Renesas R5F10DPECJFB#12
- Part No.:
- R5F10DPECJFB#12
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F10DPECJFB#12.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F10DPECJFB#12 from Renesas Electronics is a 16-bit RL78/D1A microcontroller in a 100-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 (1.62–5.5 V supply), includes hardware multiplier/divider, 24-bit real-time clock, and is qualified for industrial applications.
For engineers reviewing the R5F10DPECJFB#12 datasheet, R5F10DPECJFB#12 pinout, R5F10DPECJFB#12 application, or R5F10DPECJFB#12 equivalent, this page delivers verified technical context, key specifications, package mapping, functional pin roles, and validated alternative options for industrial control, motor drive, and CAN-based embedded systems design.
Technical Context
The R5F10DPECJFB#12 implements the RL78 CPU core with 16-bit CISC architecture, supporting 100+ instructions including multiply/divide and bit manipulation. It integrates a 1-channel CAN 2.0B controller with message buffers, FIFO, and error handling logic, alongside a 12-bit ADC (26 channels), 8-bit D/A converter, and programmable gain amplifier.
On-chip peripherals include a 16-bit timer array unit (TAU) with capture/compare, real-time clock (RTC) with calendar function, serial interfaces (SCI ×5, I²C ×2), and power management features such as HALT, STOP, and ultra-low-power SNOOZE modes with wake-up on peripheral event.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CPU with 100+ instructions and hardware multiply/divide |
| Flash Memory | 512 KB - sufficient for complex firmware with bootloader, safety checks, and field updates |
| RAM | 32 KB - supports multitasking RTOS, data buffering, and real-time signal processing |
| CAN Interface | 1 × CAN 2.0B controller - enables robust automotive-grade communication with message filtering and loopback test mode |
| ADC | 12-bit, 26-channel SAR ADC - provides high-resolution analog sensing for motor current, temperature, and voltage monitoring |
| Operating Voltage | 1.62–5.5 V - allows direct interface with 3.3 V or 5 V systems without level-shifting |
| Package | 100-pin LQFP (14 × 14 mm, 0.5 mm pitch) - compatible with standard industrial PCB assembly processes |
Pinout & Package
Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3 per J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | Port 0 I/O (multiplexed) | General-purpose I/O with selectable functions including UART0 TX/RX, INT0–INT3, and external bus address lines |
| P10–P17 | Port 1 I/O (multiplexed) | Supports CAN0TX/CAN0RX, SCI0–SCI4 signals, and external interrupt inputs |
| P20–P27 | Port 2 I/O (multiplexed) | Configurable for ADC input channels, comparator inputs, and timer capture/compare outputs |
| VDD / VSS | Power / Ground | Dual power domains: EVDD/EVSS for analog/peripheral, SMVDD/SMVSS for digital core - reduces noise coupling |
| RESET | Active-low reset input | Accepts external reset pulse or internal POR/BOR; supports low-voltage detection with interrupt capability |
| REGC | Regulator capacitor terminal | Connects 1.0 µF ceramic capacitor to stabilize on-chip DC-DC regulator output for core voltage |
Key Features
| Feature | Design Value |
|---|---|
| Integrated CAN 2.0B controller | Single-channel CAN with 32 message objects, automatic retransmission, and bus-off recovery - eliminates need for external CAN transceiver logic |
| Low-power operation modes | HALT, STOP, and SNOOZE modes achieving sub-µA standby current - extends battery life in portable industrial sensors |
| Hardware real-time clock (RTC) | 24-bit counter with calendar function (year/month/day/hour/min/sec), powered by separate VBAT domain - maintains time during main power loss |
| On-chip debug interface | Fine (Fast On-chip Debug Interface) with single-wire SWD support - enables non-intrusive debugging without halting real-time operations |
| Flash programming security | Code flash protection via lock bits and user boot area write protection - prevents unauthorized firmware readout or overwrite |
Applications
| Industrial Motor Control | Building Automation Gateway |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC blowers and pump drives. IC Role / Device Role / Timing Role: Main system controller executing FOC algorithm, managing PWM generation, reading current/voltage feedback, and communicating via CAN to master node. Use Value: Integrated CAN, 12-bit ADC, and 32 MHz timing resolution enable precise torque control and real-time fault response within <10 µs latency. | Use Scenario: Protocol translation hub between BACnet MS/TP field devices and Ethernet-based building management system. IC Role / Device Role / Timing Role: Central protocol processor handling CAN-based fieldbus framing, data aggregation, and TCP/IP offload via external MAC. Use Value: 512 KB flash stores dual protocol stacks; 32 KB RAM buffers concurrent BACnet and CAN traffic; low-power STOP mode reduces energy use during idle periods. |
| Automotive Body Control Module (BCM) | Smart Energy Meter Interface |
Use Scenario: Door module managing window lift, mirror adjustment, and interior lighting in entry-level vehicles. IC Role / Device Role / Timing Role: CAN-connected node performing sensor input scanning, relay/LED driver control, and diagnostics reporting. Use Value: Single-channel CAN 2.0B ensures interoperability with vehicle network; 1.62–5.5 V operation tolerates battery voltage fluctuations during cranking. | Use Scenario: Data concentrator collecting meter readings from multiple RS-485 smart meters and forwarding via GPRS/LTE modem. IC Role / Device Role / Timing Role: Fieldbus interface controller handling Modbus RTU over RS-485, CAN-based local diagnostics, and secure firmware update coordination. Use Value: Hardware CRC generator accelerates Modbus frame validation; flash security blocks unauthorized remote code injection; RTC timestamps all meter reads. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F10DPFBJFB#12 | Same 100-pin LQFP package, identical 512 KB flash/32 KB RAM, but with 2-channel CAN instead of 1 | Required where dual-CAN topology is needed (e.g., separate powertrain and body networks) | Select when additional CAN channel is mandatory; otherwise R5F10DPECJFB#12 offers lower cost and same core functionality |
| R5F10DMGCLFB#12 | 80-pin LQFP, 384 KB flash, 32 KB RAM, 1-channel CAN, operates up to 24 MHz | Suitable for space-constrained designs with reduced peripheral count and lower clock requirements | Choose for compact layouts or cost-sensitive applications where 512 KB flash and 32 MHz are not required |
Compared with R5F10DPFBJFB#12 and R5F10DMGCLFB#12, the R5F10DPECJFB#12 balances full feature set (512 KB flash, 32 MHz, 1× CAN) in a widely supported 100-pin package, making it optimal for industrial gateways and motor controllers needing headroom without over-specification.
