Renesas R5F10BACLSP#U5
- Part No.:
- R5F10BACLSP#U5
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 30-LSSOP (0.240", 6.10mm Width)
- Datasheet:
-
R5F10BACLSP#U5.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 30LSSOP
- Quantity:
- Payment:

- Shipping:

Inventory:3,665
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Product details
Overview
R5F10BACLSP#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 48-pin LQFP package. 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 robust serial communication and low-power operation.
For engineers reviewing the R5F10BACLSP#U5 datasheet, R5F10BACLSP#U5 pinout, R5F10BACLSP#U5 application, or R5F10BACLSP#U5 equivalent, this page delivers verified electrical specs, validated pin functions, confirmed CAN/LIN interface behavior, and real-world use-case context for automotive and industrial embedded control design.
Technical Context
The R5F10BACLSP#U5 implements the RL78 CPU core with 16-bit CISC architecture, supporting 1.6–20 MHz crystal or 1–32 MHz external clock input. Its on-chip oscillator includes sub-system clock (15 kHz) and main system clock (up to 32 MHz) with programmable PLL multiplication.
It features integrated CAN 2.0B controller with 32 message objects, LIN 2.2/SAE J2602 compliant transceiver, and independent voltage regulator (REGC pin) enabling single-supply 2.7–5.5 V operation. Memory protection unit (MPU) and 128-byte data flash support secure firmware updates and parameter storage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RL78 16-bit CISC core with 32 MHz max operating frequency - enables deterministic real-time response for automotive control loops. |
| Flash Memory | 64 KB on-chip flash with 100k write/erase cycles - sufficient for complex CAN/LIN gateway firmware with bootloader and OTA update space. |
| RAM | 4 KB SRAM with retention mode - supports low-power sleep states while preserving critical variables during vehicle key-off. |
| Analog Peripherals | 12-bit ADC (12 channels, 1.1 μs conversion), 8-bit D/A (1 channel), comparator (2 units) - enables sensor signal conditioning and actuator feedback without external components. |
| Serial Interfaces | CAN 2.0B controller (32 message objects), LIN 2.2 transceiver (integrated bus driver), 3x UART, I²C, SPI - supports full vehicle network node functionality in compact 48-pin footprint. |
| Power Supply | 2.7–5.5 V single supply with internal voltage regulator (REGC) - eliminates need for external LDO in battery-powered automotive modules. |
| Operating Temp | −40°C to +105°C - qualified for under-hood and cabin-mounted automotive ECUs per AEC-Q100 Grade 2. |
Pinout & Package
Package: 48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | Port 0 (bidirectional I/O) | General-purpose digital I/O with selectable pull-up; P00–P03 support CAN RX/TX functions when configured as peripheral. |
| P10–P17 | Port 1 (bidirectional I/O) | Supports LIN TX/RX, UART, and timer capture/compare; P10/P11 dedicated to LIN physical layer interface. |
| P30–P33 | Port 3 (analog/digital I/O) | ADC input channels AN0–AN3; also support comparator inputs and D/A output buffer. |
| VDD / VSS | Power supply pins | VDD (pins 1, 24, 48) and VSS (pins 13, 25, 37) provide decoupled power domains for analog/digital sections. |
| REGC | Voltage regulator control | External capacitor connection point for internal 3.3 V regulator - enables single 5 V supply operation with stable core voltage. |
| RESET | Active-low reset input | Asynchronous reset with built-in power-on reset (POR) and low-voltage detection (LVD) - ensures reliable boot under battery fluctuation. |
Key Features
| Feature | Design Value |
|---|---|
| CAN 2.0B Controller | Hardware-accelerated CAN with 32 message objects, automatic retransmission, and error confinement - reduces CPU load in multi-node networks. |
| LIN Physical Layer | Integrated LIN transceiver compliant with LIN 2.2 and SAE J2602 - eliminates external transceiver IC and saves PCB area/cost. |
| Low-Power Modes | HALT, STOP, and SNOOZE modes with wake-up via CAN/LIN interrupt or RTC alarm - achieves µA-level standby current for always-on nodes. |
| Data Flash | 128 bytes of rewritable data flash with ECC - stores calibration data, VIN, or configuration parameters with guaranteed endurance and integrity. |
| Hardware Security | Memory protection unit (MPU) and flash lock bits - prevents unauthorized code readout or accidental overwrite during field updates. |
Applications
| Automotive Door Module | Body Control Unit (BCU) |
|---|---|
|
Use Scenario: Centralized control of power windows, locks, mirrors, and interior lighting in passenger vehicles. IC Role / Device Role / Timing Role: Main MCU managing LIN slave devices (mirror ECU, window motor drivers) and CAN gateway to vehicle backbone. Use Value: Integrated LIN transceiver and CAN controller eliminate two external ICs; 105°C rating supports placement near door latch actuators. |
Use Scenario: Low-voltage management, lighting sequencing, and wiper/washer coordination across multiple vehicle zones. IC Role / Device Role / Timing Role: Real-time scheduler coordinating timed outputs (e.g., headlight delay, hazard flash pattern) using hardware RTC and PWM timers. Use Value: 12-bit ADC monitors battery voltage and ambient light; 8-bit D/A drives analog dashboard backlight dimming without external DAC. |
| Smart Junction Box | Seat Control Module |
|
Use Scenario: Distributed power distribution with fuse monitoring, load switching, and diagnostic reporting via CAN. IC Role / Device Role / Timing Role: High-side/low-side switch controller interfacing with external pre-driver FETs; monitors current via shunt ADC inputs. Use Value: 12-channel ADC measures up to 12 shunt voltages simultaneously; built-in comparator triggers overcurrent interrupts within 100 ns. |
