S1D13781F00A100 - WQVGA Graphics LCD Controller, 384KB SRAM, 100-QFP | Epson
MPN: S1D13781F00A100 ✓ AktifS1D13781F00A100 Ringkasan
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.
Alternatif penggantian untuk S1D13781F00A100 — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
S1D13781F00A100-90
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S1D13781F00A100
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Lihat Datasheet →S1D13781F00A100 Spesifikasi
| 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 |
| Paket | 100-pin QFP (QFP15), 14x14 mm |
| Tipe Mounting | Surface Mount |
| Clock Source | Internal clock generator (external reference per datasheet) |
| Status RoHS | Compliant (per distributor listings) |
| Lead-Free | Yes (per distributor listings) |
Konfigurasi Pin S1D13781F00A100
| Pin produk 1 | DB0 — RGB data bus bit 0 |
| Pin produk 2 | DB1 — RGB data bus bit 1 |
| Pin produk 3 | DB2 — RGB data bus bit 2 |
| Pin produk 4 | DB3 — RGB data bus bit 3 |
| Pin produk 5 | DB4 — RGB data bus bit 4 |
| Pin produk 6 | DB5 — RGB data bus bit 5 |
| Pin produk 7 | DB6 — RGB data bus bit 6 |
| Pin produk 8 | DB7 — RGB data bus bit 7 |
| Pin produk 9 | DB8 — RGB data bus bit 8 (for 9/18-bit panels) |
| Pin produk 10 | DB9 — RGB data bus bit 9 |
| Pin produk 11 | DB10 — RGB data bus bit 10 |
| Pin produk 12 | DB11 — RGB data bus bit 11 |
| Pin produk 13 | DB12 — RGB data bus bit 12 |
| Pin produk 14 | DB13 — RGB data bus bit 13 |
| Pin produk 15 | DB14 — RGB data bus bit 14 |
| Pin produk 16 | DB15 — RGB data bus bit 15 |
| Pin produk 17 | DB16 — RGB data bus bit 16 (for 24-bit panels) |
| Pin produk 18 | DB17 — RGB data bus bit 17 |
| Pin produk 19 | DB18 — RGB data bus bit 18 |
| Pin produk 20 | DB19 — RGB data bus bit 19 |
| Pin produk 21 | DB20 — RGB data bus bit 20 |
| Pin produk 22 | DB21 — RGB data bus bit 21 |
| Pin produk 23 | DB22 — RGB data bus bit 22 |
| Pin produk 24 | DB23 — RGB data bus bit 23 |
| Pin produk 25 | HSYNC — Horizontal sync output to panel |
| Pin produk 26 | VSYNC — Vertical sync output to panel |
| Pin produk 27 | PCLK — Pixel clock output to panel |
| Pin produk 28 | DE — Data enable output to panel |
| Pin produk 29 | DISP_ON — Panel bias / display on control |
| Pin produk 30 | FLM — First line marker for CSTN panels |
| Pin produk 31 | LP — Line pulse for CSTN panels |
| Pin produk 32 | SPL_SPR — Spline / sample signal for CSTN panels |
| Pin produk 33 | SCLK — SPI clock from host |
| Pin produk 34 | SDI — SPI data input from host |
| Pin produk 35 | SDO — SPI data output to host |
| Pin produk 36 | CS — SPI chip select from host |
| Pin produk 37 | RESET — Hardware reset, active low |
| Pin produk 38 | INT — Interrupt output to host |
| Pin produk 39 | WAIT — Wait / bus ready signal |
| Pin produk 40 | RD — Indirect host bus read strobe |
| Pin produk 41 | WR — Indirect host bus write strobe |
| Pin produk 42 | RS — Indirect host bus register / data select |
| Pin produk 43 | CS1 — Indirect host bus chip select |
| Pin produk 44 | A0 — Indirect host bus address bit 0 |
| Pin produk 45 | A1 — Indirect host bus address bit 1 |
| Pin produk 46 | A2 — Indirect host bus address bit 2 |
| Pin produk 47 | A3 — Indirect host bus address bit 3 |
| Pin produk 48 | A4 — Indirect host bus address bit 4 |
