Renesas R7FS7G27G2A01CLK#AC0

Overview

R7FS7G27G2A01CLK#AC0 from Renesas Electronics is a Synergy S7G2 microcontroller evaluation board (starter kit) featuring the R7FS7G27G2A01CFB#AC0 MCU in 176-pin LQFP, integrated 2.4-inch QVGA TFT capacitive touch display, on-board J-Link debugger, USB Host/Device, Ethernet (RMII), CAN, RS-232/485, QSPI flash (8 MB), Arduino Shield interface, and Pmod-compatible expansion headers - designed for rapid prototyping of industrial HMI, IoT gateway, and embedded control applications.

For engineers reviewing the R7FS7G27G2A01CLK#AC0 datasheet, R7FS7G27G2A01CLK#AC0 pinout, R7FS7G27G2A01CLK#AC0 application, or R7FS7G27G2A01CLK#AC0 equivalent, this page delivers verified hardware configuration details, interface mappings to the S7G2 MCU, jumper-controlled boot and power modes, and real-world connectivity options including RMII Ethernet, dual USB (HS/FS), and capacitive touch sensing via CTSU - all critical for evaluating firmware compatibility, peripheral bring-up, and board-level integration.

Technical Context

The R7FS7G27G2A01CLK#AC0 implements the Synergy S7G2 MCU (ARM Cortex-M4F, 240 MHz, 2 MB flash, 384 KB RAM) as its core processing engine, with all I/O signals routed to four 2.54-mm breakout headers (J20–J23) and standardized interfaces including PMODA (SPI + GPIO + IRQ), PMODB (UART + GPIO + IRQ), and Arduino Uno-compatible headers. Boot mode is selected via jumper J1 (1–2 = internal flash, 2–3 = USB programming).

Power delivery is strictly 5 V via USB debug port J19, with digital current measurement enabled by removing jumper J31; analog supply current requires removal of resistor R114. The board supports multiple communication protocols simultaneously: RMII Ethernet (KSZ8081 PHY, 25 MHz crystal X5), CAN (J7), RS-232/RS-485 (configurable via J8/J9), and dual USB (High-Speed host on J6, Full-Speed device on J5).

Key Specifications

Availability

R7FS7G27G2A01CLK#AC0 is available at Aetrix Electronics and suitable for industrial HMI development, IoT edge gateway validation, and embedded control system prototyping requiring stable component supply, full documentation access, and long-term design-in support.

Supply support for R7FS7G27G2A01CLK#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, power, and SoC solutions for industrial, automotive, and enterprise applications.

The R7FS7G27G2A01CLK#AC0 belongs to the Synergy Starter Kit family, engineered to accelerate evaluation and firmware development for the S7G2 MCU series - targeting secure, scalable, and certified embedded systems in industrial automation, building control, and human-machine interface applications.

FAQ

What is the R7FS7G27G2A01CLK#AC0 used for?

The R7FS7G27G2A01CLK#AC0 is a production-ready starter kit for the Renesas Synergy S7G2 MCU, intended for rapid evaluation, firmware development, and proof-of-concept implementation. It enables engineers to validate peripheral drivers (LCD, Ethernet, USB, CAN), test real-time OS integration, and prototype industrial HMI or gateway applications without custom PCB design. The R7FS7G27G2A01CLK#AC0 includes all necessary interfaces and debug infrastructure to begin development immediately upon unboxing.

Does the R7FS7G27G2A01CLK#AC0 include an on-board debugger?

Yes, the R7FS7G27G2A01CLK#AC0 integrates a SEGGER J-Link On-Board debugger accessible through the USB debug port J19. This allows seamless programming and debugging of the S7G2 MCU using standard IDEs like e2 studio or IAR Embedded Workbench. For external debug probes, resistors R107–R110 can be removed to isolate the onboard J-Link and expose native SWD signals on header J18 - preserving full debug capability while enabling third-party toolchains.

How do I configure the R7FS7G27G2A01CLK#AC0 to boot from USB programming mode?

To configure the R7FS7G27G2A01CLK#AC0 for USB programming mode, set jumper J1 to position 2–3 (instead of the default 1–2). In this mode, the S7G2 MCU boots directly into USB bootloader mode, allowing flash programming over the USB Device port (J5) without requiring external debug hardware. The R7FS7G27G2A01CLK#AC0 must remain powered via J19 during this process, and the host PC must recognize the device as a USB DFU target.

Can the R7FS7G27G2A01CLK#AC0 support both RS-232 and RS-485 on the same physical connector?

No - the R7FS7G27G2A01CLK#AC0 uses jumper-selectable routing: RS-232 is exposed on connector J7 when jumpers J8 (1–2) and J9 (1–3 & 2–4) are set to default positions; RS-485 operates on connector J10 only when J8 is set to 2–3 and J9 to 3–5 & 4–6. These configurations are mutually exclusive per the hardware design. The R7FS7G27G2A01CLK#AC0 does not support simultaneous or auto-switched operation between the two standards on a single port.

What display interface does the R7FS7G27G2A01CLK#AC0 use for its 2.4-inch LCD?

The R7FS7G27G2A01CLK#AC0 connects its 2.4-inch QVGA TFT panel via the S7G2 MCU's parallel LCD interface (16-bit data bus + control signals), configured by default for 4-wire, 8-bit serial mode using the ILI9341V driver IC. Touch functionality is handled separately by the Semtech SX8656 resistive touch controller, which communicates with the S7G2 over I²C (pins P512/P511). Both display and touch are fully supported in Renesas' Synergy Software Package (SSP) with pre-verified drivers.