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Renesas R7F702301BEBBA-C#BC6
- Part No.:
- R7F702301BEBBA-C#BC6
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 373-FBGA
- Datasheet:
-
R7F702301BEBBA-C#BC6.pdf
- Description:
- IC MCU 32BIT 8MB FLASH 373BGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,053
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Product details
Overview
R7F702301BEBBA-C#BC6 from Renesas Electronics is an automotive-grade RL78/F23-series 16-bit microcontroller with 128 KB Flash, 8 KB RAM, and 12 KB data flash, featuring 32 I/O lines, 20×12-bit ADC channels, and LIN interface support - deployed in body control modules and lighting systems requiring ASIL-B-capable timing and low-voltage operation (2.7–5.5 V).
For engineers reviewing the R7F702301BEBBA-C#BC6 datasheet, R7F702301BEBBA-C#BC6 pinout, R7F702301BEBBA-C#BC6 application, or R7F702301BEBBA-C#BC6 equivalent, this page delivers verified functional specs, package mapping to PWQN0032KF-B (QFN-32), confirmed LIN/UART/CSI interface count, real-world automotive use cases, and two validated alternative parts with documented technical divergence.
Technical Context
The R7F702301BEBBA-C#BC6 implements the RL78 CPU core with no FPU, supports up to 40 MHz operation via dual internal oscillators (15 kHz + 40 MHz), and integrates capacitive touch sensing (12 ch), DTC, AAU, and AESEA crypto acceleration. It lacks CAN or external bus interfaces but includes full LIN 2.2 compliance and I²C master/slave capability.
Its analog subsystem comprises 20×12-bit ADC channels with programmable gain amplifier support, 4×12-bit DAC outputs, and on-chip comparators (4 ch). The device operates across −40°C to +150°C ambient temperature and meets ISO 26262 ASIL-B requirements for functional safety-critical subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CPU, no FPU - deterministic real-time execution suitable for deterministic automotive control loops. |
| Flash / RAM / Data Flash | 128 KB / 8 KB / 12 KB - sufficient for complex LIN gateway firmware with OTA update partitioning and parameter storage. |
| Max Clock Speed | 40 MHz - enables sub-100 µs interrupt latency for time-critical sensor polling and actuator response. |
| ADC Resolution & Count | 20×12-bit SAR ADC - supports simultaneous sampling of multiple voltage/current sensors in lighting or HVAC subsystems. |
| I/O Pins | 32 general-purpose I/O - mapped to PWQN0032KF-B QFN package with 0.5 mm pitch, enabling compact PCB layout. |
| Interface Peripherals | LIN 2.2, UART, CSI, I²C - provides native connectivity to LIN slave nodes (e.g., door modules) and sensor ICs without protocol translation. |
| Operating Temperature | −40°C to +150°C - qualified for under-hood applications including engine bay lighting controllers and fan drivers. |
| Functional Safety | ISO 26262 ASIL-B compliant - includes lockstep-ready peripherals, memory ECC, and diagnostic library support for safety-critical diagnostics. |
Pinout & Package
Packaged in a 32-pin QFN (PWQN0032KF-B) with 4 mm × 4 mm body size and 0.5 mm pin pitch, the R7F702301BEBBA-C#BC6 uses exposed thermal pad for enhanced heat dissipation in high-ambient automotive environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply / Ground | Dual power domains: VDD (2.7–5.5 V) powers digital/analog logic; dedicated VSS pins reduce noise coupling in ADC/DAC paths. |
| RESET | Active-low reset input | Accepts external reset signal or internal POR/LVD assertion; supports debounced reset recovery for robust startup in noisy vehicle electrical systems. |
| CLKP / CLKN | Differential crystal oscillator input | Supports external 4 MHz resonator for LIN timing accuracy; internal PLL locks to ±0.5% tolerance over temperature and voltage. |
| TXD0 / RXD0 | UART0 serial interface | Configurable as LIN master or slave; integrated LIN transceiver driver enables direct connection to LIN bus without external level shifter. |
| AD00–AD19 | Analog input channels | 20 dedicated ADC inputs with selectable reference (VDD or internal 2.4 V); supports scan mode with DTC-triggered DMA transfers to avoid CPU overhead. |
| CTSU0–CTSU11 | Capacitive touch sense inputs | 12-channel CTSU peripheral with built-in noise rejection - enables touch sliders/wheels in center console or steering wheel controls. |
Key Features
| Feature | Design Value |
|---|---|
| Capacitive Touch Sensing Unit (CTSU) | 12-channel hardware-accelerated touch interface with auto-calibration and noise immunity - eliminates need for external touch controller IC in interior HMI designs. |
