Toshiba’s TX4964FG was an automotive display system-on-chip introduced in 2007 for instrument clusters and rear-view camera displays. It combined a CPU, graphics hardware, TFT-LCD control, camera input and 4 MB of embedded DRAM in one device, with the aim of reducing the external chips, board area and system complexity needed to build an in-car display.
What is Toshiba’s automotive display SoC?
The TX4964FG was designed to drive and manage small TFT-LCD panels in medium- to high-end vehicles. Electronic Design reported on July 5, 2007 that Toshiba positioned it for applications ranging from backup-camera displays to full-size, reconfigurable instrument clusters. The intended display range was typically three to five inches, at resolutions up to VGA.
As an Amazon Associate I earn from qualifying purchases.
It was not simply a video-interface converter: the TX4964FG combined computing and display functions that would otherwise require several separate ICs. Toshiba’s stated integration replaced four ICs, consolidating a processor, graphics controller, dedicated accelerator functions, peripherals and interfaces.
PC Slower Than It Used to Be?
A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11Outdated Drivers Are Slowing You Down
One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchWhat did the TX4964FG integrate?
- CPU: A 64-bit, MIPS-based Toshiba TX49/L4 core running at 120 MHz.
- Graphics hardware: A hardware graphics engine supporting up to 32-bit RGBA color, plus an accelerator for display output and anti-aliasing.
- TFT-LCD panel controller: The display-control function for the target automotive panels.
- Camera input: A digital-camera interface and frame grabber able to handle multiple input formats, including rear-view monitoring use.
- Memory: 4 MB of embedded DRAM for the frame buffer, avoiding the need for external RAM ICs.
- Package: A 176-pin QFP.
Integrating frame-buffer memory and display functions could reduce board area and system-level power by eliminating external components. The design addressed a practical engineering trade-off: a cluster or rear-view display needs graphics and video handling, but using separate processing, memory and display-control chips increases component count and design complexity.
#1 Best Overall
- 【Vehicle Fitment】The 7" LCD display touch screen compatible for Mazda CX-5 2017-2020.
- 【Replace Part Number】TM070RDHP05 A1P72N642U026 K123611J0A. Please carefully check the OE number and compatible model.
- 【High Quality】The surface hardness has been improved to minimize scratches and scuffs, ensuring a resilient and long-lasting display. Enjoy a smoother, scratch-resistant surface for uninterrupted interaction with your vehicle's display.
- 【Touch Screen Size】7''(155*87mm). Interface type: 50-pin. Please note: No tools or installation instructions are included, please check the exact dimensions of the touch screen before buying. If your current screen shows signs of unresponsiveness, scratches, cracks, dead pixels, or fading polarized protection, this is the part you need.
- 【Note】 Before placing your order, please carefully verify both your vehicle model and part number of the old component to avoid inconvenience caused by purchasing the incorrect part
What are the TX4964FG specifications?
| Specification | TX4964FG |
|---|---|
| CPU | 64-bit MIPS-based TX49/L4, 120 MHz |
| Embedded memory | 4 MB DRAM for frame-buffer use |
| Graphics | Up to 32-bit RGBA; hardware graphics engine and accelerator |
| Display target | Typically 3–5-inch TFT-LCD panels; up to VGA resolution |
| Video input | Digital-camera interface and frame grabber for multiple formats |
| Package | 176-pin QFP |
| Integration claim | Replaced four ICs, as reported in 2007 coverage |
These are the specifications stated in the 2007 coverage; they describe the TX4964FG as introduced, not a statement about current production or availability.
How does it compare with Toshiba’s later automotive display-interface chips?
Toshiba later announced automotive infotainment (IVI) bridge ICs. They address a different problem from the TX4964FG: translating video between display and processor interfaces rather than integrating a CPU, graphics engine and frame buffer for a cluster-style display.
Rank #2
- Compatible with Cadillac ATS 2013-2016 Escalade 2015-2017 SRX 2013-2016 XTS 2013-2016 CTS CTS-V 2013-2017 ELR 2014 - 2016.
- OE Number: 22980208, 22986276, 23106488, 23106489, 23173153, 23173157, 23233090, 23239089, 23243166, 23286469.
- Package include: Cadillac Cue Screen and 1 set Trim Removal Tool Kit for easy replacement. Comes with a removal tool for easy installation of a new screen.
- Our touch screen is clearer, more delicate and more transparent than the original. Stable, reliable, scratch-resistant, screen failure rate and screen burst rate is greatly reduced.
- Over time, if the screen is worn, damaged, or unresponsive, it will affect the operation and use. It is recommended to replace with a new screen, this is the best solution.