Availability
R5F10DPECJFB#12 is available at Aetrix Electronics and suitable for industrial motor control, building automation gateways, and automotive body electronics requiring stable component supply across multi-year production cycles.
Supply support for R5F10DPECJFB#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 global semiconductor leader headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and IoT markets.
The RL78/D1A product line is designed for cost-sensitive, low-power embedded applications demanding high integration, CAN connectivity, and long-term reliability - particularly in industrial automation and automotive body electronics.
FAQ
What is the maximum operating frequency of the R5F10DPECJFB#12?
The R5F10DPECJFB#12 operates at a maximum CPU clock frequency of 32 MHz, achieved using the on-chip high-speed oscillator (HOCO) or external crystal/resonator. This speed supports real-time control loops with sub-microsecond interrupt latency and efficient execution of complex algorithms like field-oriented control in motor applications. The R5F10DPECJFB#12 maintains timing accuracy across its full 1.62–5.5 V supply range.
Does the R5F10DPECJFB#12 include an integrated CAN transceiver?
No, the R5F10DPECJFB#12 integrates only the CAN protocol controller (CAN 2.0B compliant), not the physical layer transceiver. An external CAN transceiver (e.g., TJA1042 or SN65HVD230) must be used to drive the differential CAN_H/CAN_L bus lines. The R5F10DPECJFB#12 provides dedicated CAN0TX and CAN0RX pins that connect directly to the transceiver's TXD and RXD inputs.
What power supply domains does the R5F10DPECJFB#12 support?
The R5F10DPECJFB#12 uses three independent power domains: EVDD/EVSS for analog and peripheral circuits (ADC, DAC, comparators), SMVDD/SMVSS for the digital core and CPU, and VDD/VSS for general I/O. This separation minimizes noise coupling between analog and digital sections. A 1.0 µF capacitor must be connected to the REGC pin to stabilize the internal DC-DC regulator supplying SMVDD.
How much user-accessible flash memory does the R5F10DPECJFB#12 provide?
After reserving space for the boot area and option byte configuration, the R5F10DPECJFB#12 provides 510 KB of user-accessible flash memory for application code and data storage. This capacity accommodates large firmware images with built-in bootloader, cryptographic libraries, and diagnostic routines while leaving room for future feature expansion and over-the-air updates.
Is the R5F10DPECJFB#12 qualified for automotive applications?
The R5F10DPECJFB#12 is rated for industrial temperature range (−40°C to +85°C) and classified as "Standard" quality grade per Renesas documentation, meaning it is intended for industrial, office, and consumer equipment - not automotive safety-critical systems. For automotive use, Renesas offers AEC-Q100 qualified variants under different part numbering (e.g., R5F10DPECDSP#U0), which the R5F10DPECJFB#12 does not replace.
R5F10DPECJFB#12 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-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:
- 78
- 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 9x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F10DPECJFB#12 FAQ
1.How can I place an order for R5F10DPECJFB#12 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F10DPECJFB#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 R5F10DPECJFB#12 reliable?
The price and inventory of R5F10DPECJFB#12 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F10DPECJFB#12 is usually 5 days.
3.What payment methods are accepted for R5F10DPECJFB#12?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F10DPECJFB#12 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F10DPECJFB#12?
R5F10DPECJFB#12 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F10DPECJFB#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 R5F10DPECJFB#12?
For technical support, including R5F10DPECJFB#12 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F10DPECJFB#12 requirements.
6.How does Aetrix verify that R5F10DPECJFB#12 is sourced from the original manufacturer or authorized distributors?
All R5F10DPECJFB#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 R5F10DPECJFB#12 meets industry standards.
7.What is the process for return or replacement of R5F10DPECJFB#12?
All R5F10DPECJFB#12 units undergo pre-shipment inspection (PSI). If there is an issue with R5F10DPECJFB#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 R5F10DPECJFB#12 part is unused and in its original packaging.
Return procedure for R5F10DPECJFB#12:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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