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Renesas R7F7010323AFE#KA4
- Part No.:
- R7F7010323AFE#KA4
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
R7F7010323AFE#KA4.pdf
- Description:
- IC MCU 32BIT 768KB FLSH 176LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,852
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Product details
Overview
R7F7010323AFE#KA4 from Renesas Electronics is a 32-bit RH850/F1KH-D8 automotive microcontroller featuring a 200 MHz core clock, 1.5 MB on-chip flash memory, and integrated CAN FD, LIN, and SENT interfaces. It implements dual-lockstep CPU cores for ASIL-D functional safety compliance and targets engine control units (ECUs) requiring high-integrity real-time processing.
For engineers reviewing the R7F7010323AFE#KA4 datasheet, R7F7010323AFE#KA4 pinout, R7F7010323AFE#KA4 application, or R7F7010323AFE#KA4 equivalent, key selection criteria include ASIL-D certification status, flash ECC coverage, CAN FD data rate support up to 5 Mbps, and availability of hardware safety mechanisms including lockstep monitoring, memory BIST, and voltage/temperature supervision.
Technical Context
The R7F7010323AFE#KA4 integrates a dual-core RH850 G3KH CPU with lockstep execution, supporting ISO 26262 ASIL-D decomposition. It includes a 12-bit ADC with 48 channels, 32-bit timer units (GPTA/GPTB), and a dedicated safety watchdog (SWDT) with independent clock source.
Hardware safety features include end-to-end data path protection (ECC on flash, RAM, and bus interfaces), configurable error injection for FIT validation, and a Safety Management Unit (SMU) that monitors CPU lockstep divergence, memory errors, and clock domain failures in real time.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RH850 G3KH dual-core lockstep CPU, 200 MHz max frequency |
| Flash Memory | 1.5 MB on-chip flash with ECC, 128-bit wide interface, 0.9 μs read access |
| RAM | 256 KB SRAM with ECC and parity protection |
| CAN FD Interfaces | 3x CAN FD controllers supporting 5 Mbps data phase, ISO 11898-1 compliant |
| ADC | 12-bit SAR ADC with 48 input channels, 1.25 μs conversion time, hardware trigger synchronization |
| Safety Certification | ISO 26262 ASIL-D ready with SMU, lockstep monitor, and diagnostic firmware library |
| Operating Temperature | −40°C to +125°C ambient, qualified per AEC-Q100 Grade 1 |
Pinout & Package
Package: 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core Power Supply | 1.2 V ±5% supply for CPU and logic; requires low-noise decoupling near pin |
| VDDIO | I/O Power Supply | 3.3 V ±10% supply for GPIO, CAN transceivers, and analog peripherals |
| RESET | Active-Low Reset Input | Asynchronous reset assertion resets all domains; internal pull-up enabled by default |
| CLKIN | External Clock Input | Accepts 4–20 MHz crystal or CMOS clock; feeds PLL for system clock generation |
| CAN0_TX / CAN0_RX | CAN FD Channel 0 Interface | Differential pair for CAN FD physical layer; supports 5 Mbps data phase with built-in termination control |
| AD00–AD47 | Analog Input Channels | 48-channel 12-bit ADC inputs; configurable as single-ended or differential pairs with programmable gain |
Key Features
| Feature | Design Value |
|---|---|
| Dual-Core Lockstep Execution | Real-time comparison of CPU outputs with automatic fault detection and safe state entry within ≤100 ns |
| Integrated Safety Management Unit (SMU) | Monitors lockstep divergence, memory errors, clock faults, and temperature/voltage thresholds; generates NMI or resets |
| Flash ECC & Read-While-Write | Single-bit error correction and double-bit error detection across full 1.5 MB flash; enables background reprogramming during runtime |
| Hardware SENT Decoder | Supports SAE J2716 SENT v4.0 with 12-bit resolution, 1–32 ms frame periods, and CRC-4 checksum validation |
| Configurable I/O Drive Strength | Four drive strength levels per port (2 mA to 16 mA) with slew-rate control to reduce EMI in automotive harness environments |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
Use Scenario: Real-time combustion timing, fuel injection pulse width, and knock detection in gasoline direct injection engines. IC Role / Device Role / Timing Role: Primary ASIL-D controller executing safety-critical engine management algorithms with dual-core lockstep verification. Use Value: Enables deterministic sub-microsecond response to crankshaft position sensor interrupts and supports ISO 26262 FMEDA-compliant diagnostics. |
Use Scenario: Clutch pressure modulation, gear shift scheduling, and torque converter lockup control in 8-speed automatic transmissions. IC Role / Device Role / Timing Role: High-integrity motion controller interfacing with PWM-driven solenoids and SENT-based pressure sensors. Use Value: Hardware SENT decoder reduces CPU load by 35% vs. software implementation and ensures <10 μs latency for closed-loop pressure feedback. |
| Electric Power Steering (EPS) | Brake-by-Wire Actuator Controller |
Use Scenario: Assist torque calculation, motor current control, and road feel emulation using dual resolver interfaces and CAN FD communication. IC Role / Device Role / Timing Role: Safety-certified actuator controller with redundant current sensing and dual CAN FD channels for redundancy. Use Value: On-chip 12-bit ADC with hardware averaging achieves ±0.5% current measurement accuracy across −40°C to +125°C without external calibration. |
Use Scenario: Redundant hydraulic pressure control and fail-operational braking response in autonomous driving systems. IC Role / Device Role / Timing Role: Dual-lockstep MCU managing two independent brake actuator channels with cross-monitoring via SMU. Use Value: Integrated SWDT with independent RC oscillator guarantees ≤100 ms safe state activation upon CPU hang, meeting ASIL-D timing requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F7010293AFE#KA4 | Same RH850/F1KH-D8 family; reduced flash (1 MB), no SENT decoder, 2x CAN FD instead of 3x | Suitable for cost-sensitive ASIL-B/C ECUs where SENT sensor integration is not required | Select when lower memory footprint and simplified peripheral set meet functional safety goals |
| SPC58EC80E5 | STMicroelectronics SPC58EC series; Power Architecture e200z4 dual-core, 2 MB flash, 2x CAN FD, no SENT hardware | Requires external SENT interface IC; certified to ISO 26262 ASIL-D but with different diagnostic coverage methodology | Choose if existing toolchain alignment with SPC5 Studio and AUTOSAR BSW stack outweighs hardware feature trade-offs |
Compared with R7F7010323AFE#KA4, the R7F7010293AFE#KA4 offers lower cost and power for ASIL-B/C applications lacking SENT, while the SPC58EC80E5 provides alternative ecosystem support but requires added board-level components for SENT functionality and differs in safety mechanism implementation.
