Renesas R5F101FCAFP#30
- Part No.:
- R5F101FCAFP#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
R5F101FCAFP#30.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 44LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:478
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Product details
Overview
R5F101FCAFP#30 from Renesas is a 44-pin LQFP-44, 32-bit RL78/G13 microcontroller with 96 KB flash, 8 KB data flash, and 8 KB RAM, operating at up to 32 MHz (41 DMIPS), supporting ultra-low-power modes (0.57 μA RTC+LVD), 10-bit ADC (24 channels), and multiple serial interfaces (UART, I²C, CSI) for embedded control in industrial and consumer systems.
For engineers reviewing the R5F101FCAFP#30 datasheet, R5F101FCAFP#30 pinout, R5F101FCAFP#30 application, or R5F101FCAFP#30 equivalent, key selection criteria include its 96 KB code flash with self-programming, 8 KB data flash with background operation (BGO), real-time clock with calendar/alarm, and support for LIN-bus via UART - all within a -40°C to +85°C industrial temperature grade.
Technical Context
The R5F101FCAFP#30 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction timing (0.03125 μs @ 32 MHz to 30.5 μs @ 32.768 kHz). It integrates a 12-bit interval timer, real-time clock with calendar and alarm, and watchdog timer with dedicated low-speed oscillator.
Its peripheral set includes up to 24-channel 10-bit ADC with internal 1.45 V reference and temperature sensor, 8–16 channels of 16-bit timer, 2–4 DMA channels (2-cycle transfer between SFR and RAM), and hardware multiplier/divider/MAC supporting signed/unsigned 16×16→32, 32÷32→32, and 16×16+32 operations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 32-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Max Clock Speed | 32 MHz (41 DMIPS); high-accuracy on-chip oscillator ±1.0% over VDD = 1.8–5.5 V, TA = –20 to +85°C |
| Memory | 96 KB code flash (1 KB block size), 8 KB data flash (1M rewrite cycles), 8 KB RAM |
| Power Modes | HALT (66 μA/MHz), STOP (0.57 μA with RTC+LVD active), SNOOZE mode for low-latency wake-up |
| Analog Peripherals | 10-bit ADC with 24 input channels, internal 1.45 V reference, and integrated temperature sensor |
| Serial Interfaces | 2–4 UART/LIN channels, 3–10 I²C/Simplified I²C channels, 2–8 CSI (SPI-compatible) channels |
| Timers & RTC | 8–16 × 16-bit timers, 1 × 12-bit interval timer, 1 × real-time clock with calendar, alarm, and correction |
Pinout & Package
Package: 44-pin LQFP (10 × 10 mm, 0.8-mm pitch), RoHS-compliant, industrial-grade (–40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10 | SCK00 / SCL00 | Serial clock for CSI0 or I²C0; shared function enables flexible interface routing |
| P11 | SI00 / RxD0 / TOOLRxD / SDA00 | Input for CSI0, UART0 receive, debug tool RX, or I²C0 data - multiplexed for minimal pin count |
| P12 | SO00 / TxD0 / TOOLTxD / SCL00 | Output for CSI0, UART0 transmit, debug tool TX, or I²C0 clock - supports concurrent debug and comms |
| P13 | INTP0 / PPG0 / TOOLCLK | External interrupt input, programmable pulse generator output, or debug clock - selectable per system need |
| P14 | INTP1 / PPG1 | Dedicated external interrupt or pulse generation channel for event-triggered control loops |
| P15 | INTP2 / PPG2 | Second independent interrupt/pulse generator pair for multi-sensor or dual-motor timing |
| P20 | ANI0 / AVREFP | Analog input channel 0 and positive reference voltage input for ADC - enables ratiometric sensing |
| P21 | ANI1 / AVREFM | Analog input channel 1 and negative reference voltage input - supports differential ADC measurements |
| P22 | ANI2 | Analog input channel 2 - part of 24-channel ADC array for multi-sensor monitoring |
| P30 | RTCCLK / X1 | Real-time clock crystal input or external clock source - enables precise timekeeping without MCU load |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.57 μA in STOP mode with RTC + LVD active - extends battery life in metering and sensor nodes |
| Data flash BGO | Background operation allows full program execution while rewriting 8 KB data flash - enables seamless firmware updates |
| Hardware MAC unit | 16×16 + 32-bit multiply-accumulate in single cycle - accelerates motor control and digital filter algorithms |
| LIN-bus support | UART channel with automatic LIN header detection and checksum generation - simplifies automotive body electronics integration |
| On-chip debug & security | Full on-chip debug interface with flash shield window and block erase prohibition - protects IP during development and deployment |
Applications
| Home Appliance Control | Industrial Sensor Node |
|---|---|
|
Use Scenario: Smart washing machine main controller managing motor drive, water level sensing, and user interface. IC Role / Device Role / Timing Role: Primary MCU executing real-time motor control loop, ADC sampling, and LIN communication to display module. Use Value: 96 KB flash accommodates complex control algorithms and UI logic; 24-channel ADC monitors pressure, temperature, and current sensors simultaneously. |
Use Scenario: Wireless environmental monitor with temperature, humidity, and CO₂ sensing deployed in factory HVAC ducts. IC Role / Device Role / Timing Role: Low-power data acquisition node performing periodic ADC reads, RTC-timed wake-ups, and UART-to-LoRa gateway handoff. Use Value: 0.57 μA STOP mode with RTC enables multi-year battery life; BGO allows logging calibration data during sleep/wake transitions. |
| Building Automation Panel | Consumer IoT Gateway |
|
Use Scenario: DIN-rail mounted HVAC controller interfacing with thermostats, actuators, and BACnet MS/TP fieldbus. IC Role / Device Role / Timing Role: Fieldbus protocol handler using UART for MS/TP physical layer and timers for precise bit timing. Use Value: Multiple UART channels support simultaneous debug port and fieldbus communication; 8 KB data flash stores device configuration and event logs. |
