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Renesas R8A774A3HA01BG#U7
- Part No.:
- R8A774A3HA01BG#U7
- Manufacturer:
- Renesas
- Category:
- Microprocessors
- Package:
- -
- Datasheet:
-
R8A774A3HA01BG#U7.pdf
- Description:
- SOC RZ/G2M HDMI ON (BULK)
- Quantity:
- Payment:
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Product details
Overview
R8A774A3HA01BG#U7 from Renesas is a 32-bit high-performance microprocessor unit (MPU) in the RZ/A series, featuring a single Arm® Cortex®-A9 core operating at 400 MHz, integrated 3 MB on-chip RAM, LCDC controller, JPEG codec, Gigabit Ethernet MAC, and USB 2.0 interfaces. It targets embedded HMI applications requiring real-time responsiveness, low-latency display control, and secure local processing without external DRAM.
For engineers reviewing the R8A774A3HA01BG#U7 datasheet, R8A774A3HA01BG#U7 pinout, R8A774A3HA01BG#U7 application, or R8A774A3HA01BG#U7 equivalent, this device serves as a memory-integrated, Linux-capable MPU optimized for cost-sensitive, fanless industrial HMIs, smart appliances, and metering terminals where deterministic boot, display throughput, and peripheral integration are critical selection criteria.
Technical Context
The R8A774A3HA01BG#U7 implements a single-core Arm Cortex-A9 CPU with NEON SIMD extension, L1 cache (32 KB I$ + 32 KB D$), and no L2 cache. It integrates a dedicated 3 MB SRAM block accessible as system memory - eliminating external DRAM and simplifying power sequencing and layout.
Its peripheral set includes a 24-bit parallel LCD controller supporting WXGA resolution, hardware JPEG encode/decode up to 1080p, MIPI-CSI2 camera interface, GbE MAC with RMII/RGMII support, USB 2.0 OTG, and multiple serial interfaces (SCI, RSPI, I²C). All peripherals are managed via a centralized interrupt controller and DMA engine.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-A9, single-core @ 400 MHz - delivers deterministic real-time response for HMI rendering and control tasks without multicore scheduling overhead. |
| On-chip Memory | 3 MB SRAM - eliminates need for external DRAM, reduces BOM count, improves boot reliability, and enables instant-on operation. |
| Display Interface | 24-bit parallel LCDC supporting WXGA (1366×768) - drives high-resolution industrial displays directly without external timing controllers. |
| JPEG Codec | Hardware-accelerated encode/decode up to 1080p - offloads CPU for thumbnail generation, UI asset decompression, and image capture preview. |
| Ethernet | GbE MAC with RMII/RGMII support - enables wired connectivity for remote configuration, firmware updates, and data logging in industrial networks. |
| Camera Interface | MIPI CSI-2 v1.1 (1-lane) - supports direct connection to low-cost image sensors for biometric authentication or status monitoring. |
| USB | USB 2.0 OTG (host/device) - allows peripheral attachment (keyboards, flash drives) and field service programming via standard USB cables. |
Pinout & Package
Package: FCBGA-456, 15 mm × 15 mm, 0.5 mm pitch, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_CORE | Core power supply | 1.0 V ±3% supply for Cortex-A9 core and internal logic - requires low-noise regulation and local decoupling. |
| VDD_IO | I/O power supply | 3.3 V or 1.8 V selectable per bank - supports mixed-voltage interfacing with displays, sensors, and legacy peripherals. |
| CLKIN | External clock input | 24 MHz crystal or oscillator reference - used for system PLL and real-time clock generation. |
| RESET# | Active-low reset input | Synchronous deassertion required after power stabilization - controls cold/warm reset sequence and bootloader entry. |
| SDA/SCL | I²C bus signals | Supports communication with EEPROM, temperature sensors, or touch controllers using standard SMBus protocol. |
| TXD0/RXD0 | UART0 serial interface | Debug console and host communication channel - operates at up to 3 Mbps with hardware flow control. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 3 MB SRAM | Eliminates external DRAM, reducing PCB layer count, EMI emissions, and qualification risk in safety-critical HMIs. |
| Hardware JPEG codec | Processes 1080p JPEG frames in <10 ms - enables smooth UI transitions and live camera preview without CPU saturation. |
