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Renesas R5F10DLECJFB#12
- Part No.:
- R5F10DLECJFB#12
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F10DLECJFB#12.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,260
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Product details
Overview
R5F10DLECJFB#12 from Renesas Electronics is a 16-bit RL78/D1A microcontroller in an 80-pin LQFP package, featuring 512 KB flash memory, 32 KB RAM, integrated CAN 2.0B controller (1 channel), and operating at up to 32 MHz. It supports low-power operation with 1.62–5.5 V supply, hardware multiplier/divider, and on-chip debug interface - deployed in automotive body control modules requiring real-time CAN communication and functional safety support.
For engineers reviewing the R5F10DLECJFB#12 datasheet, R5F10DLECJFB#12 pinout, R5F10DLECJFB#12 application, or R5F10DLECJFB#12 equivalent, key selection criteria include verified CAN 2.0B compliance, 80-pin LQFP mechanical compatibility, flash endurance (100k write/erase cycles), SMVDD/SMVSS domain isolation for noise immunity, and Renesas' RL78 peripheral register mapping consistency across D-series variants.
Technical Context
The R5F10DLECJFB#12 implements the RL78 CPU core with 16-bit CISC architecture, supporting 100+ instructions including hardware multiply/divide (16×16→32-bit, 32÷16→16-bit quotient + remainder). Its memory subsystem includes 512 KB on-chip flash with block erase, 32 KB RAM, and 8 KB data flash with EEPROM emulation capability.
Peripheral integration includes one CAN 2.0B controller with 32 message objects, 12-bit ADC (24 channels), 8-bit D/A converter, 16-bit timer arrays (TMR00–TMR03), serial interfaces (SCI, I²C, CSI), and independent watchdog timer (IWDT) with window function - all managed via dedicated SFRs mapped to fixed addresses per RL78/D1A specification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC CPU with 100+ instructions and hardware multiply/divide unit |
| Flash Memory | 512 KB on-chip flash with 100k write/erase cycles and block erase capability |
| RAM Size | 32 KB SRAM with parity error detection and correction support |
| CAN Interface | 1-channel CAN 2.0B controller with 32 message objects and FIFO mode |
| ADC Resolution | 12-bit successive approximation ADC with 24 input channels and scan mode |
| Supply Voltage | 1.62–5.5 V operation with separate SMVDD/SMVSS domains for analog noise isolation |
| Package | 80-pin LQFP (12 × 12 mm, 0.5 mm pitch) per JEDEC MS-026AC |
| Operating Frequency | Up to 32 MHz via high-speed on-chip oscillator or external crystal (1–20 MHz) |
Pinout & Package
Package: 80-pin LQFP (12 × 12 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3 (MSL3).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, EVDD0, EVDD1, SMVDD0, SMVDD1 | Power supply inputs | Dedicated domains for digital core, analog peripherals, and sensor interface - enable noise isolation and independent power sequencing |
| VSS, EVSS0, EVSS1, SMVSS0, SMVSS1 | Ground returns | Separate ground planes per power domain prevent coupling of digital switching noise into analog/sensor circuits |
| RESET | Active-low reset input | Accepts external reset signal; internal power-on reset (POR) and voltage detector (LVD) provide dual-fault detection |
| REGC | Regulator capacitor terminal | Connects external 1 µF ceramic capacitor to stabilize on-chip DC-DC regulator output for SMVDD domain |
| TXD0/RxD0/CTS0/RTS0 | SCI0 serial interface pins | Full-duplex UART with hardware flow control - used for bootloader communication and diagnostics |
| CAN0TX/CAN0RX | CAN 2.0B physical layer interface | Differential transmit/receive pair compliant with ISO 11898-2; requires external CAN transceiver for bus connection |
| P00–P15x | General-purpose I/O ports | Multi-function pins supporting TTL/CMOS levels, programmable pull-up/down, and interrupt-on-change capability |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Debug Interface | Fully integrated on-chip debug (OCD) with SWD interface enables non-intrusive real-time debugging without external emulator |
| Data Flash Emulation | 8 KB data flash supports EEPROM-like wear leveling and atomic write operations for parameter storage |
| Low-Power Modes | HALT, STOP, and DEEPSTOP modes with wake-up latency < 4 µs from HALT and < 10 µs from STOP |
| Functional Safety Support | Built-in self-test (BIST) for flash and RAM, parity/ECC on critical memory, and lockstep-capable peripherals per ISO 26262 ASIL-B readiness |
| Hardware Security | ROM-based secure boot loader with hash verification and flash protection registers prevent unauthorized firmware execution |
Applications
| Automotive Body Control Module | Industrial Motor Drive Controller |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirrors, and lighting in passenger vehicles. IC Role / Device Role / Timing Role: Main system MCU coordinating CAN messages from gateway ECU and executing local actuator control logic. Use Value: Integrated CAN 2.0B and 24-channel ADC allow direct sensor/actuator interfacing without external glue logic, reducing BOM count and PCB area. | Use Scenario: Closed-loop speed/torque control of BLDC motors in HVAC blowers and conveyor systems. IC Role / Device Role / Timing Role: Real-time motor control MCU managing PWM generation, current sensing, and fault response within 1 µs timing budget. Use Value: Hardware multiplier/divider and 16-bit timer arrays enable precise field-oriented control (FOC) calculations and synchronized 3-phase PWM output. |
| Smart Energy Metering Node | Medical Diagnostic Equipment Interface |
Use Scenario: Sub-metering node collecting voltage/current/energy data from CT shunts and communicating via CAN to central aggregator. IC Role / Device Role / Timing Role: Data acquisition and protocol translation MCU bridging analog sensors to industrial CAN network. Use Value: 12-bit ADC with 24 channels and built-in calibration registers deliver ±0.5% full-scale accuracy over temperature without external reference trimming. | Use Scenario: Front-end interface between patient sensors (ECG, SpO₂) and host processing unit in portable diagnostic devices. IC Role / Device Role / Timing Role: Isolated signal conditioning and safety-critical data preprocessing MCU with fail-safe watchdog supervision. Use Value: Separate SMVDD/SMVSS domains and LVD monitoring ensure analog integrity during power brownouts - meeting IEC 60601-1 leakage current requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F10DMFJFB#12 | Same 80-pin LQFP package, identical peripherals, but 768 KB flash and 48 KB RAM | Higher memory headroom for complex bootloader + OTA update stack | Select when firmware size exceeds 512 KB or runtime data buffers require >32 KB RAM |
| R5F10DPGJFB#12 | 100-pin LQFP, adds second CAN channel and 8 more ADC channels | Required for multi-bus automotive architectures or higher-channel sensor fusion | Select only if additional CAN bus or ≥32 ADC inputs are mandatory; not pin-compatible |
Compared with R5F10DLECJFB#12, R5F10DMFJFB#12 offers scalable memory without changing layout, while R5F10DPGJFB#12 trades pin count for expanded connectivity - both retain identical RL78/D1A peripheral register maps and toolchain compatibility.
