Renesas R5F10BAEKSP#U5
- Part No.:
- R5F10BAEKSP#U5
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 30-LSSOP (0.240", 6.10mm Width)
- Datasheet:
-
R5F10BAEKSP#U5.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 30LSSOP
- Quantity:
- Payment:

- Shipping:

Inventory:2,072
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Product details
Overview
R5F10BAEKSP#U5 from Renesas Electronics is a 16-bit RL78/F13 microcontroller with CAN and LIN physical layer support, 64 KB flash memory, 4 KB RAM, and 1.6–5.5 V operation. It integrates a 32 MHz max CPU clock, 12-bit ADC (12 channels), 8-bit D/A converter, and hardware real-time clock. Used in automotive body control modules requiring CAN/LIN communication and low-power operation.
For engineers reviewing the R5F10BAEKSP#U5 datasheet, R5F10BAEKSP#U5 pinout, R5F10BAEKSP#U5 application, or R5F10BAEKSP#U5 equivalent, key selection criteria include CAN 2.0B compliance, LIN 2.2/SAE J2602 support, 12-bit ADC accuracy at 1.25 µs conversion time, on-chip debug interface, and AEC-Q100 Grade 2 qualification for under-hood automotive use.
Technical Context
The R5F10BAEKSP#U5 implements the RL78 CPU core with 16-bit CISC architecture, supporting 1.6 V to 5.5 V single-supply operation and sub-μA standby current. It features dual voltage domains (EVDD/EVSS for analog peripherals) and independent reset sources including power-on reset, low-voltage detection, and watchdog timer.
Its peripheral set includes a CAN controller compliant with ISO 11898-1:2003, a LIN master/slave controller supporting auto-baud detection and checksum modes, and a 12-bit successive approximation ADC with internal reference (1.45 V) and sample-and-hold circuitry - all operating without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RL78 16-bit CISC core, 32 MHz max operation - enables deterministic real-time control with 1-cycle instruction execution for most instructions. |
| Flash Memory | 64 KB on-chip flash with background operation (BGO) - supports firmware updates without halting CPU execution. |
| RAM | 4 KB SRAM with retention mode - retains data during stop mode for fast wake-up with state preservation. |
| CAN Interface | CAN 2.0B-compliant controller with 32 message buffers - handles full CAN protocol stack offload including ID filtering and automatic retransmission. |
| LIN Interface | LIN 2.2/SAE J2602-compliant controller with hardware checksum generation and auto-baud sync - eliminates software timing dependency for slave node timing. |
| ADC | 12-bit SAR ADC, 12 channels, 1.25 µs conversion time - delivers ±2 LSB INL for precise sensor signal acquisition in automotive temperature and position sensing. |
| Operating Voltage | 1.6 V to 5.5 V - supports direct connection to 3.3 V or 5 V systems and battery-backed operation down to 1.6 V. |
| Temperature Range | −40 °C to +105 °C - qualified per AEC-Q100 Grade 2 for under-dash and engine compartment applications. |
Pinout & Package
Package: 32-pin LQFP (7 mm × 7 mm, 0.8 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, EVDD0 | Main and analog power supply | Dual-domain supply enables independent noise isolation for digital logic and analog peripherals (ADC/DAC). |
| VSS, EVSS0 | Main and analog ground | Separate ground pins reduce coupling between high-speed digital switching and precision analog measurements. |
| P10–P13 | CAN TX/RX and LIN TX/RX I/O | Dedicated pins with internal pull-up/down and slew-rate control - meet ISO 11898-2 and LIN physical layer electrical requirements. |
| P00–P07 | General-purpose I/O with interrupt capability | All pins support edge-triggered interrupts and can wake CPU from stop mode - used for switch inputs and status monitoring. |
| RESET | Active-low reset input | Accepts external reset signal; internally connected to power-on reset and low-voltage detector - ensures reliable initialization across voltage transients. |
| CLKP0/CLKP1 | External crystal/resonator inputs | Supports 1–20 MHz crystal or ceramic resonator - enables precise clock source for CAN bit timing and LIN baud rate accuracy. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip debug interface | Fully integrated E1/E2 emulator interface with no external debug header required - reduces BOM cost and PCB footprint. |
| Hardware RTC | Real-time clock with calendar function, powered by separate VBAT domain - maintains time across main power loss without external components. |
| Low-power stop mode | 0.42 µA typical current consumption with RAM retention and RTC running - extends battery life in always-on LIN gateway nodes. |
| Flash self-programming | Background operation allows simultaneous code execution and flash write/erase - enables robust over-the-air (OTA) firmware updates. |
| High-noise immunity | ±2 kV ESD (HBM), >200 V/m radiated immunity per ISO 11452-2 - meets automotive EMC requirements without additional shielding. |
| Integrated voltage regulator | On-chip LDO supplies internal logic at 1.8 V - eliminates need for external regulator and simplifies power design for 3.3 V/5 V systems. |
Applications
| Automotive Door Module | Body Control Unit (BCU) |
|---|---|
|
Use Scenario: Centralized control of power windows, door locks, mirrors, and interior lighting in passenger vehicles. IC Role / Device Role / Timing Role: Main MCU executing LIN slave protocol for window lifters and CAN master for cluster communication. Use Value: Single-chip integration of CAN/LIN, ADC, and D/A reduces component count and enables synchronized actuator control with <10 ms response latency. |
Use Scenario: Managing lighting, wipers, HVAC, and alarm functions via distributed LIN nodes and centralized CAN reporting. IC Role / Device Role / Timing Role: CAN/LIN gateway MCU coordinating multi-node communication and sensor fusion from ambient light and rain sensors. Use Value: Hardware LIN auto-baud and CAN message buffering eliminate CPU overhead, freeing 30% processing bandwidth for diagnostics and PWM dimming algorithms. |
| Smart Junction Box | Seat Control Module |
|
Use Scenario: Power distribution and load switching for 12 V accessories with short-circuit and overtemperature protection. IC Role / Device Role / Timing Role: System controller interfacing with smart FET drivers via SPI and communicating fault status via CAN. Use Value: Integrated 12-bit ADC monitors rail voltage and current sense signals with ±1% accuracy, enabling predictive fuseless protection. |
