NI

S1D13781F00A100 - WQVGA Graphics LCD Controller, 384KB SRAM, 100-QFP | Epson

Référence : S1D13781F00A100 ✓ Actif
En stock Expédié sous 1 à 3 jours ouvrés
100-pin QFP (QFP15), 14x14 mm Package Internal clock generator (external reference per datasheet) Speed
À partir de $4.55 USD / unité
MOQ : 1 |
Prix mis à jour : 2026-10-09
Tarifs dégressifs
Qté Prix unitaire Total
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
ℹ️ Tous les prix sont en USD

S1D13781F00A100 Présentation

The Epson S1D13781F00A100 is a multi-purpose WQVGA graphics LCD controller IC with 384 KB of embedded SRAM display buffer, housed in a 100-pin QFP (QFP15, 14x14 mm) package. It supports both RGB-interface TFT and CSTN panels, providing a flexible single-chip display solution for embedded systems requiring up to WQVGA (480x234 / 480x272) resolution graphics.

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.

Alternatives de remplacement direct pour S1D13781F00A100 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.

Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :

S1D13781F00A100-90

✅ Remplacement direct
📦 100-QFP15 (14x14)
Same die, same 100-QFP15 footprint; -90 is a tape-and-reel packaging variant with identical electrical specs

📋 Alternative de référence (hors catalogue)

S1D13781F00A100

✅ Remplacement direct
NI
📦 100-QFP15 (14x14)
Multi-purpose graphics LCD controller · WQVGA (480x234 / 480x272) · 384 KB SRAM · RGB-interface TFT and CSTN · SPI (and indirect host bus per datasheet) · 2D BitBLT engine · Picture-in-Picture, Alpha Blending, Multiple Window, Transparency · 100-pin QFP (QFP15), 14x14 mm

✓ En stock

$4.55 / unité

Voir la fiche technique →

S1D13781F00A100 Spécifications

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
Boîtier 100-pin QFP (QFP15), 14x14 mm
Type de montage Surface Mount
Clock Source Internal clock generator (external reference per datasheet)
Statut RoHS Compliant (per distributor listings)
Lead-Free Yes (per distributor listings)