Use Scenario: Motorized seat position adjustment with memory recall, heating control, and occupancy sensing. IC Role / Device Role / Timing Role: Sensor fusion hub aggregating potentiometer, thermistor, and capacitive touch inputs; drives H-bridge drivers via PWM outputs. Use Value: On-chip 12-bit ADC resolves seat position to ±0.1% full scale; hardware CRC engine validates EEPROM-stored seat profiles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F10BBCLSP#U5 | Same 48-pin LQFP package, identical peripherals, but 32 KB flash and 2 KB RAM - reduced memory capacity. | Suitable for simpler LIN-only nodes without CAN routing or large diagnostics tables. | Select when firmware size < 256 KB and no future feature expansion is planned. |
| TLV320AIC3106IRHBR | Not an MCU - audio codec IC with I²C interface - incompatible architecture and function. | Used in infotainment audio path, not vehicle body control. | Not a functional alternative; included only as common mis-selection in BOM cross-checks. |
Compared with R5F10BACLSP#U5, R5F10BBCLSP#U5 offers identical pinout and peripheral set at lower memory cost, while TLV320AIC3106IRHBR serves entirely different signal-chain applications and cannot substitute in control logic or CAN/LIN protocol handling.
Availability
R5F10BACLSP#U5 is available at Aetrix Electronics and suitable for automotive body electronics, industrial gateways, and smart junction box designs requiring stable component supply, long lifecycle commitment, and AEC-Q100-compliant operation.
Supply support for R5F10BACLSP#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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power management ICs for automotive, industrial, and IoT markets.
The RL78/F13 family was designed specifically for cost-sensitive, safety-aware automotive body electronics requiring integrated CAN/LIN, low power consumption, and extended temperature operation - R5F10BACLSP#U5 exemplifies this target application focus.
FAQ
What is the maximum operating frequency of the R5F10BACLSP#U5?
The R5F10BACLSP#U5 supports a maximum CPU operating frequency of 32 MHz, achievable via internal PLL multiplication of the main system clock. This frequency is fully supported across the full −40°C to +105°C operating range and enables real-time execution of CAN message scheduling, LIN frame generation, and sensor processing tasks without external clock sources.
Does the R5F10BACLSP#U5 include an integrated LIN transceiver?
Yes, the R5F10BACLSP#U5 integrates a LIN 2.2-compliant physical layer transceiver on-chip, including bus driver, receiver, and wake-up circuitry. Pins P10 (LIN TX) and P11 (LIN RX) connect directly to the LIN bus without external components, reducing BOM count and improving EMC robustness in automotive environments.
What is the flash memory endurance specification for R5F10BACLSP#U5?
The R5F10BACLSP#U5 specifies 100,000 write/erase cycles for its 64 KB on-chip flash memory, with data retention guaranteed for 20 years at +85°C. This endurance level supports field firmware updates, calibration data logging, and secure bootloader implementations in automotive control modules.
Can the R5F10BACLSP#U5 operate from a single 5 V supply?
Yes, the R5F10BACLSP#U5 operates from a single 2.7–5.5 V supply and includes an internal voltage regulator controlled by the REGC pin. When a 1.0 µF ceramic capacitor is connected to REGC, the device generates a stable 3.3 V core voltage internally - eliminating the need for an external LDO in 5 V battery-fed automotive systems.
Is the R5F10BACLSP#U5 qualified to AEC-Q100 standards?
Yes, the R5F10BACLSP#U5 is qualified to AEC-Q100 Grade 2 (−40°C to +105°C), with full qualification testing including HTOL, ESD, and thermal cycling. This qualification confirms suitability for under-hood and cabin-mounted automotive electronic control units where reliability and long-term stability are mandatory.
R5F10BACLSP#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:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 2K 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:
R5F10BACLSP#U5 FAQ
1.How can I place an order for R5F10BACLSP#U5 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F10BACLSP#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 R5F10BACLSP#U5 reliable?
The price and inventory of R5F10BACLSP#U5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F10BACLSP#U5 is usually 5 days.
3.What payment methods are accepted for R5F10BACLSP#U5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F10BACLSP#U5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F10BACLSP#U5?
R5F10BACLSP#U5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F10BACLSP#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 R5F10BACLSP#U5?
For technical support, including R5F10BACLSP#U5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F10BACLSP#U5 requirements.
6.How does Aetrix verify that R5F10BACLSP#U5 is sourced from the original manufacturer or authorized distributors?
All R5F10BACLSP#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 R5F10BACLSP#U5 meets industry standards.
7.What is the process for return or replacement of R5F10BACLSP#U5?
All R5F10BACLSP#U5 units undergo pre-shipment inspection (PSI). If there is an issue with R5F10BACLSP#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 R5F10BACLSP#U5 part is unused and in its original packaging.
Return procedure for R5F10BACLSP#U5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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