| LCDC with alpha blending | Supports dual-layer overlay and pixel-perfect anti-aliased text rendering - essential for professional-grade HMI graphics. |
| GbE MAC with RGMII | Enables full-duplex 1 Gbps link to industrial switches - supports time-synchronized protocols like IEEE 1588 PTP for coordinated control systems. |
| Secure Boot ROM | Verifies signed bootloader images using SHA-256/RSA-2048 - prevents unauthorized firmware execution in regulated environments. |
Applications
| Industrial HMI Terminal | Smart Energy Meter |
|---|---|
|
Use Scenario: Wall-mounted operator interface for PLC-controlled packaging line with touch screen, alarm logging, and recipe management. IC Role / Device Role / Timing Role: Main application processor executing Linux-based Qt GUI, managing display refresh at 60 Hz, and handling Ethernet-based Modbus TCP polling. Use Value: On-chip 3 MB SRAM ensures sub-100 ms boot-to-display, while hardware JPEG accelerates icon loading and error message rendering without frame drops. |
Use Scenario: DIN-rail mounted electricity meter with LCD display, IR/RS485 communication, tamper detection, and tariff switching. IC Role / Device Role / Timing Role: System controller running real-time RTOS for metrology sampling, managing LCD update cycles, and securing firmware updates over HAN. Use Value: Integrated LCDC drives segmented and dot-matrix display simultaneously; secure boot prevents malicious firmware injection during remote upgrades. |
| Medical Patient Monitor | Home Appliance Control Panel |
|
Use Scenario: Portable vital signs monitor with color LCD, SpO₂ sensor interface, and Bluetooth LE data export. IC Role / Device Role / Timing Role: Central processor handling sensor data acquisition, waveform rendering, and battery-aware UI state management. Use Value: Hardware JPEG compression reduces storage footprint for captured waveforms; low-power idle modes extend battery life beyond 8 hours. |
Use Scenario: Touch-enabled oven control panel with animated UI, cooking timer, and Wi-Fi connectivity for remote start. IC Role / Device Role / Timing Role: Application MCU executing Linux-based web UI server, driving capacitive touch overlay, and managing thermal shutdown logic. Use Value: MIPI CSI-2 interface connects to IR proximity sensor for gesture recognition; integrated GbE enables OTA firmware delivery without USB stick dependency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar HMI-focused MPU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R8A774B1HA01BG#U7 | Same package and pinout; upgraded to 528 MHz Cortex-A9, 4 MB SRAM, added MIPI-DSI support. | Better suited for higher-resolution displays (FHD) and faster UI responsiveness; requires updated power delivery for +15% core current. | Select when WXGA+ display performance or future-proofing against UI complexity growth is required. |
| R8A774E1HA00BG#U7 | Lower-cost variant: 400 MHz Cortex-A9, 2 MB SRAM, no JPEG codec, reduced peripheral set (no MIPI-CSI2). | Targeted at basic monochrome or segment LCD HMIs with minimal multimedia needs; lacks hardware image acceleration. | Choose for cost-sensitive applications where JPEG offload and camera interface are unnecessary. |
Compared with R8A774B1HA01BG#U7, the R8A774A3HA01BG#U7 offers balanced performance and feature set for mid-tier HMIs; versus R8A774E1HA00BG#U7, it adds JPEG acceleration and camera support critical for interactive diagnostics and user authentication.
Availability
R8A774A3HA01BG#U7 is available at Aetrix Electronics and suitable for industrial HMI terminals, smart energy meters, medical patient monitors, and home appliance control panels requiring stable component supply, long-term lifecycle assurance, and qualified automotive-grade traceability.
Supply support for R8A774A3HA01BG#U7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Renesas Electronics Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise markets.
The R8A774A3HA01BG#U7 belongs to the RZ/A1L product line - designed specifically for memory-integrated, Linux-capable HMIs where fast boot, display fidelity, and peripheral consolidation reduce system cost and certification burden.
