Renesas R5F109LCCJFB#10
- Part No.:
- R5F109LCCJFB#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F109LCCJFB#10.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,180
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Product details
Overview
R5F109LCCJFB#10 from Renesas Electronics is a 16-bit RL78/F12 microcontroller in a 64-pin LQFP package, featuring 128 KB flash memory, 8 KB RAM, and integrated 10-bit ADC, UART, I²C, and SPI interfaces. It operates at up to 32 MHz with 1.8–5.5 V supply range and supports on-chip debug via FINE v3. It is used in industrial control panels requiring low-power real-time monitoring and communication.
For engineers reviewing the R5F109LCCJFB#10 datasheet, R5F109LCCJFB#10 pinout, R5F109LCCJFB#10 application, or R5F109LCCJFB#10 equivalent, key selection criteria include its 64-pin LQFP-0.5mm pitch package, 128 KB flash with EEPROM emulation, 32 MHz max CPU clock, and support for LIN bus via UART with automatic sync-break detection.
Technical Context
The R5F109LCCJFB#10 implements the RL78 CPU core with 3-stage pipeline, supporting 16-bit instructions and 1 MB address space. It integrates a 15-channel 10-bit ADC with hardware trigger synchronization to timer units and programmable gain amplifier (PGA) input on select channels.
Its peripheral set includes three 16-bit timer arrays (TAU) with complementary PWM output, one watchdog timer (WDT), and a real-time clock (RTC) with calendar function powered by VDD or backup battery. The MCU supports single-cycle multiplication and division, and includes a hardware multiplier unit for fast arithmetic operations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RL78 16-bit CISC core with 3-stage pipeline and 1 MB address space |
| Max Clock Speed | 32 MHz - enables real-time response within ≤31.25 ns instruction cycle time |
| Flash Memory | 128 KB - supports firmware updates and EEPROM emulation with 100K write/erase cycles |
| RAM Size | 8 KB - sufficient for stack, heap, and real-time data buffers in embedded control tasks |
| ADC Resolution | 10-bit - provides 1024-level analog sensing resolution across 15 channels with PGA input |
| Supply Voltage | 1.8–5.5 V - allows direct interface with 3.3 V and 5 V logic systems without level shifters |
| Operating Temp | −40°C to +85°C - qualified for industrial environments without derating |
Pinout & Package
Package: 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | Port 0 bidirectional I/O | Configurable as general-purpose I/O or alternate functions including UART0 TX/RX, I²C SCL/SDA |
| P10–P17 | Port 1 bidirectional I/O | Supports timer array outputs (TAU0/1), external interrupts (INTP0–INTP3), and comparator inputs |
| P20–P27 | Port 2 bidirectional I/O | Includes ADC input channels AN0–AN7 and SPI clock/data signals (SPI0) |
| P50–P55 | Port 5 bidirectional I/O | Provides LIN bus transceiver control (LINRX/LINTX) and additional ADC inputs AN12–AN14 |
| VDD, VSS | Power supply pins | Dual VDD/VSS pairs ensure stable core and I/O domain operation; decoupling required per Renesas layout guidelines |
| RESET | Active-low reset input | Accepts external reset signal or internal power-on reset; internal pull-up enabled by default |
| REGC | Regulator capacitor terminal | Connects 1.0 µF ceramic capacitor to stabilize on-chip voltage regulator output for analog peripherals |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Debug Interface | FINE v3 interface enables non-intrusive debugging and flash programming via single-wire connection |
| EEPROM Emulation | 128 KB flash includes dedicated area and firmware library for reliable 100K-cycle data storage without external EEPROM |
| LIN Bus Support | UART0 configured as LIN master/slave with automatic sync-break generation and checksum verification per LIN 2.2A |
| Low-Power Modes | Halt, Stop, and Snooze modes achieve ≤0.5 µA standby current with RTC active and RAM retention |
| Hardware Multiplier | Dedicated 16×16-bit multiplier completes operation in one CPU cycle, accelerating motor control and filtering algorithms |
Applications
| Industrial HMI Panel | Smart Sensor Node |
|---|---|
Use Scenario: Touch-enabled operator interface for PLC-connected machinery with local alarm logging and status display. IC Role / Device Role / Timing Role: Main controller executing UI rendering, serial protocol translation (Modbus RTU over RS-485), and non-volatile event logging. Use Value: 128 KB flash stores multiple UI assets and firmware versions; 8 KB RAM supports multitasking OS scheduler and buffer for RS-485 packet assembly. | Use Scenario: Battery-powered environmental sensor collecting temperature, humidity, and CO₂ via analog and I²C sensors. IC Role / Device Role / Timing Role: System-on-chip managing sensor acquisition, data preprocessing, and wireless module wake-up control via UART. Use Value: Snooze mode draws <0.5 µA while retaining RAM and RTC; 10-bit ADC achieves ±1 LSB INL for calibrated sensor readings. |
| Motor Drive Controller | Building Automation Gateway |
Use Scenario: Compact BLDC motor driver board with Hall-effect feedback, current sensing, and speed regulation. IC Role / Device Role / Timing Role: Real-time motion controller generating complementary PWM waveforms and sampling current feedback at 20 kHz. Use Value: TAU timer arrays deliver precise 150 ns dead-time insertion; hardware multiplier enables fast Clarke/Park transforms in <10 µs. | Use Scenario: DIN-rail mounted gateway aggregating BACnet MS/TP, KNX, and Modbus devices into IP network. IC Role / Device Role / Timing Role: Protocol bridge handling physical layer conversion, message parsing, and secure TLS offload coordination. Use Value: Dual UARTs support simultaneous MS/TP and Modbus RTU; 1.8–5.5 V operation tolerates legacy 24 V DC field bus supplies. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F109LDJFB#10 | Same package and pinout; 256 KB flash, 12 KB RAM - no change to PCB layout or firmware binary compatibility | Required when firmware image exceeds 128 KB or extended data logging buffer needed | Select if future firmware growth or dual-bank OTA update capability is required |
| R5F109LEJFB#10 | Same package and pinout; adds 4 KB data flash (DFLASH) for parameter storage with separate endurance rating (1M cycles) | Preferred for applications needing frequent calibration data or configuration writes independent of main flash wear | Choose when field-updatable device parameters require higher endurance than standard flash emulation |
Compared with R5F109LCCJFB#10, the R5F109LDJFB#10 offers double flash capacity for larger firmware or bootloader separation, while the R5F109LEJFB#10 adds dedicated high-endurance data flash-both retain identical peripheral sets, timing, and thermal specs for drop-in replacement where memory requirements scale.