Availability
R7F7010323AFE#KA4 is available at Aetrix Electronics and suitable for engine control units, transmission control modules, and electric power steering systems requiring stable component supply under AEC-Q100 Grade 1 qualification and long-term automotive lifecycle support.
Supply support for R7F7010323AFE#KA4 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 RH850/F1KH product line delivers high-performance, safety-certified MCUs for next-generation automotive powertrain and chassis control, designed specifically to meet ISO 26262 ASIL-D requirements with integrated hardware safety mechanisms.
FAQ
What safety certifications does the R7F7010323AFE#KA4 hold?
The R7F7010323AFE#KA4 is designed to support ISO 26262 ASIL-D compliance through hardware features including dual-core lockstep execution, Safety Management Unit (SMU), ECC-protected memory, and diagnostic firmware libraries. It is AEC-Q100 Grade 1 qualified (−40°C to +125°C) and includes documentation for FMEDA, FMEA, and safety manual generation. The R7F7010323AFE#KA4 itself is not pre-certified; final system-level certification requires customer-specific integration and validation per ISO 26262 Part 5 and Part 6.
Does the R7F7010323AFE#KA4 support CAN FD with simultaneous classic CAN operation?
Yes, the R7F7010323AFE#KA4 supports concurrent operation of CAN FD and classic CAN on separate channels. It integrates three independent CAN FD controllers (CAN0–CAN2), each configurable for either CAN FD (up to 5 Mbps data phase) or legacy CAN 2.0B (1 Mbps). Channel isolation ensures no arbitration interference between modes, enabling hybrid network architectures such as CAN FD backbone with legacy sensor nodes on dedicated channels.
What is the maximum ADC sampling rate achievable on the R7F7010323AFE#KA4?
The R7F7010323AFE#KA4 achieves a maximum ADC conversion rate of 800 kSPS (1.25 μs per 12-bit sample) using hardware triggers synchronized to timer units. With 48 input channels and configurable scan sequences, it supports continuous burst mode with automatic channel sequencing and DMA transfer to SRAM-enabling real-time acquisition of multiple engine sensor signals (e.g., throttle position, manifold pressure, coolant temperature) without CPU intervention.
How is flash programming handled on the R7F7010323AFE#KA4 during field updates?
The R7F7010323AFE#KA4 supports in-application programming (IAP) via its on-chip flash controller, enabling secure over-the-air (OTA) updates without halting real-time control tasks. It implements read-while-write capability, ECC-protected write cycles, and sector locking to prevent accidental erasure. Flash programming requires execution from SRAM or protected flash segments, and all writes undergo hardware CRC and ECC verification before commit-ensuring integrity of R7F7010323AFE#KA4 firmware updates in safety-critical deployments.
What debug and trace capabilities are available on the R7F7010323AFE#KA4?
The R7F7010323AFE#KA4 includes IEEE 1149.1 JTAG and Nexus Class 3+ debug interfaces supporting real-time instruction trace, data trace, and complex breakpoint logic. It provides dedicated trace ports (ETM/ITM) with 128-entry program trace buffer and timestamped data capture, enabling root-cause analysis of timing violations and lockstep divergence events. Debug access remains fully functional in all power modes except deep standby, and security fuses allow selective lockdown of debug features per production configuration.
R7F7010323AFE#KA4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 176-LQFP
- Series:
- RH850/F1L
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- RH850G3K
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- CANbus, CSI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- DMA, PWM, WDT
- Number of I/O:
- 150
- Program Memory Size:
- 768KB (768K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 32K x 8
- RAM Size:
- 96K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 28x10b, 32x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F7010323AFE#KA4 FAQ
1.How can I place an order for R7F7010323AFE#KA4 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F7010323AFE#KA4 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for R7F7010323AFE#KA4 reliable?
The price and inventory of R7F7010323AFE#KA4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F7010323AFE#KA4 is usually 5 days.
3.What payment methods are accepted for R7F7010323AFE#KA4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F7010323AFE#KA4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F7010323AFE#KA4?
R7F7010323AFE#KA4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F7010323AFE#KA4 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for R7F7010323AFE#KA4?
For technical support, including R7F7010323AFE#KA4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F7010323AFE#KA4 requirements.
6.How does Aetrix verify that R7F7010323AFE#KA4 is sourced from the original manufacturer or authorized distributors?
All R7F7010323AFE#KA4 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that R7F7010323AFE#KA4 meets industry standards.
7.What is the process for return or replacement of R7F7010323AFE#KA4?
All R7F7010323AFE#KA4 units undergo pre-shipment inspection (PSI). If there is an issue with R7F7010323AFE#KA4, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The R7F7010323AFE#KA4 part is unused and in its original packaging.
Return procedure for R7F7010323AFE#KA4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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