Renesas RZ/G3S is a 64-bit Arm Cortex-A55/M33 microprocessor with low power consumption and enhanced peripherals

Renesas RZ/G3S 64-bit Arm Cortex-A55 microprocessor (MPU) designed for IoT edge and gateway devices consumes as little as 10µW in standby mode thanks to its Cortex-M33 core(s) and features a PCIe interface for high-speed data transfers with 5G wireless modules.

A single-core ARM Cortex-A55 CPU powers the RZ/G3s and can distribute workloads to two sub-CPUs, boosting efficiency in task handling and resulting in fewer components and a smaller system size. The Cortex-A55 core operates at 1.1GHz and is designed to improve power efficiency and performance over its predecessor, the Cortex-A53.

The RZ/G3S isn’t Renasas’ first Cortex-A55 product as they have previously released the RZ/A3UL and the RZ/G2L, both powered by the same Cortex-A55 CPU. Additionally, Renesas launched the 64-bit RISC-V RZ/Five processor late last year. The RZ/G3S boasts high-speed interfaces such as PCIe and GbE, a better standby mode, and improved security features which make it suitable for IoT applications such as tracking devices, home gateways, and smart meters.

rzg3s lineup en
Renesas’ 64-bit MPU product lineup

Renesas RZ/G3S specifications:

  • CPU – 1x ARM Cortex-A55 up to 1.1GHz
  • Sub-Processor – ARM Cortex-M33 (dual or single) @ 250MHz
  • Memory:
    • Internal: 1MB RAM (ECC)
    • External – 16-bit DDR4-1600 or LPDDR4-1600 (ECC)
  • SD card/MMC interface –  3 channels, SD 3.0, eMMC 4.51
  • Networking – 2x Gigabit Ethernet
  • USB – 1x USB 2.0 Host/Function (OTG), 1x USB 2.0 Host
  • PCIe – 1x 1-lane PCIe Gen 2 (optional)
  • Analog – 8x 12-bit ADC
  • Power Management – Sleep, Software/Module Standby
  • Timers:
    • 1x RTC
    • 8x 32-bit GTM (General Timer)
    • 1x 32-bit MTU3 (Multipurpose Timer) and 8x 16-bit MTU3
    • 8x 32-bit PWM
  • Package:
    • PBGA, 13-mm square, 0.5mm pitch (w/o PCIe)
    • PBGA, 14-mm square, 0.5mm pitch (w/ PCIe)

rzg3s block

The RZ/G3S microprocessor is supported by Renesas’ RZ/G Verified Linux Package, featuring Civil Infrastructure Platform (CIP) Linux and offering over 10 years of maintenance support. The user manual lists more of the RZ/G3S microprocessor’s specifications and can be downloaded from the product page, along with other supporting documentation and software applications. The company has also developed a “Single Board Computer Gateway” based on a combination of the RZ/G3S MPU with power management ICs and clock products.

rzg3s smarc evaluation board kit
RZ/G3S evaluation board kit

The evaluation board kit contains a module board (SOM), a carrier board, a JTAG cable, a USB Type-A to Micro-B cable, plus screws and spacers. The user is required to procure a 65W Type-C charger, a USB C-to-C cable, and a microSD card.

On the product page, you can request a quote on a variant of the RZ/G3S microprocessor that suits your requirements and purchase the evaluation board kit described above.

Share this:

Support CNX Software! Donate via cryptocurrencies, become a Patron on Patreon, or purchase goods on Amazon or Aliexpress

ROCK 5 ITX RK3588 mini-ITX motherboard
Notify of
The comment form collects your name, email and content to allow us keep track of the comments placed on the website. Please read and accept our website Terms and Privacy Policy to post a comment.
Khadas VIM4 SBC