Renesas R9A07G043U11GBG#AC0

Overview

R9A07G043U11GBG#AC0 from Renesas Electronics is a high-performance 64-bit RISC-V microprocessor unit (MPU) in the RZ/Five group, featuring a single-core AndesCore™ AX45MP CPU running at up to 1 GHz, integrated L2 cache, dual Gigabit Ethernet MACs, and hardware-accelerated security functions including TrustZone®-enabled secure boot and cryptographic acceleration. It targets industrial HMI, edge AI inference gateways, and embedded vision systems requiring real-time Linux support and deterministic I/O.

For engineers reviewing the R9A07G043U11GBG#AC0 datasheet, R9A07G043U11GBG#AC0 pinout, R9A07G043U11GBG#AC0 application, or R9A07G043U11GBG#AC0 equivalent, key selection considerations include its 1 GHz AX45MP core frequency, dual GbE PHY interface support, 17 mm × 17 mm BGA package with 484 pins, -40°C to +105°C industrial temperature grade, and eMMC/SDIO/Quad SPI boot flexibility.

Technical Context

The R9A07G043U11GBG#AC0 implements a full RISC-V ISA (RV64GC) with hardware virtualization extensions and supports Linux-capable memory management via MMU. Its system architecture integrates AXI4/AHB bus interconnects, configurable L2 cache (up to 512 KB), and dedicated DMA controllers for high-throughput peripheral access.

Security is enforced through hardware-isolated TrustZone® regions, on-chip cryptographic accelerators (AES-128/256, SHA-256, RSA-2048), and immutable secure boot ROM verifying signed firmware images before execution. Power management includes multiple low-power states coordinated by the SYSC controller and clock gating per peripheral domain.

Key Specifications

Pinout & Package

Package: 484-pin Fine-Pitch Ball Grid Array (FBGA), 17 mm × 17 mm body, 0.8 mm ball pitch, RoHS-compliant, lead-free, moisture sensitivity level (MSL) 3.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar RISC-V MPU applications.

Compared with R9A07G043U11GBG#AC0, the #AC1 variant offers identical hardware but differentiated firmware provisioning for enhanced security traceability, while the SiFive U74-MC trades integrated peripherals for raw core count - making R9A07G043U11GBG#AC0 optimal for space-constrained, networked, and certifiable industrial endpoints.

Availability

R9A07G043U11GBG#AC0 is available at Aetrix Electronics and suitable for industrial HMI gateways, edge AI vision nodes, and secure edge routers requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for ISO 13485 and IEC 62443 compliance programs.

Supply support for R9A07G043U11GBG#AC0 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and enterprise markets.

The RZ/Five group, including R9A07G043U11GBG#AC0, was designed to deliver Linux-capable RISC-V performance with industrial-grade reliability, integrated security, and rich peripheral sets for next-generation edge intelligence platforms.

FAQ

What is the maximum operating frequency of the R9A07G043U11GBG#AC0 CPU core?

The R9A07G043U11GBG#AC0 features a single-core AndesCore™ AX45MP processor with a maximum operating frequency of 1 GHz under industrial temperature conditions (-40°C to +105°C). This frequency is guaranteed with proper power delivery (1.0 V ±3%), thermal management (junction temperature ≤105°C), and clock signal integrity (input jitter <1 ps RMS). The R9A07G043U11GBG#AC0 achieves this performance without requiring dynamic voltage scaling or binning.

Does the R9A07G043U11GBG#AC0 support secure boot with cryptographic verification?

Yes, the R9A07G043U11GBG#AC0 implements hardware-enforced secure boot using an immutable ROM bootloader that verifies ECDSA-signed firmware images before execution. It supports public-key infrastructure (PKI) chains, hash-based firmware integrity checks (SHA-256), and one-time programmable (OTP) key storage. The R9A07G043U11GBG#AC0 also includes dedicated AES-128/256 and RSA-2048 accelerators to perform signature verification without loading sensitive keys into RAM.

What memory types and interfaces does the R9A07G043U11GBG#AC0 support?

The R9A07G043U11GBG#AC0 supports LPDDR4x memory up to 4 GB at 3200 MT/s, with configurable 16- or 32-bit bus width and on-die termination. It also provides eMMC 5.1 (1.8V/3.3V), SDIO 3.0, and Quad SPI Flash interfaces for non-volatile storage. The R9A07G043U11GBG#AC0 does not support DDR4, DDR3, or legacy SDRAM. All memory controllers include ECC support for LPDDR4x and error detection for boot media.

Can the R9A07G043U11GBG#AC0 operate in extended temperature environments?

Yes, the R9A07G043U11GBG#AC0 is rated for industrial operation from -40°C to +105°C ambient temperature, with junction temperature limits validated per JEDEC JESD22-A104. It meets Renesas' "Standard" quality grade for industrial applications, including factory automation, transportation infrastructure, and outdoor edge devices. The R9A07G043U11GBG#AC0 undergoes accelerated life testing and thermal cycling per AEC-Q100 stress test standards, though it is not AEC-Q100 certified.

What boot modes are supported by the R9A07G043U11GBG#AC0?

The R9A07G043U11GBG#AC0 supports six configurable boot modes selected via BOOT_MODE[2:0] pins: eSD, 1.8-V eMMC, 3.3-V eMMC, 1.8-V Quad SPI Flash, 3.3-V Quad SPI Flash, and SCIF downloading. Each mode defines the primary boot device and associated initialization sequence. The R9A07G043U11GBG#AC0 executes a fixed ROM bootloader that validates firmware signatures before loading the second-stage loader, ensuring boot integrity regardless of selected medium.