Availability
R5F109LCCJFB#10 is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, motor drive controllers, and building automation gateways requiring stable component supply across multi-year production cycles.
Supply support for R5F109LCCJFB#10 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 industrial, automotive, and IoT markets.
The RL78/F12 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive industrial control, sensor fusion, and appliance applications with integrated analog peripherals and robust debug infrastructure.
FAQ
What is the maximum operating frequency of the R5F109LCCJFB#10?
The R5F109LCCJFB#10 operates at a maximum CPU clock frequency of 32 MHz. This is achieved using the on-chip high-speed oscillator (HOCO) or an external crystal/resonator up to 32 MHz. At this speed, the R5F109LCCJFB#10 delivers 31.25 ns instruction cycle time for deterministic real-time execution in control loops and communication stacks.
Does the R5F109LCCJFB#10 support EEPROM emulation out of the box?
Yes, the R5F109LCCJFB#10 supports EEPROM emulation using its 128 KB on-chip flash memory. Renesas provides the Flash Self-Programming Library (FSPL) and sample code to implement wear-leveling and atomic write routines. The R5F109LCCJFB#10's flash endurance is rated for 100,000 write/erase cycles in emulation mode, enabling reliable non-volatile parameter storage without external components.
What debug interface does the R5F109LCCJFB#10 use?
The R5F109LCCJFB#10 uses the FINE v3 (Fast In-Circuit Emulator) debug interface, which requires only a single-wire connection (plus ground) for full debugging, flash programming, and real-time trace. This interface is supported by Renesas E2 studio, CS+ IDE, and third-party tools like Segger J-Link with appropriate firmware. No external debug probe is needed beyond the standard SWD/JTAG adapter.
Is the R5F109LCCJFB#10 qualified for industrial temperature range?
Yes, the R5F109LCCJFB#10 is specified for operation from −40°C to +85°C ambient temperature and is classified as a "Standard" quality grade device per Renesas documentation. It meets industrial reliability requirements for long-term deployment in control cabinets, factory-floor sensors, and building automation equipment without thermal derating.
Can the R5F109LCCJFB#10 generate complementary PWM signals for motor control?
Yes, the R5F109LCCJFB#10 integrates three 16-bit Timer Array Units (TAU0, TAU1, TAU2), each capable of generating complementary PWM outputs with programmable dead-time insertion down to 150 ns. These timers support hardware synchronization to ADC triggers, enabling precise current-sensing timing in BLDC and PMSM motor drives without CPU intervention.
R5F109LCCJFB#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RL78/F12
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CSI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 48
- 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):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 12x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F109LCCJFB#10 FAQ
1.How can I place an order for R5F109LCCJFB#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F109LCCJFB#10 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 R5F109LCCJFB#10 reliable?
The price and inventory of R5F109LCCJFB#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F109LCCJFB#10 is usually 5 days.
3.What payment methods are accepted for R5F109LCCJFB#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F109LCCJFB#10 transactions.
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4.How is shipping managed for R5F109LCCJFB#10?
R5F109LCCJFB#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F109LCCJFB#10 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 R5F109LCCJFB#10?
For technical support, including R5F109LCCJFB#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F109LCCJFB#10 requirements.
6.How does Aetrix verify that R5F109LCCJFB#10 is sourced from the original manufacturer or authorized distributors?
All R5F109LCCJFB#10 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 R5F109LCCJFB#10 meets industry standards.
7.What is the process for return or replacement of R5F109LCCJFB#10?
All R5F109LCCJFB#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F109LCCJFB#10, 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 R5F109LCCJFB#10 part is unused and in its original packaging.
Return procedure for R5F109LCCJFB#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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