| Device and announcement | Function and standards | Published resolution | Package and temperature | Sample timing stated at announcement |
|---|---|---|---|---|
| TX4964FG (2007) | Compute, graphics, TFT control, camera input and frame-buffer integration for instrument clusters and rear-view displays | Up to VGA for typical 3–5-inch displays | 176-pin QFP; temperature range not stated in the 2007 coverage | Not stated in the 2007 coverage |
| TC9590 (2018) | HDMI 1.4a input to four-lane MIPI CSI-2 output | Not stated in Toshiba’s announcement | Compact VFBGA/LFBGA package; exact dimensions and temperature range not stated for this device in the announcement | Samples from June 2018 |
| TC9591 (2018) | 24-bit parallel video to four-lane MIPI CSI-2 | Not stated in Toshiba’s announcement | Compact VFBGA/LFBGA package; TC9591XBG operating range extended to +105°C | Samples from June 2018 |
| TC9592 (2018) | MIPI DSI to single- or dual-link LVDS | UXGA, 1600 × 1200, 24-bit | Compact VFBGA/LFBGA package; exact dimensions and temperature range not stated for this device in the announcement | Samples from June 2018 |
| TC9593 (2018) | MIPI DSI to single- or dual-link LVDS | Up to WUXGA, 1920 × 1200 | Compact VFBGA/LFBGA package; exact dimensions and temperature range not stated for this device in the announcement | Samples from June 2018 |
| TC9594XBG (2020) | 24-bit parallel input to four-lane MIPI DSI output | WUXGA, reported as 1900 × 1200 at 24-bit | 7 mm × 7 mm, 0.65 mm-pitch VFBGA80; −40°C to +105°C | Samples began shipping in May 2020 |
| TC9595XBG (2020) | MIPI DSI or DPI input to VESA DisplayPort 1.1a output | WUXGA, reported as 1900 × 1200 at 24-bit | 7 mm × 7 mm, 0.65 mm-pitch VFBGA80; −40°C to +85°C | Samples expected to follow later in 2020 |
The 2018 announcement described the TC9590–TC9593 as automotive IVI video-interface bridges and said they operated across automotive temperature ranges; exact numerical limits are not specified here except for TC9591XBG’s +105°C upper limit. Toshiba’s announcements used different resolution figures: TC9593 was specified up to 1920 × 1200, while the 2020 TC9594XBG/TC9595XBG announcement stated 1900 × 1200 at 24-bit. Those figures are preserved as published rather than reconciled.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
Sources: Electronic Design’s July 5, 2007 TX4964FG report; Toshiba’s June 4, 2018 TC9590–TC9593 announcement; Toshiba’s June 2, 2020 TC9594XBG/TC9595XBG announcement.
Quick Recap
Best Value
- 【Backup Camera Monitor Only】This is a 5-inch TFT LCD color monitor for a backup camera, backup camera not included. Works with CVBS cameras and does not support AHD cameras
- 【HD Image】This 5 inch backup camera monitor is equipped with an 800(RGB)X480 LCD screen, experience a crystal-clear HD view, provides a clear view to ensure safety when backing up
- 【2 Installation Methods】You can decide whether to install your monitor on the dashboard or the windshield based on your usage habits. The adjustable suction cup mount allows you to find the suitable viewing angle without obstructing your view
- 【2-Way Video Input】The backup monitor has 2 video input interfaces. The white interface has display priority, specially for the reversing camera, automatically displays the rear view image when reversing. The yellow interface is for the front/side view camera
- 【Perfect Size】The 5 inch monitor is the perfect size, not too big and not too small. It neither blocks the line of sight nor can it clearly display images
Rank #4
- 【Fitment】Fit for Mazda 3 2014 2015 2016. Fit for Mazda CX-3 Navigation 2016 2017. Fit for Mazda MX-5 Navigation 2016 2017 2018 2019. Fit for Scion iA 2016
- 【Part Number】Replace BHP1611J0D K40005A29F
- 【Material】Selection of durable materials, environmental protection, cost-effective, easy to install, easy to use, durable, long-term use, bring you a wonderful experience
- 【Attention Please】When purchasing this product, please be sure to read the product description carefully, and understand the product specifications, models and applicable models in detail to ensure that it is suitable for your car
- 【 About Us 】 If you have other questions after purchase, you are welcome to consult us, we will answer you in time. Please read the product description carefully when purchasing to ensure that it is suitable for your use and avoid additional problems for you
Rank #3
- 【Exclusive OTA Updates】If your Android phone or iPhone is updated (or will be updated) to Android 16 or iPhone 18 or above, it may fail to connect or frequently disconnect when using Android Auto/ Apple Carplay. Don’t worry—an OTA firmware update will fully resolve this issue. You even don't need to download app. (Reduce complicated and tedious procedures) Just use your phone to scan the QR code to finish upgrading. Ahead of all other update technologies currently available
- 【Wireless Apple Carplay & Android Auto】RQO portable CarPlay screen for car supports Wireless Carplay & Android Auto. You can access your phone's music, map navigation, messages, hands-free Phone Call etc. when it simply connects to your smartphone via Bluetooth and WiFi. It also supports voice control via Siri or Google assistant, just speaking commands through RQO Car Play Screen,. providing you with a safer and more convenient driving experience
- 【Crystal Clear and Ultra-Smooth】Experience a high-definition 1280 x 720 resolution touchscreen that stays smooth and lag-free, even during fast-paced action. Say goodbye to constant factory resets for fixing screen lag. Our RQO apple carplay screen, when it's off, delivers a bezel-less effect identical to that of a phone screen. Even under bright sunlight, screen stays perfectly readable and won’t strain your eyes or make you feel dizzy.
- 【Multiple Audio Output & Voice Control】RQO Wireless Apple Carplay comes with Bluetooth 5.3 /Built-in dual Din stereo speakers, AUX and FM transmitter Four audio output options. Meet your different needs on situations. The portable CarPlay screen features advanced voice command capabilities, combined with Apple's Siri and Google Assistance. Open up a new world of convenient possibilities with the car stereo radio Headrest Video
- 【Real-time GPS Navigation & Backup Camera】The 9-inch HD touchscreen CarPlay display offers precise, real-time GPS navigation with zero lag. Voice-guided instructions are played through your car's dual-DIN stereo speakers, helping you drive safely while receiving useful suggestions for traffic jams and lane changes. We also provide an adjustable backup camera with a 180° vertical tilt and an 18-foot cable, which fits most cars. It's a great aid when practicing reversing
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.