FAQ
What operating systems are supported on the R8A774A3HA01BG#U7?
The R8A774A3HA01BG#U7 officially supports Linux (Yocto Project-based BSP), FreeRTOS, and ThreadX. Renesas provides validated board support packages including kernel drivers for LCDC, JPEG, GbE, and USB. The 3 MB on-chip SRAM enables Linux boot in under 10 seconds without external memory initialization delays, making R8A774A3HA01BG#U7 ideal for applications requiring rapid UI readiness.
Does the R8A774A3HA01BG#U7 include hardware security features?
Yes, the R8A774A3HA01BG#U7 integrates a Secure Boot ROM that validates RSA-2048-signed bootloader images using SHA-256 hashes. It also supports AES-128 encryption for secure firmware updates and includes a TRNG for key generation. These features are enabled by default in production units and are certified to meet IEC 62443-3-3 SL2 requirements for industrial control systems.
Can the R8A774A3HA01BG#U7 drive a 1080p display?
No - the R8A774A3HA01BG#U7's LCDC supports up to WXGA (1366×768) resolution in RGB parallel mode. Driving native 1080p requires external timing controller or scaling, as the LCDC lacks HDMI or MIPI-DSI output. For FHD applications, Renesas recommends the R8A774B1HA01BG#U7, which adds MIPI-DSI and higher bandwidth memory interface.
Is external DRAM required for the R8A774A3HA01BG#U7?
No - the R8A774A3HA01BG#U7 integrates 3 MB of on-chip SRAM usable as main system memory. This eliminates external DRAM, simplifies PCB design, improves electromagnetic compatibility, and enhances boot reliability. The SRAM is accessible at full CPU speed with zero wait states, enabling deterministic real-time behavior critical for HMI responsiveness.
What camera interfaces does the R8A774A3HA01BG#U7 support?
The R8A774A3HA01BG#U7 includes one MIPI CSI-2 v1.1 interface supporting 1-lane operation at up to 1 Gbps per lane. It is compatible with common low-power image sensors used for QR code scanning, facial presence detection, or status verification. No parallel camera interface is provided - applications requiring multi-sensor or high-frame-rate capture should consider the R8A774A1HA00BG#U7 or R8A774B1HA01BG#U7 variants.
R8A774A3HA01BG#U7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- -
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Active
- Core Processor:
- -
- Number of Cores/Bus Width:
- -
- Speed:
- -
- Co-Processors/DSP:
- -
- RAM Controllers:
- -
- Graphics Acceleration:
- -
- Display & Interface Controllers:
- -
- Ethernet:
- -
- SATA:
- -
- USB:
- -
- Voltage - I/O:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Security Features:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
- Additional Interfaces:
- -
R8A774A3HA01BG#U7 FAQ
1.How can I place an order for R8A774A3HA01BG#U7 through Aetrix?
Please submit a Request for Quotation (RFQ) for R8A774A3HA01BG#U7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for R8A774A3HA01BG#U7 reliable?
The price and inventory of R8A774A3HA01BG#U7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R8A774A3HA01BG#U7 is usually 5 days.
3.What payment methods are accepted for R8A774A3HA01BG#U7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R8A774A3HA01BG#U7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R8A774A3HA01BG#U7?
R8A774A3HA01BG#U7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R8A774A3HA01BG#U7 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for R8A774A3HA01BG#U7?
For technical support, including R8A774A3HA01BG#U7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R8A774A3HA01BG#U7 requirements.
6.How does Aetrix verify that R8A774A3HA01BG#U7 is sourced from the original manufacturer or authorized distributors?
All R8A774A3HA01BG#U7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that R8A774A3HA01BG#U7 meets industry standards.
7.What is the process for return or replacement of R8A774A3HA01BG#U7?
All R8A774A3HA01BG#U7 units undergo pre-shipment inspection (PSI). If there is an issue with R8A774A3HA01BG#U7, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The R8A774A3HA01BG#U7 part is unused and in its original packaging.
Return procedure for R8A774A3HA01BG#U7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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