Renesas R9A09G055MA3GBG#ACC

Overview

R9A09G055MA3GBG#ACC from Renesas Electronics is a Vision AI application-specific standard product (ASSP) in the RZ/V2MA series, integrating dual Arm® Cortex®-A53 cores, an image signal processor (ISP), and hardware-accelerated H.264/H.265 video encoding/decoding. It operates at up to 1.2 GHz, supports LPDDR4x memory, and delivers real-time 4K@30fps AI vision processing for edge inference. It is deployed in smart cameras and industrial vision systems requiring low-latency, on-device AI inference without cloud dependency.

For engineers reviewing the R9A09G055MA3GBG#ACC datasheet, R9A09G055MA3GBG#ACC pinout, R9A09G055MA3GBG#ACC application, or R9A09G055MA3GBG#ACC equivalent, key selection criteria include its integrated ISP pipeline, hardware-accelerated CV engine, 12-bit MIPI CSI-2 input support, dual-core A53 Linux-capable architecture, and automotive-grade thermal operating range (−40°C to +105°C).

Technical Context

The R9A09G055MA3GBG#ACC implements a heterogeneous SoC architecture with dual Cortex-A53 CPUs, a dedicated DRP (Dynamically Reconfigurable Processor) for real-time convolutional filtering, and a fully programmable ISP supporting auto-exposure, auto-white-balance, and lens distortion correction. Its clock system includes four independent PLLs-two for CPU/core domains and two for media/IO domains-with fine-grained clock gating per peripheral.

Power management uses hierarchical domain control: eight configurable power domains (PD_1 through PD_8), each independently switchable via register-controlled power-on timing (PD_ON_TIM) and domain-select fields (PD_NUM[2:0]), enabling dynamic DVFS and selective shutdown of unused vision subsystems during low-power operation.

Key Specifications

Pinout & Package

Package: FC-BGA 19 mm × 19 mm, 361-ball, 0.65 mm pitch, RoHS-compliant, moisture sensitivity level 3 (MSL3).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar vision AI ASSP applications.

Compared with R9A09G055MA3GBG#ACC, both #ACR and #ACJ share identical vision processing capability, DRP configuration, and ISP pipeline behavior-but differ solely in packaging format and associated handling logistics, with no impact on electrical design, thermal layout, or firmware compatibility.

Availability

R9A09G055MA3GBG#ACC is available at Aetrix Electronics and suitable for smart camera deployment, industrial machine vision, and autonomous mobile robot development requiring stable component supply, long-term lifecycle assurance, and automotive-grade thermal reliability.

Supply support for R9A09G055MA3GBG#ACC 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 applications.

The RZ/V series is designed specifically for vision AI edge inference, integrating CPU, ISP, and reconfigurable accelerators into a single package to eliminate external AI co-processors and reduce system BOM cost and latency.

FAQ

What is the maximum supported LPDDR4x density for R9A09G055MA3GBG#ACC?

R9A09G055MA3GBG#ACC supports up to 8 GB LPDDR4x (2×4 GB chips, 16-bit wide per channel). The memory controller implements JEDEC JESD209-4B compliance with on-die termination calibration, write-leveling, and read-leveling sequences. This capacity enables full 4K frame buffering plus AI model weights storage within on-package memory space, avoiding external DDR bottleneck.

Does R9A09G055MA3GBG#ACC include hardware support for MIPI CSI-2 virtual channels?

Yes, R9A09G055MA3GBG#ACC supports MIPI CSI-2 virtual channels (VC) up to VC ID 3 across all four data lanes. Each virtual channel can be independently routed to ISP input pipelines or DRP DMA engines, enabling concurrent processing of multiple sensor streams (e.g., RGB + IR + depth) without time-division multiplexing overhead. Configuration is done via CPG register set CSI_VC_CFG.

Can R9A09G055MA3GBG#ACC operate without external flash memory?

Yes, R9A09G055MA3GBG#ACC supports QSPI NOR flash boot directly from internal ROM bootloader (ROM Boot Mode). It executes initial firmware from external QSPI (up to 133 MHz DDR mode), then loads Linux kernel and rootfs from LPDDR4x or eMMC. No external parallel NOR/NAND is required, simplifying board layout and reducing BoM count.

What thermal management features are implemented in R9A09G055MA3GBG#ACC?

R9A09G055MA3GBG#ACC integrates a calibrated on-die thermal sensor (TMU) with interrupt capability, dynamic voltage/frequency scaling (DVFS) per power domain, and hardware-triggered DRP clock gating when temperature exceeds 90°C. These features allow closed-loop thermal control without host CPU polling, maintaining safe junction temperatures under sustained 4K AI workloads.

Is R9A09G055MA3GBG#ACC pin-compatible with earlier RZ/V2L or RZ/V2H variants?

No, R9A09G055MA3GBG#ACC is not pin-compatible with RZ/V2L or RZ/V2H. While sharing the same FC-BGA 361-ball footprint, ball functions differ significantly: RZ/V2MA adds dedicated DRP I/O banks, reassigns several power domains, and relocates MIPI CSI-2 lanes to support higher bandwidth. PCB redesign and schematic updates are required for migration.