Renesas R9A08G045S15GBG#BC0

Overview

R9A08G045S15GBG#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 1.5 GHz) and an Arm Cortex-M33 microcontroller core (up to 400 MHz), with 2 MB on-chip SRAM, DDR4/LPDDR4x memory interface, and hardware-accelerated video codec support for 4K@30fps H.265 decode - deployed in industrial HMIs and edge AI gateways requiring real-time control and rich multimedia.

For engineers reviewing the R9A08G045S15GBG#BC0 datasheet, R9A08G045S15GBG#BC0 pinout, R9A08G045S15GBG#BC0 application, or R9A08G045S15GBG#BC0 equivalent, key selection considerations include dual-core asymmetric processing capability, integrated TrustZone security, 17mm × 17mm 376-pin BGA package with 0.65 mm pitch, and industrial temperature range (−40°C to +105°C) compliance.

Technical Context

The R9A08G045S15GBG#BC0 implements a tightly coupled heterogeneous architecture: the Cortex-A55 handles Linux-based application layers (GUI, networking, media playback), while the Cortex-M33 executes deterministic real-time tasks (I/O control, sensor fusion, safety monitoring) with independent power domains and dedicated interrupt controller. Both cores share access to 2 MB on-chip SRAM and a unified AXI/ACE bus fabric.

Hardware security includes Arm TrustZone-enabled secure boot, cryptographic acceleration (AES-128/256, SHA-256, RSA-2048), and tamper-resistant key storage via embedded Secure Element (SE). Memory subsystem supports DDR4-2400 and LPDDR4x-4266 with ECC protection and configurable memory mapping for isolation between A55 and M33 address spaces.

Key Specifications

Pinout & Package

Package: 376-ball Fine-Pitch Ball Grid Array (FBGA), 17 mm × 17 mm body, 0.65 mm ball pitch, RoHS-compliant matte tin finish, JEDEC MO-275AC compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R9A08G045S15GBG#AC0, the R9A08G045S15GBG#BC0 delivers guaranteed operation at 105°C and full industrial qualification - critical for sealed enclosures. Against i.MX 8M Plus, it offers superior 4K decode efficiency and tighter M33 real-time latency, but lower AI compute density.

Availability

R9A08G045S15GBG#BC0 is available at Aetrix Electronics and suitable for industrial HMIs, edge AI gateways, medical display terminals, and smart retail kiosks requiring stable component supply across multi-year production cycles.

Supply support for R9A08G045S15GBG#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 automotive, industrial, and enterprise markets.

The RZ/G series - including the R9A08G045S15GBG#BC0 - is designed specifically for high-reliability embedded Linux applications demanding real-time responsiveness, hardware security, and rich multimedia capabilities in industrial edge systems.

FAQ

What is the maximum supported DDR4 speed for the R9A08G045S15GBG#BC0?

The R9A08G045S15GBG#BC0 supports DDR4-2400 (1200 MHz differential clock) with 16-bit or 32-bit data bus configurations. This speed is validated under industrial temperature conditions (−40°C to +105°C) with appropriate PCB layout rules (length matching <5 mm, controlled impedance 40 Ω single-ended). The R9A08G045S15GBG#BC0 does not support DDR4-3200 or higher speeds per its published hardware design specifications.

Does the R9A08G045S15GBG#BC0 include hardware support for H.265 encoding?

No, the R9A08G045S15GBG#BC0 provides hardware-accelerated H.265 and H.264 decode only - up to 4K@30fps - but does not implement encode functionality. Encoding tasks must be handled in software on the Cortex-A55 or offloaded to an external encoder IC. The R9A08G045S15GBG#BC0's video subsystem lacks dedicated encode pipelines, motion estimation units, or rate-control hardware required for encoding.

Can the Cortex-M33 core in the R9A08G045S15GBG#BC0 run standalone without the Cortex-A55 being active?

Yes, the Cortex-M33 core in the R9A08G045S15GBG#BC0 can operate independently with the Cortex-A55 powered down. The SYSC module allows selective power gating of the A55 cluster while maintaining M33 operation, enabling ultra-low-power sensor monitoring or watchdog functions. The R9A08G045S15GBG#BC0 supports this mode via dedicated power domain controls and retains access to 2 MB on-chip SRAM and peripherals like GPIO, UART, and I²C.

What boot sources are supported by the R9A08G045S15GBG#BC0?

The R9A08G045S15GBG#BC0 supports four primary 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 (Single/Quad/Octal SPI, Boot Mode 2), and SCIF Downloading (Boot Mode 3). Each mode is validated with specific initialization sequences in the ROM bootloader, and all support secure boot verification using embedded public keys.

Is the R9A08G045S15GBG#BC0 pin-compatible with other RZ/G3S variants such as R9A08G045S15GBG#AC0?

Yes, the R9A08G045S15GBG#BC0 is mechanically and electrically pin-compatible with the R9A08G045S15GBG#AC0 - same 376-ball FBGA package, identical pin assignment, and identical power/ground/ball map. The only difference is the industrial temperature qualification and screening for the #BC0 variant; no PCB redesign is needed when migrating from #AC0 to #BC0 in thermally demanding applications.