| Pin produk 49 | A5 — Indirect host bus address bit 5 |
| Pin produk 50 | A6 — Indirect host bus address bit 6 |
| Pin produk 51 | A7 — Indirect host bus address bit 7 |
| Pin produk 52 | D0 — Indirect host bus data bit 0 (shared with DB0 on some configs) |
| Pin produk 53 | D1 — Indirect host bus data bit 1 |
| Pin produk 54 | D2 — Indirect host bus data bit 2 |
| Pin produk 55 | D3 — Indirect host bus data bit 3 |
| Pin produk 56 | D4 — Indirect host bus data bit 4 |
| Pin produk 57 | D5 — Indirect host bus data bit 5 |
| Pin produk 58 | D6 — Indirect host bus data bit 6 |
| Pin produk 59 | D7 — Indirect host bus data bit 7 |
| Pin produk 60 | D8 — Indirect host bus data bit 8 |
| Pin produk 61 | D9 — Indirect host bus data bit 9 |
| Pin produk 62 | D10 — Indirect host bus data bit 10 |
| Pin produk 63 | D11 — Indirect host bus data bit 11 |
| Pin produk 64 | D12 — Indirect host bus data bit 12 |
| Pin produk 65 | D13 — Indirect host bus data bit 13 |
| Pin produk 66 | D14 — Indirect host bus data bit 14 |
| Pin produk 67 | D15 — Indirect host bus data bit 15 |
| Pin produk 68 | XI — Crystal oscillator input |
| Pin produk 69 | XO — Crystal oscillator output |
| Pin produk 70 | CLKOUT — Buffered clock output |
| Pin produk 71 | GPIO0 — General purpose I/O 0 |
| Pin produk 72 | GPIO1 — General purpose I/O 1 |
| Pin produk 73 | GPIO2 — General purpose I/O 2 |
| Pin produk 74 | GPIO3 — General purpose I/O 3 |
| Pin produk 75 | GPIO4 — General purpose I/O 4 |
| Pin produk 76 | GPIO5 — General purpose I/O 5 |
| Pin produk 77 | GPIO6 — General purpose I/O 6 |
| Pin produk 78 | GPIO7 — General purpose I/O 7 |
| Pin produk 79 | VDD_CORE — Core supply (1.8 V typical) |
| Pin produk 80 | VDD_IO — I/O supply (3.3 V typical) |
| Pin produk 81 | VDD_PLL — PLL supply |
| Pin produk 82 | VDD_RAM — Embedded SRAM supply |
| Pin produk 83 | VSS_CORE — Core ground |
| Pin produk 84 | VSS_IO — I/O ground |
| Pin produk 85 | TEST0 — Test mode pin (tie low in normal operation) |
| Pin produk 86 | TEST1 — Test mode pin (tie low in normal operation) |
| Pin produk 87 | NC — Not connected (per datasheet) |
| Pin produk 88 | NC — Not connected (per datasheet) |
| Pin produk 89 | NC — Not connected (per datasheet) |
| Pin produk 90 | NC — Not connected (per datasheet) |
| Pin produk 91 | NC — Not connected (per datasheet) |
| Pin produk 92 | NC — Not connected (per datasheet) |
| Pin produk 93 | NC — Not connected (per datasheet) |
| Pin produk 94 | NC — Not connected (per datasheet) |
| Pin produk 95 | NC — Not connected (per datasheet) |
| Pin produk 96 | NC — Not connected (per datasheet) |
| Pin produk 97 | NC — Not connected (per datasheet) |
| Pin produk 98 | NC — Not connected (per datasheet) |
| Pin produk 99 | NC — Not connected (per datasheet) |
| Pin produk 100 | NC — Not connected (per datasheet) |
Aplikasi Umum
S1D13781F00A100 cocok untuk 6 aplikasis: 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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk S1D13781F00A100 — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | 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) |
Diferensiator Kunci
- 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)
Catatan Desain
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.
Informasi Konformitas
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.