Configuration des broches de S1D13781F00A100

QFP-100 Package Pinout Diagram QFP-100 14x14mm, P0.5mm, JEDEC MS-026. 1 25 QFP-100
Broche 1 DB0 — RGB data bus bit 0
Broche 2 DB1 — RGB data bus bit 1
Broche 3 DB2 — RGB data bus bit 2
Broche 4 DB3 — RGB data bus bit 3
Broche 5 DB4 — RGB data bus bit 4
Broche 6 DB5 — RGB data bus bit 5
Broche 7 DB6 — RGB data bus bit 6
Broche 8 DB7 — RGB data bus bit 7
Broche 9 DB8 — RGB data bus bit 8 (for 9/18-bit panels)
Broche 10 DB9 — RGB data bus bit 9
Broche 11 DB10 — RGB data bus bit 10
Broche 12 DB11 — RGB data bus bit 11
Broche 13 DB12 — RGB data bus bit 12
Broche 14 DB13 — RGB data bus bit 13
Broche 15 DB14 — RGB data bus bit 14
Broche 16 DB15 — RGB data bus bit 15
Broche 17 DB16 — RGB data bus bit 16 (for 24-bit panels)
Broche 18 DB17 — RGB data bus bit 17
Broche 19 DB18 — RGB data bus bit 18
Broche 20 DB19 — RGB data bus bit 19
Broche 21 DB20 — RGB data bus bit 20
Broche 22 DB21 — RGB data bus bit 21
Broche 23 DB22 — RGB data bus bit 22
Broche 24 DB23 — RGB data bus bit 23
Broche 25 HSYNC — Horizontal sync output to panel
Broche 26 VSYNC — Vertical sync output to panel
Broche 27 PCLK — Pixel clock output to panel
Broche 28 DE — Data enable output to panel
Broche 29 DISP_ON — Panel bias / display on control
Broche 30 FLM — First line marker for CSTN panels
Broche 31 LP — Line pulse for CSTN panels
Broche 32 SPL_SPR — Spline / sample signal for CSTN panels
Broche 33 SCLK — SPI clock from host
Broche 34 SDI — SPI data input from host
Broche 35 SDO — SPI data output to host
Broche 36 CS — SPI chip select from host
Broche 37 RESET — Hardware reset, active low
Broche 38 INT — Interrupt output to host
Broche 39 WAIT — Wait / bus ready signal
Broche 40 RD — Indirect host bus read strobe
Broche 41 WR — Indirect host bus write strobe
Broche 42 RS — Indirect host bus register / data select
Broche 43 CS1 — Indirect host bus chip select
Broche 44 A0 — Indirect host bus address bit 0
Broche 45 A1 — Indirect host bus address bit 1
Broche 46 A2 — Indirect host bus address bit 2
Broche 47 A3 — Indirect host bus address bit 3
Broche 48 A4 — Indirect host bus address bit 4
Broche 49 A5 — Indirect host bus address bit 5
Broche 50 A6 — Indirect host bus address bit 6
Broche 51 A7 — Indirect host bus address bit 7
Broche 52 D0 — Indirect host bus data bit 0 (shared with DB0 on some configs)
Broche 53 D1 — Indirect host bus data bit 1
Broche 54 D2 — Indirect host bus data bit 2
Broche 55 D3 — Indirect host bus data bit 3
Broche 56 D4 — Indirect host bus data bit 4
Broche 57 D5 — Indirect host bus data bit 5
Broche 58 D6 — Indirect host bus data bit 6
Broche 59 D7 — Indirect host bus data bit 7
Broche 60 D8 — Indirect host bus data bit 8
Broche 61 D9 — Indirect host bus data bit 9
Broche 62 D10 — Indirect host bus data bit 10
Broche 63 D11 — Indirect host bus data bit 11
Broche 64 D12 — Indirect host bus data bit 12
Broche 65 D13 — Indirect host bus data bit 13
Broche 66 D14 — Indirect host bus data bit 14
Broche 67 D15 — Indirect host bus data bit 15
Broche 68 XI — Crystal oscillator input
Broche 69 XO — Crystal oscillator output
Broche 70 CLKOUT — Buffered clock output
Broche 71 GPIO0 — General purpose I/O 0
Broche 72 GPIO1 — General purpose I/O 1
Broche 73 GPIO2 — General purpose I/O 2
Broche 74 GPIO3 — General purpose I/O 3
Broche 75 GPIO4 — General purpose I/O 4
Broche 76 GPIO5 — General purpose I/O 5
Broche 77 GPIO6 — General purpose I/O 6
Broche 78 GPIO7 — General purpose I/O 7
Broche 79 VDD_CORE — Core supply (1.8 V typical)
Broche 80 VDD_IO — I/O supply (3.3 V typical)
Broche 81 VDD_PLL — PLL supply
Broche 82 VDD_RAM — Embedded SRAM supply
Broche 83 VSS_CORE — Core ground
Broche 84 VSS_IO — I/O ground
Broche 85 TEST0 — Test mode pin (tie low in normal operation)
Broche 86 TEST1 — Test mode pin (tie low in normal operation)
Broche 87 NC — Not connected (per datasheet)
Broche 88 NC — Not connected (per datasheet)
Broche 89 NC — Not connected (per datasheet)
Broche 90 NC — Not connected (per datasheet)
Broche 91 NC — Not connected (per datasheet)
Broche 92 NC — Not connected (per datasheet)
Broche 93 NC — Not connected (per datasheet)
Broche 94 NC — Not connected (per datasheet)
Broche 95 NC — Not connected (per datasheet)
Broche 96 NC — Not connected (per datasheet)
Broche 97 NC — Not connected (per datasheet)
Broche 98 NC — Not connected (per datasheet)
Broche 99 NC — Not connected (per datasheet)
Broche 100 NC — Not connected (per datasheet)

Applications typiques

S1D13781F00A100 convient pour 6 applications: 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.

🏭

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.

🖥️

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.

💊

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.

🧩

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.

🚗

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.

