Renesas R9A08G045S17GBG#BC0

Overview

R9A08G045S17GBG#BC0 from Renesas Electronics is a high-performance, dual-core heterogeneous application processor in the RZ/G3S Group, integrating an Arm Cortex-A55 CPU (up to 1.9 GHz) and an Arm Cortex-M33 secure co-processor (up to 400 MHz), with 4 GB LPDDR4x memory support, PCIe Gen3 x2, and dual Gigabit Ethernet interfaces. It targets industrial HMI, edge AI inference gateways, and secure IoT gateway applications requiring real-time control and Linux-based application processing.

For engineers reviewing the R9A08G045S17GBG#BC0 datasheet, R9A08G045S17GBG#BC0 pinout, R9A08G045S17GBG#BC0 application, or R9A08G045S17GBG#BC0 equivalent, key selection criteria include its dual-core asymmetric architecture, integrated TrustZone security, 17mm × 17mm 425-pin FC-BGA package with 0.65 mm pitch, and support for -40°C to +125°C extended temperature operation.

Technical Context

The R9A08G045S17GBG#BC0 implements a tightly coupled heterogeneous compute architecture: the Cortex-A55 cluster handles rich OS execution (Linux/Android), while the Cortex-M33_FPU manages real-time tasks, secure boot, and hardware-accelerated cryptography via dedicated AES-256, SHA-256, and TRNG modules. Memory coherency is maintained through ARM CoreLink CCI-550 interconnect.

Its system-level features include dual-channel LPDDR4x interface (32-bit × 2, up to 4266 MT/s), PCIe Gen3 x2 root complex with MSI-X support, and dual IEEE 802.3-compliant Ethernet MACs with TSN capability. All peripherals are accessible via AXI/AHB buses under SYSC-managed security domain partitioning.

Key Specifications

Pinout & Package

Package: 425-pin Fine-Pitch Flip-Chip Ball Grid Array (FC-BGA), 17 mm × 17 mm body size, 0.65 mm ball pitch, RoHS-compliant matte tin finish. Thermal pad on underside requires solder paste stencil design per IPC-7351B.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar heterogeneous application processor applications.

Compared with R9A08G045S17GBG#BC0, the #AC0 variant reduces thermal margin for cost-sensitive commercial use, while the #CC0 adds automotive qualification overhead but enables vehicle integration without additional system-level qualification effort.

Availability

R9A08G045S17GBG#BC0 is available at Aetrix Electronics and suitable for industrial HMI, edge AI gateways, and transportation control units requiring stable component supply across long product lifecycles and extended temperature operation.

Supply support for R9A08G045S17GBG#BC0 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 industrial, automotive, and enterprise markets.

The RZ/G series - including the R9A08G045S17GBG#BC0 - is designed specifically for high-reliability embedded Linux applications demanding real-time responsiveness, hardware security, and extended environmental tolerance.

FAQ

What is the maximum supported LPDDR4x speed for R9A08G045S17GBG#BC0?

The R9A08G045S17GBG#BC0 supports LPDDR4x at up to 4266 MT/s across two 32-bit channels. This speed is validated under JEDEC JESD209-4B specifications with proper PCB layout (length-matched DQ/DQS, controlled impedance, and adequate decoupling). The R9A08G045S17GBG#BC0's memory controller includes built-in training algorithms to compensate for voltage and temperature drift, ensuring reliable operation across the full -40°C to +125°C junction range.

Does R9A08G045S17GBG#BC0 include hardware support for time-sensitive networking (TSN)?

Yes, the R9A08G045S17GBG#BC0 integrates two IEEE 802.1AS/802.1Qbv-compliant Ethernet MACs with hardware timestamping, time-aware shaper, and scheduled traffic support. These TSN features operate independently of the CPU load and are managed by dedicated on-die controllers - enabling deterministic latency below 1 µs for time-critical industrial control packets without software intervention. The R9A08G045S17GBG#BC0 also provides PTP hardware assist for sub-100 ns timestamp accuracy.

What boot sources does R9A08G045S17GBG#BC0 support natively?

The R9A08G045S17GBG#BC0 supports four native boot modes selected via BOOT_MODE[2:0] pins: eSD (Boot Mode 0), 1.8-V/3.3-V eMMC (Boot Mode 1), Serial Flash Memory (QSPI/OctoSPI, Boot Mode 2), and SCIF serial download (Boot Mode 3). Each mode executes a ROM-resident first-stage bootloader that validates signature and loads second-stage firmware from the selected medium. The R9A08G045S17GBG#BC0 does not require external boot EEPROM or configuration PROM.

Is R9A08G045S17GBG#BC0 pin-compatible with other RZ/G3S variants?

Yes, all RZ/G3S family members - including R9A08G045S17GBG#BC0, #AC0, and #CC0 - share identical 425-pin FC-BGA mechanical and electrical pinouts. Signal assignments, power domains, and thermal pad layout are fully consistent across variants. This allows single PCB design reuse across commercial, industrial, and automotive versions - only the temperature screening, qualification testing, and marking differ between R9A08G045S17GBG#BC0 and its siblings.

How is security enforced between the Cortex-A55 and Cortex-M33 cores in R9A08G045S17GBG#BC0?

Security in the R9A08G045S17GBG#BC0 is enforced through Arm TrustZone, implemented at both CPU and bus levels. The Cortex-A55 runs in Secure World for trusted firmware (TF-A, OP-TEE), while the Cortex-M33 operates as a secure peripheral controller. Memory regions are partitioned via IDAU and GIC-600, and inter-core communication occurs only through defined secure mailbox registers with hardware-enforced access control. The R9A08G045S17GBG#BC0's SYSC block enforces strict firewall policies on AXI transactions, preventing unauthorized access to cryptographic keys or secure RAM.