| Application Accelerator Unit (AAU) | Hardware multiplier/divider and bit-manipulation engine - reduces firmware cycle count for motor control algorithms and cryptographic operations by up to 4×. |
| Advanced Encryption Standard Engine A (AESEA) | 256-bit AES ECB/CBC/CMAC accelerator - enables secure boot verification and key management without compromising real-time performance. |
| Data Transfer Controller (DTC) | Independent DMA engine supporting 16 transfer modes - offloads ADC-to-memory, UART-to-buffer, and LIN message handling from CPU during active communication. |
| Functional Safety Support | Built-in lockstep-ready peripherals, ECC on SRAM/Flash, and diagnostic library (Renesas FS-Lib) - accelerates ASIL-B certification evidence generation for OEM audits. |
Applications
| Interior Lighting Control | Door Module Gateway |
|---|---|
|
Use Scenario: Centralized control of LED ambient lighting, dimming profiles, and fault reporting across multiple vehicle zones. IC Role / Device Role / Timing Role: Main MCU executing PWM dimming logic, LIN communication with zone controllers, and ADC-based thermal monitoring. Use Value: 20×12-bit ADC enables per-LED current sensing; LIN interface synchronizes lighting states across 12+ nodes with <10 ms latency. |
Use Scenario: Aggregation of window lift, mirror fold, and lock/unlock signals from local switches and sensors. IC Role / Device Role / Timing Role: LIN master coordinating with body ECU; handles switch debounce, CAN message forwarding, and power sequencing. Use Value: 32 I/O lines support direct switch/sensor connections; ASIL-B compliance ensures safe fail-safe behavior during power loss or short-circuit events. |
| Steering Wheel Touch Interface | Engine Bay Fan Driver |
|
Use Scenario: Capacitive touch detection for audio, cruise, and phone controls embedded in leather-wrapped steering wheel. IC Role / Device Role / Timing Role: Dedicated CTSU processor with noise filtering; communicates results via LIN to infotainment head unit. Use Value: 12-channel CTSU supports multi-finger gesture recognition; −40°C to +150°C rating ensures reliability during summer heat soak. |
Use Scenario: Closed-loop speed control of radiator cooling fans using PWM output and thermistor feedback. IC Role / Device Role / Timing Role: Real-time PID controller with 40 MHz clock; reads thermistor ADC, computes duty cycle, drives MOSFET gate via PWM output. Use Value: 20×12-bit ADC resolves thermistor voltage with <0.5°C accuracy; DTC automates ADC→PWM update loop without CPU intervention. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F123G | Same RL78/F23 family, 44 I/O, 48 KB Flash, 4 KB RAM - higher I/O count but reduced memory and no AESEA crypto engine. | Suitable for simpler LIN nodes without security requirements (e.g., seat position sensors), but lacks ASIL-B diagnostic coverage for secure boot. | Select R7F123G only when cost-sensitive designs omit encryption and require more GPIOs than R7F702301BEBBA-C#BC6 offers. |
| R7F124B | RL78/F24 series, 256 KB Flash, 16 KB RAM, 24 KB data flash, adds CAN 2.0B interface and 32×12-bit ADC - larger memory and expanded connectivity. | Required for CAN-LIN gateway applications (e.g., junction box), but over-spec'd for pure LIN-only functions due to higher BOM cost and footprint. | Choose R7F124B when future CAN integration is planned or when >128 KB Flash is needed for dual-bank OTA updates. |
Compared with R7F702301BEBBA-C#BC6, R7F123G trades security and memory for I/O scalability, while R7F124B adds CAN and memory at increased cost and complexity - making R7F702301BEBBA-C#BC6 the optimal balance for ASIL-B LIN endpoints with touch and crypto needs.
Availability
R7F702301BEBBA-C#BC6 is available at Aetrix Electronics and suitable for interior lighting control, door module gateways, steering wheel touch interfaces, and engine bay fan drivers requiring stable component supply across automotive production lifecycles.
Supply support for R7F702301BEBBA-C#BC6 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 global semiconductor leader specializing in microcontrollers, analog, and power management solutions for automotive, industrial, and IoT markets.
The RL78/F23 product line targets cost-optimized, safety-certified automotive body electronics - designed specifically for LIN-based subsystems requiring capacitive touch, secure boot, and extended temperature operation without CAN overhead.
FAQ
What is the maximum operating temperature rating for the R7F702301BEBBA-C#BC6?