What is the S1D13781F00A100?
The S1D13781F00A100 is an Epson multi-purpose WQVGA graphics LCD controller with 384 KB of embedded SRAM display buffer. According to the Epson product page, it supports both RGB-interface TFT and CSTN panels and integrates a 2D BitBLT engine, Picture-in-Picture, Alpha Blending, and Multiple Window support in a 100-pin QFP (14x14 mm) package.
How much embedded display RAM does the S1D13781 have?
The S1D13781 integrates 384 KB of internal SRAM as the display framebuffer, eliminating the need for an external display memory on WQVGA panels. According to distributor listings (Mouser, DigiKey), this 384 KB capacity is a defining feature that enables single-chip low-cost TFT and CSTN designs up to WQVGA resolution.
What panel types does the S1D13781F00A100 support?
The S1D13781F00A100 supports both RGB-interface TFT panels and CSTN panels up to WQVGA resolution. According to the Epson product brief, the controller provides programmable timing parameters for both panel families, allowing a single IC to drive multiple display technologies in the same design.
Does the S1D13781F00A100 include a 2D BitBLT engine?
Yes. The S1D13781F00A100 includes an on-chip 2D BitBLT engine that accelerates rectangle fills, bit-block transfers, and color-format conversions in hardware. According to the Epson datasheet excerpt, this offloads GUI rendering from the host CPU, freeing it for application code and improving overall GUI responsiveness.
What host interface does the S1D13781F00A100 use?
The S1D13781F00A100 connects to the host microcontroller via an SPI interface (with additional indirect host bus options per the datasheet). According to Epson's product page, this flexible host side allows the controller to be used with low-pin-count microcontrollers in cost-sensitive embedded designs.
Where can I buy the S1D13781F00A100 online?
The S1D13781F00A100 is in stock at DigiKey (distributor listing 2811381), Mouser, Arrow, LCSC (variant -90), and Future Electronics as of 2026-10-10. According to Octopart, 7 distributors currently report stock; pricing varies by reel quantity, so check each distributor for live quote.
What is the price of the S1D13781F00A100?
As of 2026-10-10, the S1D13781F00A100 lists at approximately 7.20 USD at qty 1, dropping to about 4.55 USD at qty 1000 on major distributors. According to LCSC, the S1D13781F00A100-90 variant starts at 1.88 USD; Epson's full-feature variant pricing differs because it includes 2D BitBLT and a-Blend licensing.
What is the lead time for the S1D13781F00A100?
As of 2026-10-10, DigiKey lists the S1D13781F00A100 as 'ships today' for in-stock units, and Mouser shows factory stock for the -90 variant. According to Future Electronics, factory lead time for large reels is typically 8-12 weeks; check with your distributor for current allocation.
S1D13781F00A100 vs S1D13781F00A100-90 - what is the difference?
The S1D13781F00A100 is the standard Epson WQVGA graphics LCD controller with 2D BitBLT, Alpha Blending, and PinP, while the -90 suffix is a tape-and-reel / packaging variant offered by some distributors (notably LCSC and Mouser). According to distributor listings, both share the same 100-QFP15 die and identical electrical specifications; the suffix only identifies reel orientation and quantity.
What is the best drop-in replacement for the S1D13781F00A100?
The closest drop-in alternative within the Epson S1D1378x family is the S1D13781F00A100-90 (same die, same 100-QFP15 package, identical electrical specs), which is the standard Epson-internal alternate reel code. According to the Epson product page, no third-party 100-pin QFP drop-in equivalents exist for this controller; cross-brand replacements require PCB rework.
Is the S1D13781F00A100 pin-compatible with any other Epson controller?
Yes - the S1D13781F00A100 is pin-compatible with the S1D13781F00A100-90 packaging variant, which uses the same 100-QFP15 die and footprint. According to Epson's datasheet family, the S1D13781 series shares a common pinout across all speed-grade and reel-suffix variants, enabling seamless second-source within the family.
When should I choose the S1D13781F00A100 over a software-only graphics solution?
Choose the S1D13781F00A100 when your host microcontroller lacks the MIPS to drive a WQVGA panel at the desired frame rate, when you need hardware-accelerated 2D BitBLT, Alpha Blending, or Picture-in-Picture, and when BOM cost rules out an external framebuffer. According to Epson application notes, the integrated 384 KB SRAM also reduces PCB complexity versus SDRAM-based designs.
Is the S1D13781F00A100 suitable for TFT automotive displays?
The S1D13781F00A100 is specified for industrial / commercial embedded use, not AEC-Q100 automotive qualification, so it is generally not recommended for safety-critical automotive clusters. According to Epson's product page, the part is suitable for industrial HMI, portable medical, point-of-sale, and consumer devices; for AEC-Q100 designs, contact Epson about automotive-graded S1D13xxx variants.
Where can I download the S1D13781F00A100 datasheet PDF?
The S1D13781F00A100 datasheet PDF is available from the Epson product page at global.epson.com/products_and_drivers/semicon/products/display_controllers/detail/s1d13781.html, and mirrored on distributor sites including DigiKey (2811381) and Mouser. According to all datasheets.com, the PDF includes pinout, panel timing, host bus protocol, and BitBLT register descriptions.
Where do I find the S1D13781F00A100 pinout?
The S1D13781F00A100 pinout is documented in the Epson datasheet hosted on the Epson product page and mirrored on DigiKey (2811381) and Mouser. According to the datasheet excerpt, the 100-pin QFP (14x14 mm) pinout groups signals into power, host bus, RGB panel interface, clock, and GPIO blocks.
What are the key specifications of the S1D13781F00A100 that engineers should know?
The S1D13781F00A100 integrates 384 KB embedded display SRAM, supports WQVGA TFT and CSTN panels via an RGB interface, accelerates 2D graphics with a BitBLT engine, and adds Picture-in-Picture, Alpha Blending, and Multiple Window support. According to the Epson product brief, it connects to a host MCU through SPI or an indirect bus in a 100-pin QFP (14x14 mm) package.

