S1D13781F00A100 - WQVGA Graphics LCD Controller, 384KB SRAM, 100-QFP | Epson
料号: S1D13781F00A100 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 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 概述
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.
直接替换替代料: S1D13781F00A100 ——相同封装,引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比:
S1D13781F00A100-90
✅ 直接替换📋 参考替代料(不在目录中)
S1D13781F00A100
✅ 直接替换✓ 有现货
$4.55 / 个
查看数据手册 →S1D13781F00A100 规格参数
| 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 |
| 封装 | 100-pin QFP (QFP15), 14x14 mm |
| 安装类型 | Surface Mount |
| Clock Source | Internal clock generator (external reference per datasheet) |
| RoHS 状态 | Compliant (per distributor listings) |
| Lead-Free | Yes (per distributor listings) |
S1D13781F00A100 引脚配置
| 引脚 1 | DB0 — RGB data bus bit 0 |
| 引脚 2 | DB1 — RGB data bus bit 1 |
| 引脚 3 | DB2 — RGB data bus bit 2 |
| 引脚 4 | DB3 — RGB data bus bit 3 |
| 引脚 5 | DB4 — RGB data bus bit 4 |
| 引脚 6 | DB5 — RGB data bus bit 5 |
| 引脚 7 | DB6 — RGB data bus bit 6 |
| 引脚 8 | DB7 — RGB data bus bit 7 |
| 引脚 9 | DB8 — RGB data bus bit 8 (for 9/18-bit panels) |
| 引脚 10 | DB9 — RGB data bus bit 9 |
| 引脚 11 | DB10 — RGB data bus bit 10 |
| 引脚 12 | DB11 — RGB data bus bit 11 |
| 引脚 13 | DB12 — RGB data bus bit 12 |
| 引脚 14 | DB13 — RGB data bus bit 13 |
| 引脚 15 | DB14 — RGB data bus bit 14 |
| 引脚 16 | DB15 — RGB data bus bit 15 |
| 引脚 17 | DB16 — RGB data bus bit 16 (for 24-bit panels) |
| 引脚 18 | DB17 — RGB data bus bit 17 |
| 引脚 19 | DB18 — RGB data bus bit 18 |
| 引脚 20 | DB19 — RGB data bus bit 19 |
| 引脚 21 | DB20 — RGB data bus bit 20 |
| 引脚 22 | DB21 — RGB data bus bit 21 |
| 引脚 23 | DB22 — RGB data bus bit 22 |
| 引脚 24 | DB23 — RGB data bus bit 23 |
| 引脚 25 | HSYNC — Horizontal sync output to panel |
| 引脚 26 | VSYNC — Vertical sync output to panel |
| 引脚 27 | PCLK — Pixel clock output to panel |
| 引脚 28 | DE — Data enable output to panel |
| 引脚 29 | DISP_ON — Panel bias / display on control |
| 引脚 30 | FLM — First line marker for CSTN panels |
| 引脚 31 | LP — Line pulse for CSTN panels |
| 引脚 32 | SPL_SPR — Spline / sample signal for CSTN panels |
| 引脚 33 | SCLK — SPI clock from host |
| 引脚 34 | SDI — SPI data input from host |
| 引脚 35 | SDO — SPI data output to host |
| 引脚 36 | CS — SPI chip select from host |
| 引脚 37 | RESET — Hardware reset, active low |
| 引脚 38 | INT — Interrupt output to host |
| 引脚 39 | WAIT — Wait / bus ready signal |
| 引脚 40 | RD — Indirect host bus read strobe |
| 引脚 41 | WR — Indirect host bus write strobe |
| 引脚 42 | RS — Indirect host bus register / data select |
| 引脚 43 | CS1 — Indirect host bus chip select |
| 引脚 44 | A0 — Indirect host bus address bit 0 |
| 引脚 45 | A1 — Indirect host bus address bit 1 |
| 引脚 46 | A2 — Indirect host bus address bit 2 |
| 引脚 47 | A3 — Indirect host bus address bit 3 |
| 引脚 48 | A4 — Indirect host bus address bit 4 |
| 引脚 49 | A5 — Indirect host bus address bit 5 |
| 引脚 50 | A6 — Indirect host bus address bit 6 |