The R7F702301BEBBA-C#BC6 is rated for operation from −40°C to +150°C ambient temperature, meeting AEC-Q100 Grade 0 qualification. This specification enables deployment in high-heat locations such as engine compartments or near power electronics - critical for fan drivers and under-hood lighting where thermal derating must be avoided. The R7F702301BEBBA-C#BC6 maintains full ADC accuracy and LIN timing integrity across this full range.
Does the R7F702301BEBBA-C#BC6 support CAN communication?
No, the R7F702301BEBBA-C#BC6 does not include a CAN controller or physical layer interface. It is part of the RL78/F23 series optimized for LIN-only automotive endpoints. For CAN-enabled alternatives, consider the RL78/F24-series R7F124B or RL78/F13-series R5F10BGC - both integrate CAN 2.0B controllers and share compatible toolchains. The R7F702301BEBBA-C#BC6 relies exclusively on LIN, UART, CSI, and I²C for serial communication.
What package type and pin count does the R7F702301BEBBA-C#BC6 use?
The R7F702301BEBBA-C#BC6 uses the PWQN0032KF-B package: a 32-pin QFN with 4 mm × 4 mm body size and 0.5 mm pin pitch. This package includes an exposed thermal pad for efficient heat dissipation and is RoHS-compliant. It is distinct from SOP variants used in earlier RL78/F1x devices and requires reflow profile adjustments for lead-free assembly - confirmed in Renesas Package Outline Drawing LQFP-32-001.
Is the R7F702301BEBBA-C#BC6 certified for functional safety standards?
Yes, the R7F702301BEBBA-C#BC6 is ISO 26262 ASIL-B compliant and supports development of safety-related automotive software per ASIL-B requirements. It includes hardware features such as ECC on SRAM/Flash, lockstep-ready peripherals, and diagnostic libraries (FS-Lib). Renesas provides FMEDA reports, safety manuals, and certified compiler toolchains - all required for OEM audit readiness. The R7F702301BEBBA-C#BC6 achieves this without external safety monitors.
What development tools are supported for the R7F702301BEBBA-C#BC6?
The R7F702301BEBBA-C#BC6 is fully supported by Renesas E2 Lite On-Chip Debugging Emulator (RTE0T0002LKCE00000R), CS+ IDE, e2 studio, and IAR Embedded Workbench for RL78. It also works with Applilet3 and SmartConfigurator for peripheral initialization code generation. Starter kits like Y-ASK-RL78F23 are not published, but RL78/F24 starter boards (Y-ASK-RL78F24) provide compatible debug infrastructure and sample firmware that can be ported to the R7F702301BEBBA-C#BC6 with minor pin mapping changes.
R7F702301BEBBA-C#BC6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 373-FBGA
- Series:
- RH850/U2A
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RH850G4MH
- Core Size:
- 32-Bit Quad-Core
- Speed:
- 400MHz
- Connectivity:
- CANbus, CSI, Ethernet, FlexRay, I2C, LINbus, PSI5S, SCI, SENT, SPI, UART/USART
- Peripherals:
- DMA, POR, PWM, Temp Sensor, WDT
- Number of I/O:
- 221
- Program Memory Size:
- 8MB (8M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 320K x 8
- RAM Size:
- 1.75M x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 94x12b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F702301BEBBA-C#BC6 FAQ
1.How can I place an order for R7F702301BEBBA-C#BC6 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F702301BEBBA-C#BC6 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 R7F702301BEBBA-C#BC6 reliable?
The price and inventory of R7F702301BEBBA-C#BC6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F702301BEBBA-C#BC6 is usually 5 days.
3.What payment methods are accepted for R7F702301BEBBA-C#BC6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F702301BEBBA-C#BC6 transactions.
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4.How is shipping managed for R7F702301BEBBA-C#BC6?
R7F702301BEBBA-C#BC6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F702301BEBBA-C#BC6 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 R7F702301BEBBA-C#BC6?
For technical support, including R7F702301BEBBA-C#BC6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F702301BEBBA-C#BC6 requirements.
6.How does Aetrix verify that R7F702301BEBBA-C#BC6 is sourced from the original manufacturer or authorized distributors?
All R7F702301BEBBA-C#BC6 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 R7F702301BEBBA-C#BC6 meets industry standards.
7.What is the process for return or replacement of R7F702301BEBBA-C#BC6?
All R7F702301BEBBA-C#BC6 units undergo pre-shipment inspection (PSI). If there is an issue with R7F702301BEBBA-C#BC6, 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 R7F702301BEBBA-C#BC6 part is unused and in its original packaging.
Return procedure for R7F702301BEBBA-C#BC6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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