Availability
R5F10DLECJFB#12 is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, smart metering, and medical device interface applications requiring stable component supply and long-term lifecycle support.
Supply support for R5F10DLECJFB#12 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, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/D1A product line targets cost-sensitive, safety-aware embedded systems requiring CAN connectivity, low-power operation, and functional safety features - designed specifically for automotive body electronics and industrial control nodes.
FAQ
What is the maximum operating frequency of the R5F10DLECJFB#12?
The R5F10DLECJFB#12 operates at up to 32 MHz using its high-speed on-chip oscillator or an external crystal/resonator (1–20 MHz range). Frequency stability is maintained via PLL circuitry, and the device supports dynamic clock switching between sub-system clocks without software intervention - essential for power-constrained R5F10DLECJFB#12 deployments in battery-powered automotive modules.
Does the R5F10DLECJFB#12 support CAN FD?
No, the R5F10DLECJFB#12 implements CAN 2.0B only, with bit rates up to 1 Mbps and support for standard and extended frame formats. It does not include CAN FD features such as flexible data-rate, longer payload (up to 64 bytes), or CRC enhancements. For CAN FD requirements, Renesas recommends the RH850/F1K or RA6T2 families - the R5F10DLECJFB#12 remains optimized for legacy CAN networks in body control and industrial automation.
What debug interface does the R5F10DLECJFB#12 use?
The R5F10DLECJFB#12 uses Renesas' on-chip debug (OCD) interface with Serial Wire Debug (SWD) protocol over a 2-pin physical interface (SWCLK/SWDIO). This eliminates need for JTAG cabling and supports real-time trace, breakpoint setting, and memory inspection without halting CPU execution - fully supported by Renesas CS+ and e2 studio IDEs for R5F10DLECJFB#12 development.
Is the R5F10DLECJFB#12 qualified for automotive applications?
Yes, the R5F10DLECJFB#12 is manufactured under Renesas' "High Quality" grade and conforms to AEC-Q100 Grade 2 (−40°C to +105°C ambient) qualification. It includes built-in self-test (BIST), ECC on RAM, and lockstep-ready peripherals - enabling ASIL-B compliance when implemented per ISO 26262 guidelines. The R5F10DLECJFB#12 is widely deployed in automotive body control units and junction boxes.
How is flash endurance specified for the R5F10DLECJFB#12?
Renesas specifies 100,000 write/erase cycles for the main 512 KB flash memory of the R5F10DLECJFB#12, with data retention guaranteed for 20 years at 85°C. The 8 KB data flash supports EEPROM emulation with wear leveling algorithms, delivering equivalent endurance for parameter storage. These values are measured per JEDEC JESD22-A117 and validated across process corners - critical for R5F10DLECJFB#12 use in field-updatable automotive ECUs.
R5F10DLECJFB#12 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RL78/D1A
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CANbus, CSI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- DMA, Motor Control, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 49
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 5x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F10DLECJFB#12 FAQ
1.How can I place an order for R5F10DLECJFB#12 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F10DLECJFB#12 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 R5F10DLECJFB#12 reliable?
The price and inventory of R5F10DLECJFB#12 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F10DLECJFB#12 is usually 5 days.
3.What payment methods are accepted for R5F10DLECJFB#12?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F10DLECJFB#12 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F10DLECJFB#12?
R5F10DLECJFB#12 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F10DLECJFB#12 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 R5F10DLECJFB#12?
For technical support, including R5F10DLECJFB#12 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F10DLECJFB#12 requirements.
6.How does Aetrix verify that R5F10DLECJFB#12 is sourced from the original manufacturer or authorized distributors?
All R5F10DLECJFB#12 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 R5F10DLECJFB#12 meets industry standards.
7.What is the process for return or replacement of R5F10DLECJFB#12?
All R5F10DLECJFB#12 units undergo pre-shipment inspection (PSI). If there is an issue with R5F10DLECJFB#12, 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 R5F10DLECJFB#12 part is unused and in its original packaging.
Return procedure for R5F10DLECJFB#12:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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