect host bus data bit 10 |
| Chân 63 | D11 — Indirect host bus data bit 11 |
| Chân 64 | D12 — Indirect host bus data bit 12 |
| Chân 65 | D13 — Indirect host bus data bit 13 |
| Chân 66 | D14 — Indirect host bus data bit 14 |
| Chân 67 | D15 — Indirect host bus data bit 15 |
| Chân 68 | XI — Crystal oscillator input |
| Chân 69 | XO — Crystal oscillator output |
| Chân 70 | CLKOUT — Buffered clock output |
| Chân 71 | GPIO0 — General purpose I/O 0 |
| Chân 72 | GPIO1 — General purpose I/O 1 |
| Chân 73 | GPIO2 — General purpose I/O 2 |
| Chân 74 | GPIO3 — General purpose I/O 3 |
| Chân 75 | GPIO4 — General purpose I/O 4 |
| Chân 76 | GPIO5 — General purpose I/O 5 |
| Chân 77 | GPIO6 — General purpose I/O 6 |
| Chân 78 | GPIO7 — General purpose I/O 7 |
| Chân 79 | VDD_CORE — Core supply (1.8 V typical) |
| Chân 80 | VDD_IO — I/O supply (3.3 V typical) |
| Chân 81 | VDD_PLL — PLL supply |
| Chân 82 | VDD_RAM — Embedded SRAM supply |
| Chân 83 | VSS_CORE — Core ground |
| Chân 84 | VSS_IO — I/O ground |
| Chân 85 | TEST0 — Test mode pin (tie low in normal operation) |
| Chân 86 | TEST1 — Test mode pin (tie low in normal operation) |
| Chân 87 | NC — Not connected (per datasheet) |
| Chân 88 | NC — Not connected (per datasheet) |
| Chân 89 | NC — Not connected (per datasheet) |
| Chân 90 | NC — Not connected (per datasheet) |
| Chân 91 | NC — Not connected (per datasheet) |
| Chân 92 | NC — Not connected (per datasheet) |
| Chân 93 | NC — Not connected (per datasheet) |
| Chân 94 | NC — Not connected (per datasheet) |
| Chân 95 | NC — Not connected (per datasheet) |
| Chân 96 | NC — Not connected (per datasheet) |
| Chân 97 | NC — Not connected (per datasheet) |
| Chân 98 | NC — Not connected (per datasheet) |
| Chân 99 | NC — Not connected (per datasheet) |
| Chân 100 | NC — Not connected (per datasheet) |
Ứng dụng tiêu biểu
S1D13781F00A100 phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho S1D13781F00A100 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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) |
Bảo phân biệt quan trọng
- Integrated 384 KB display SRAM eliminates external framebuffer (vsGeneric WQVGA controllers without embedded RAM)
- Hardware 2D BitBLT engine with Alpha Blending and PinP (vsSoftware-only graphics stacks on the host MCU)
- Dual panel support: RGB TFT and CSTN in one chip (vsSingle-panel-type controllers)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.