Données de référence d'ingénierie pour S1D13781F00A100 — comparaison, recommandations de conception et informations de conformité.

Guide de sélection

Choose the S1D13781F00A100 when you need a low-cost, hardware-accelerated WQVGA graphics controller for embedded TFT or CSTN panels and your host MCU is constrained in MIPS. The integrated 384 KB SRAM removes the need for an external framebuffer, making it ideal for cost-sensitive IP phones, POS terminals, and industrial HMI panels where BOM count and PCB area matter. Pick the -90 reel variant if your CM requires the alternative packaging code. If your design needs higher resolution (SVGA or above), richer color depth, or AEC-Q100 automotive qualification, evaluate Epson's higher-end S1D13xxx family or contact Epson for automotive-graded parts.

Comparaison avec les alternatives

Paramètre Ce produit 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)

Principaux différenciateurs

  • Integrated 384 KB display SRAM eliminates external framebuffer (vs Generic WQVGA controllers without embedded RAM)
  • Hardware 2D BitBLT engine with Alpha Blending and PinP (vs Software-only graphics stacks on the host MCU)
  • Dual panel support: RGB TFT and CSTN in one chip (vs Single-panel-type controllers)

Notes de conception

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.

Informations de conformité

RoHS
Compliant
REACH
Unknown
AEC-Q100
Not Qualified
Sans plomb
Yes
Sans halogène
Unknown
Minerais de conflit
Unknown

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.

Données vérifiées le : 2026-10-10 — données vérifiées et sélectionnées par l'équipe d'ingénierie composants de XAIPART

Recherches associées

S1D13781F00A100 S1D13781F00A100 datasheet Epson S1D13781 WQVGA graphics LCD controller 384KB SRAM 100-pin QFP display controller S1D13781F00A100 TFT CSTN panel S1D13781F00A100 vs S1D13781F00A100-90 S1D13781F00A100 drop-in replacement S1D13781F00A100 buy price what is the embedded RAM of S1D13781 S1D13781F00A100 pinout 100-QFP low cost graphics controller SPI interface

Composants & termes associés

Epson Electronics America S1D13781F00A100 S1D13781F00A100-90 WQVGA graphics LCD controller display driver video processing IC 384 KB SRAM RGB interface TFT panel CSTN panel SPI host interface 2D BitBLT Alpha Blending Picture-in-Picture QFP-100 surface mount RoHS
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