Блог компании Mingjiada Supply Renesas R7F7016903 RH850/F1KM-S1 32-Bit Single-Chip Microcontroller: High-End Automotive MCU Power Body Electronics Applications

With the rapid development of smart cars, domain controllers, in-vehicle gateways and functional safety systems, demand in the market for high-end automotive microcontrollers continues to grow. Shenzhen Mingjiada Electronics Co., Ltd. – a long-standing supplier of Renesas’ R7F7016903 (i.e. R7F7016903AFP-C) and other RH850 series automotive microcontrollers—a long-standing supplier of these components. This device belongs to the RH850/F1KM-S1 series of 32-bit single-chip microcontrollers, positioned for the high-end automotive microcontroller market, and is suitable for automotive electronic control units with stringent requirements for real-time performance, reliability, information security and functional safety. Mingjiada Electronics now supplies the Renesas R7F7016903, providing automotive electronics manufacturers with stable and efficient component supply chain support.

Core Positioning: Overview of the RH850/F1KM-S1 Series and the R7F7016903

The R7F7016903, part of Renesas’ RH850/F1KM-S1 series, is a 32-bit single-chip automotive microcontroller designed specifically for automotive body electronics applications. This series is based on the RH850G3KH CPU core, with a clock speed of up to 120 MHz. It features internal flash memory capacities ranging from 512 KB to 1 MB, offers a variety of packaging options from 48 to 100 pins, and incorporates a CAN FD interface and low-power characteristics.

The R7F7016903 is a representative model in this series, featuring 1MB of code flash memory and a 64-pin LFQFP (10×10mm) package. With an operating temperature range of -40°C to +105°C and AEC-Q100 automotive qualification, it is suitable for body control applications with high demands on computational performance, storage capacity and temperature tolerance.

Key Parameter Analysis (R7F7016903)

Processor core: RH850G3KH, 32-bit single-core

Clock frequency: Up to 120 MHz

Programme storage capacity: 1 MB Flash (1M × 8)

Data storage: 64 KB Data Flash, 128 KB RAM (including ECC SRAM)

Operating Voltage: 3V to 5.5V

Number of I/O Ports: 49

Communication Interfaces: CAN bus, CSI, I²C, LIN bus, SPI, UART/USART

Analogue Peripherals: A/D converters: 10 × 10-bit, 11 × 12-bit

Timers and DMA: DMA (16 channels), PWM, WDT, 32-bit timers (16 channels), 16-bit timers

Package Type: 64-LFQFP (10 × 10 × 1.7 mm, 0.5 mm pin pitch)

Functional Safety and Encryption: Supports information security and encryption functions; compliant with the ISO 26262 standard

In-depth Analysis of the R7F7016903: 1 MB of on-chip flash memory and 128 KB of RAM provide ample space for complex body control firmware, diagnostic protocol stacks and OTA updates; whilst the combination of 49 I/O ports and multiple CAN/LIN interfaces enables it to serve as the main control chip for distributed body control nodes, directly driving various actuators and sensors.

R7F7016903 Low-Power and Functional Safety Design

The RH850/F1KM-S1 series integrates multiple low-power and functional safety mechanisms at the hardware level:

Low-Power Sampler (LPS): Polls signal inputs without requiring interaction with the CPU core, significantly reducing standby power consumption.

DeepSTOP Mode: This mode cuts off power to selected circuits within the chip, further extending battery life in battery-powered scenarios.

Functional Safety Support: As a Safety Element out of Context (SEooC) developed in accordance with the ISO 26262 standard, this MCU incorporates dedicated functions such as ECC memory protection and data/clock monitoring, meeting the basic functional safety requirements for automotive applications.

Information Security: Integrates an Intelligent Cryptographic Unit (ICU), supports an AES engine and a random number generator (RNG), and implements hardware-level isolation between secure and non-secure domains.

Typical Applications
Thanks to the above features, the R7F7016903 is primarily used in the following automotive electronics applications:
Body Control Module (BCM): Centralised control of body loads such as windows, door locks and wing mirrors.
Automotive Gateway: Enables protocol conversion and data routing between different in-vehicle networks (e.g. CAN, LIN).
Automotive HVAC: The main control unit for air conditioning and thermal management systems.
Automotive Lighting Modules: Supports complex lighting logic such as adaptive headlights and ambient lighting.
Automotive Camera Systems: Works in conjunction with AHL (Analogue High-Level) control channels to enable single-cable video transmission and expand remote monitoring capabilities.

Mingjiada Electronics’ Supply Chain Advantages
Mingjiada Electronics has long supplied the full range of Renesas RH850 automotive microcontrollers, including the RH850/F1KM-S1, RH850/F1KM-S2, RH850/F1KM-S4, as well as sub-series such as RH850/U2A and RH850/C1M-Ax. For the R7F7016903, Mingjiada Electronics supplies brand-new, genuine products, in stock, and supports sample procurement, small-batch trial production and large-volume orders, ensuring material traceability and delivery reliability.

If you wish to purchase Renesas R7F7016903, RH850/F1KM-S1 or other automotive electronic components, please visit the Mingjiada Electronics website (https://www.integrated-ic.com/) for further supply details.
Tags: R7F7016903AFP-C, R7F7016903AFP, R7F7016903AF, R7F7016903A, R7F7016903