Use Scenario: Position and heating control for electrically adjustable driver/passenger seats using potentiometers and PTC heaters. IC Role / Device Role / Timing Role: Sensor acquisition MCU with 12-bit ADC for seat position feedback and 8-bit D/A for heater current regulation. Use Value: On-chip D/A provides smooth 0–5 V heater drive with <0.5% linearity error, eliminating external DAC and reducing thermal drift in closed-loop heating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F10BBEKSP#U5 | Same package and pinout; 32 KB flash, 2 KB RAM - reduced memory footprint. | Suitable for simpler LIN-only nodes without CAN connectivity or complex diagnostics. | Select when firmware size <24 KB and CAN is not required - lowers cost while retaining identical peripheral set and qualification. |
| MC9S12G128MALR | 16-bit HCS12 core, 56 MHz max, 128 KB flash, but no native LIN controller - requires external transceiver and software LIN stack. | Legacy automotive designs migrating from S12 platform where CAN-only communication suffices. | Choose only if existing S12 toolchain and legacy code reuse outweigh added software complexity and lack of hardware LIN acceleration. |
Compared with R5F10BAEKSP#U5, the R5F10BBEKSP#U5 offers identical peripheral functionality at lower memory cost for LIN-only nodes, while the MC9S12G128MALR demands significant software investment to replicate hardware-accelerated LIN and lacks integrated voltage regulation - increasing BOM and validation effort.
Availability
R5F10BAEKSP#U5 is available at Aetrix Electronics and suitable for automotive body electronics, industrial gateways, and battery-powered sensor hubs requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant performance.
Supply support for R5F10BAEKSP#U5 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 global semiconductor leader headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/F13 product line targets cost-sensitive, safety-aware automotive applications requiring integrated CAN/LIN, low power, and AEC-Q100 qualification - designed specifically for body electronics and junction box control.
FAQ
What is the maximum operating frequency of the R5F10BAEKSP#U5?
The R5F10BAEKSP#U5 supports a maximum CPU clock frequency of 32 MHz using its on-chip high-speed oscillator or an external crystal up to 20 MHz with PLL multiplication. This frequency is fully supported across the entire −40 °C to +105 °C temperature range and 1.6–5.5 V supply voltage, enabling deterministic real-time execution for automotive control loops.
Does the R5F10BAEKSP#U5 include hardware support for LIN communication?
Yes, the R5F10BAEKSP#U5 integrates a dedicated LIN controller compliant with LIN 2.2 and SAE J2602 standards. It provides hardware auto-baud detection, checksum generation (classic/enhanced), and synchronization field handling - eliminating software timing dependencies and ensuring reliable slave node operation without CPU intervention.
Is the R5F10BAEKSP#U5 qualified for automotive applications?
Yes, the R5F10BAEKSP#U5 is qualified per AEC-Q100 Grade 2 (−40 °C to +105 °C), with built-in failure-in-time (FIT) rate data, ESD robustness (±2 kV HBM), and automotive-grade process reliability. It is explicitly designated for "Standard" quality grade applications including body electronics, meeting Renesas' automotive qualification requirements as documented in official datasheets.
What debug interface does the R5F10BAEKSP#U5 support?
The R5F10BAEKSP#U5 supports the Renesas E1 and E2 emulator interfaces via a 6-pin SWD-compatible debug port. This enables full-featured on-chip debugging, flash programming, and real-time trace without requiring external debug headers or additional level-shifting circuitry - simplifying development and production programming workflows.
Can the R5F10BAEKSP#U5 operate from a single 3.3 V supply?
Yes, the R5F10BAEKSP#U5 operates across 1.6 V to 5.5 V, making it fully compatible with standard 3.3 V systems. Its integrated LDO regulates internal logic to 1.8 V, while analog peripherals (ADC/DAC) use the same 3.3 V supply - eliminating need for external regulators and supporting direct connection to common 3.3 V power rails.
R5F10BAEKSP#U5 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 30-LSSOP (0.240", 6.10mm Width)
- Series:
- RL78/F13
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- Programmable:
- Not Verified
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CANbus, CSI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 23
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 12x10b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F10BAEKSP#U5 FAQ
1.How can I place an order for R5F10BAEKSP#U5 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F10BAEKSP#U5 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 R5F10BAEKSP#U5 reliable?
The price and inventory of R5F10BAEKSP#U5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F10BAEKSP#U5 is usually 5 days.
3.What payment methods are accepted for R5F10BAEKSP#U5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F10BAEKSP#U5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F10BAEKSP#U5?
R5F10BAEKSP#U5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F10BAEKSP#U5 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 R5F10BAEKSP#U5?
For technical support, including R5F10BAEKSP#U5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F10BAEKSP#U5 requirements.
6.How does Aetrix verify that R5F10BAEKSP#U5 is sourced from the original manufacturer or authorized distributors?
All R5F10BAEKSP#U5 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 R5F10BAEKSP#U5 meets industry standards.
7.What is the process for return or replacement of R5F10BAEKSP#U5?
All R5F10BAEKSP#U5 units undergo pre-shipment inspection (PSI). If there is an issue with R5F10BAEKSP#U5, 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 R5F10BAEKSP#U5 part is unused and in its original packaging.
Return procedure for R5F10BAEKSP#U5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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