Renesas R7S910035CBG#AC0

Overview

R7S910035CBG#AC0 from Renesas Electronics is a high-performance real-time industrial MCU integrating dual Arm® Cortex®-R4 (600 MHz) and Cortex-M3 (150 MHz) processors, 1 Mbyte on-chip extended SRAM with ECC, EtherCAT slave controller (2-port), and dual CAN 2.0B interfaces - deployed in servo drive control systems requiring deterministic low-latency motion coordination.

For engineers reviewing the R7S910035CBG#AC0 datasheet, R7S910035CBG#AC0 pinout, R7S910035CBG#AC0 application, or R7S910035CBG#AC0 equivalent, key selection criteria include verified EtherCAT slave timing compliance, 600 MHz Cortex-R4 real-time execution capability, on-chip SRAM ECC integrity, and 320-pin FBGA package thermal performance at Tj = −40°C to +125°C.

Technical Context

The R7S910035CBG#AC0 implements a tightly coupled dual-core architecture where the Cortex-R4 executes safety-critical motion control loops with hardware FPU acceleration (996 DMIPS at 600 MHz), while the Cortex-M3 handles auxiliary I/O management and R-IN engine tasks. Its event link controller enables hardware-triggered peripheral chaining without CPU intervention.

Real-time determinism is enforced via dedicated modules: EtherCAT slave controller (Beckhoff IP core), 33 extended-function timers (TPUa/MTU3a/GPTa), and independent watchdog timer (IWDTa) clocked from 240 kHz LOCO/2. All A/D converters (12-bit × 2 units), ΔΣ interface (4 channels), and encoder interfaces (EnDat 2.2/BiSS-C compliant) are synchronized to this deterministic timing domain.

Key Specifications

Pinout & Package

Package: 320-pin Fine-Pitch Ball Grid Array (FBGA), PRBG0320GA-A, 17 mm × 17 mm, 0.8 mm pitch, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar real-time industrial MCU applications.

Compared with R7S910034CBG#AC0 and R7S910036CBG#AC0, the R7S910035CBG#AC0 provides optimal balance of deterministic 600 MHz real-time performance, EtherCAT timing precision, and industrial temperature resilience - without unnecessary security overhead or frequency derating.

Availability

R7S910035CBG#AC0 is available at Aetrix Electronics and suitable for servo drive control, industrial PLCs, robotics motion controllers, and high-speed packaging equipment requiring stable component supply across extended product lifecycles.

Supply support for R7S910035CBG#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, and power devices for automotive, industrial, and IoT markets.

The RZ/T1 Group, including R7S910035CBG#AC0, was designed specifically for deterministic real-time industrial automation - integrating EtherCAT, high-frequency PWM, and functional safety features into a single die to replace multi-chip motion control solutions.

FAQ

What is the maximum operating frequency of the R7S910035CBG#AC0 Cortex-R4 core?

The R7S910035CBG#AC0 Cortex-R4 core operates at a maximum frequency of 600 MHz, delivering 996 DMIPS performance. This rating is validated for the PRBG0320GA-A FBGA package under industrial temperature conditions (Tj = −40°C to +125°C) with proper power delivery and thermal management per Renesas Application Note R01AN3917JJ0100.

Does the R7S910035CBG#AC0 include an integrated EtherCAT slave controller?

Yes, the R7S910035CBG#AC0 integrates a Beckhoff Automation EtherCAT slave controller IP core supporting two physical ports. It complies with EtherCAT specification ETG.1000 and enables hardware-accelerated process data exchange with sub-microsecond jitter - no external ASIC or FPGA is required for basic EtherCAT slave functionality.

What package type and pin count does the R7S910035CBG#AC0 use?

The R7S910035CBG#AC0 uses a 320-pin Fine-Pitch Ball Grid Array (FBGA) package designated PRBG0320GA-A, measuring 17 mm × 17 mm with 0.8 mm ball pitch. This package is RoHS-compliant and qualified for reflow soldering per J-STD-020D moisture sensitivity level 3.

How much on-chip SRAM does the R7S910035CBG#AC0 provide, and what error correction is implemented?

The R7S910035CBG#AC0 provides 1 Mbyte of on-chip extended SRAM with SEC-DED (Single Error Correction / Double Error Detection) ECC. This memory operates at 150 MHz and is accessible by both Cortex-R4 and Cortex-M3 cores, ensuring data integrity for real-time motion buffers without external memory access latency.

Which encoder interface protocols are supported by the R7S910035CBG#AC0?

The R7S910035CBG#AC0 supports EnDat 2.2, BiSS-C, FA-CODER, A-format, and HIPERFACE DSL-compliant encoder interfaces across its two dedicated channels. These protocols are implemented in hardware with differential input receivers and programmable frequency division - enabling direct connection to absolute rotary encoders without external level-shifting or protocol translation.