Renesas R7S910025CBG#AC0

Overview

R7S910025CBG#AC0 from Renesas Electronics is a high-performance real-time MCU featuring dual Arm Cortex-R4 (600 MHz) and Cortex-M3 (150 MHz) cores, 1 Mbyte on-chip extended SRAM with ECC, EtherCAT slave controller (2-port), dual CAN 2.0B interfaces, and integrated safety functions including CRC, IWDTa, and error control module - deployed in industrial motion control systems requiring deterministic low-latency response.

For engineers reviewing the R7S910025CBG#AC0 datasheet, R7S910025CBG#AC0 pinout, R7S910025CBG#AC0 application, or R7S910025CBG#AC0 equivalent, key selection criteria include verified 600 MHz Cortex-R4 operation, dual-core real-time coordination via ELC, 2-channel EnDat 2.2/BiSS-C encoder interface support, and -40°C to +125°C junction temperature rating for harsh environments.

Technical Context

The R7S910025CBG#AC0 implements a tightly coupled dual-core architecture where the Cortex-R4 handles high-speed motion control loops and Ethernet/EtherCAT protocol stacks, while the Cortex-M3 (R-IN engine) manages peripheral coordination and safety monitoring. Its event link controller (ELC) enables hardware-triggered timer and A/D operations without CPU intervention, preserving deterministic timing.

It integrates a 2-port EtherCAT slave controller (Beckhoff IP core), dual CAN channels compliant with ISO 11898-1 up to 1 Mbps, and 2-channel encoder interfaces supporting EnDat 2.2 and BiSS-C protocols - all synchronized via shared clock domains and memory-mapped registers accessible to both cores.

Key Specifications

Pinout & Package

Package: 320-pin 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 motion control applications.

Compared with R7S910025CBG#AC0, R7S910013CBG#AC0 trades EtherCAT integration for lower unit cost in encoder-centric systems, while R7S910113CBG#AC0 adds cryptographic boot security at the expense of higher BOM complexity for key management - neither offers pin-compatible EtherCAT functionality.

Availability

R7S910025CBG#AC0 is available at Aetrix Electronics and suitable for industrial servo drives, multi-axis CNC controllers, and robotics motion controllers requiring stable component supply across extended product lifecycles.

Supply support for R7S910025CBG#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 is a Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power solutions for industrial, automotive, and infrastructure markets.

The RZ/T1 Group, including R7S910025CBG#AC0, was designed specifically for deterministic real-time industrial automation - integrating EtherCAT, encoder interfaces, and functional safety to replace FPGA+MCU combinations in motion control.

FAQ

What is the maximum operating frequency of the R7S910025CBG#AC0 Cortex-R4 core?

The R7S910025CBG#AC0 operates its Arm Cortex-R4 core at a maximum frequency of 600 MHz, delivering 996 DMIPS performance. This frequency is confirmed in Table 1.1 of the R01DS0228EJ0200 datasheet and applies specifically to the 320-pin FBGA variants including R7S910025CBG#AC0. The Cortex-M3 core runs concurrently at 150 MHz.

Does the R7S910025CBG#AC0 include an integrated EtherCAT slave controller?

Yes, the R7S910025CBG#AC0 integrates a Beckhoff-certified EtherCAT slave controller (ECATC) supporting two ports, as documented in Section 1.1 and Table 1.2 of the R01DS0228EJ0200 datasheet. This IP core enables full EtherCAT protocol handling including distributed clocks and process data mapping without external components.

Which encoder interface protocols are supported by the R7S910025CBG#AC0?

The R7S910025CBG#AC0 supports EnDat 2.2, BiSS-C, FA-CODER, A-format, and HIPERFACE DSL-compliant interfaces across its two configurable encoder channels. These protocols are explicitly listed in the "Encoder interfaces (optional)" section of the datasheet and confirmed in Table 1.3 for R7S910025CBG#AC0's product row.

What is the on-chip SRAM capacity and ECC implementation for the R7S910025CBG#AC0?

The R7S910025CBG#AC0 includes 1 Mbyte of on-chip extended SRAM with SEC-DED (single error correction/double error detection) ECC, as specified in Table 1.1 and confirmed in the "On-chip extended SRAM" feature list. This memory operates at 150 MHz and is used for real-time motion buffers and safety-critical variables.

Is the R7S910025CBG#AC0 qualified for extended temperature operation?

Yes, the R7S910025CBG#AC0 is rated for junction temperature operation from -40°C to +125°C, as stated in the "Operating temperature range" section and Table 1.1 of the R01DS0228EJ0200 datasheet. This qualification supports deployment in motor control cabinets and industrial enclosures without forced cooling.