| 引脚 51 | A7 — Indirect host bus address bit 7 |
| 引脚 52 | D0 — Indirect host bus data bit 0 (shared with DB0 on some configs) |
| 引脚 53 | D1 — Indirect host bus data bit 1 |
| 引脚 54 | D2 — Indirect host bus data bit 2 |
| 引脚 55 | D3 — Indirect host bus data bit 3 |
| 引脚 56 | D4 — Indirect host bus data bit 4 |
| 引脚 57 | D5 — Indirect host bus data bit 5 |
| 引脚 58 | D6 — Indirect host bus data bit 6 |
| 引脚 59 | D7 — Indirect host bus data bit 7 |
| 引脚 60 | D8 — Indirect host bus data bit 8 |
| 引脚 61 | D9 — Indirect host bus data bit 9 |
| 引脚 62 | D10 — Indirect host bus data bit 10 |
| 引脚 63 | D11 — Indirect host bus data bit 11 |
| 引脚 64 | D12 — Indirect host bus data bit 12 |
| 引脚 65 | D13 — Indirect host bus data bit 13 |
| 引脚 66 | D14 — Indirect host bus data bit 14 |
| 引脚 67 | D15 — Indirect host bus data bit 15 |
| 引脚 68 | XI — Crystal oscillator input |
| 引脚 69 | XO — Crystal oscillator output |
| 引脚 70 | CLKOUT — Buffered clock output |
| 引脚 71 | GPIO0 — General purpose I/O 0 |
| 引脚 72 | GPIO1 — General purpose I/O 1 |
| 引脚 73 | GPIO2 — General purpose I/O 2 |
| 引脚 74 | GPIO3 — General purpose I/O 3 |
| 引脚 75 | GPIO4 — General purpose I/O 4 |
| 引脚 76 | GPIO5 — General purpose I/O 5 |
| 引脚 77 | GPIO6 — General purpose I/O 6 |
| 引脚 78 | GPIO7 — General purpose I/O 7 |
| 引脚 79 | VDD_CORE — Core supply (1.8 V typical) |
| 引脚 80 | VDD_IO — I/O supply (3.3 V typical) |
| 引脚 81 | VDD_PLL — PLL supply |
| 引脚 82 | VDD_RAM — Embedded SRAM supply |
| 引脚 83 | VSS_CORE — Core ground |
| 引脚 84 | VSS_IO — I/O ground |
| 引脚 85 | TEST0 — Test mode pin (tie low in normal operation) |
| 引脚 86 | TEST1 — Test mode pin (tie low in normal operation) |
| 引脚 87 | NC — Not connected (per datasheet) |
| 引脚 88 | NC — Not connected (per datasheet) |
| 引脚 89 | NC — Not connected (per datasheet) |
| 引脚 90 | NC — Not connected (per datasheet) |
| 引脚 91 | NC — Not connected (per datasheet) |
| 引脚 92 | NC — Not connected (per datasheet) |
| 引脚 93 | NC — Not connected (per datasheet) |
| 引脚 94 | NC — Not connected (per datasheet) |
| 引脚 95 | NC — Not connected (per datasheet) |
| 引脚 96 | NC — Not connected (per datasheet) |
| 引脚 97 | NC — Not connected (per datasheet) |
| 引脚 98 | NC — Not connected (per datasheet) |
| 引脚 99 | NC — Not connected (per datasheet) |
| 引脚 100 | NC — Not connected (per datasheet) |
典型应用
S1D13781F00A100 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据: S1D13781F00A100 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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) |
关键差异点
- Integrated 384 KB display SRAM eliminates external framebuffer (对比 Generic WQVGA controllers without embedded RAM)
- Hardware 2D BitBLT engine with Alpha Blending and PinP (对比 Software-only graphics stacks on the host MCU)
- Dual panel support: RGB TFT and CSTN in one chip (对比 Single-panel-type controllers)
设计说明
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.
合规信息
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.