Use Scenario: Wi-Fi-connected smart plug with energy monitoring, overload protection, and OTA update capability. IC Role / Device Role / Timing Role: System manager coordinating AC zero-cross detection, current sensing, relay control, and secure firmware update verification. Use Value: Hardware MAC accelerates encryption routines; flash shield window prevents unauthorized reprogramming during OTA updates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100FCAFP#30 | Includes 8 KB data flash and 12 KB RAM; same package and pinout but with data flash enabled | Preferred where frequent non-volatile parameter storage (e.g., calibration, usage logs) is required | Select when BGO-enabled data flash writes are essential; otherwise R5F101FCAFP#30 reduces cost and flash overhead |
| R5F101GCAFP#30 | Upgraded to 128 KB code flash and 12 KB RAM; identical 44-pin LQFP-44 package and pin compatibility | Suitable for applications needing larger firmware footprint (e.g., BLE stack integration or advanced UI rendering) | Choose for future-proofing or when firmware growth exceeds 96 KB; no PCB change required |
Compared with R5F100FCAFP#30, the R5F101FCAFP#30 removes data flash to reduce cost and power in fixed-parameter systems, while R5F101GCAFP#30 scales memory for evolving feature sets - enabling tiered product families without layout redesign.
Availability
R5F101FCAFP#30 is available at Aetrix Electronics and suitable for industrial automation controllers, smart home hubs, building management systems, and battery-powered sensor nodes requiring stable component supply across long production lifecycles.
Supply support for R5F101FCAFP#30 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 is a global semiconductor leader specializing in microcontrollers, analog, and power solutions for automotive, industrial, and IoT markets.
The RL78/G13 family targets cost-sensitive, ultra-low-power general-purpose embedded applications - balancing performance, peripheral richness, and energy efficiency for appliances, sensors, and controls.
FAQ
What is the maximum operating frequency and processing performance of the R5F101FCAFP#30?
The R5F101FCAFP#30 operates at up to 32 MHz with a peak performance of 41 DMIPS. Its RL78 CPU core achieves this through a 3-stage pipeline and high-accuracy on-chip oscillator (±1.0% over VDD = 1.8–5.5 V and TA = –20 to +85°C). This enables deterministic real-time response in motor control and sensor fusion applications without external clock components.
Does the R5F101FCAFP#30 support LIN bus communication, and how is it implemented?
Yes, the R5F101FCAFP#30 supports LIN bus communication via its UART peripherals. One UART channel can be configured with automatic LIN header detection, checksum generation, and sync field handling - eliminating software overhead for protocol compliance. This makes the R5F101FCAFP#30 suitable for automotive body electronics and industrial sub-nodes requiring standardized serial control.
What low-power modes are available on the R5F101FCAFP#30, and what is the lowest current consumption?
The R5F101FCAFP#30 offers HALT, STOP, and SNOOZE modes. In STOP mode with only RTC and LVD active, it consumes just 0.57 μA - verified across –40°C to +85°C. This enables multi-year operation on coin-cell batteries in wireless sensor nodes, smart meters, and portable medical devices where intermittent wake-up and precise timekeeping are critical.
How does the R5F101FCAFP#30 handle in-system programming and data retention?
The R5F101FCAFP#30 supports self-programming of code flash and data flash with boot swap functionality. While the R5F101FCAFP#30 omits data flash (unlike R5F100x variants), its 96 KB code flash includes flash shield window and block erase prohibition for secure firmware updates. Code flash reprogramming occurs under full MCU control without external tools.
What are the ADC capabilities of the R5F101FCAFP#30, and does it include calibration features?
The R5F101FCAFP#30 integrates a 10-bit successive-approximation ADC with up to 24 input channels, internal 1.45 V reference voltage, and an on-chip temperature sensor. It supports scan mode, group conversion, and hardware-triggered sampling - but does not include factory-trimmed offset/gain calibration. Designers must implement software calibration using the internal reference and known external stimuli.
Is the R5F101FCAFP#30 pin-compatible with other RL78/G13 variants in the same package?
Yes, the R5F101FCAFP#30 is fully pin-compatible with all 44-pin LQFP RL78/G13 variants sharing the PLQP0044GC-A package code - including R5F100FCAFP#30 and R5F101GCAFP#30. Pin functions, power domains, and reset behavior are identical; only memory sizes and data flash presence differ, allowing drop-in upgrades or cost-optimized substitutions without PCB changes.
R5F101FCAFP#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 44-LQFP
- Series:
- RL78/G13
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- Programmable:
- Not Verified
- 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:
- 31
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 10x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F101FCAFP#30 FAQ
1.How can I place an order for R5F101FCAFP#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101FCAFP#30 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 R5F101FCAFP#30 reliable?
The price and inventory of R5F101FCAFP#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101FCAFP#30 is usually 5 days.
3.What payment methods are accepted for R5F101FCAFP#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101FCAFP#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101FCAFP#30?
R5F101FCAFP#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101FCAFP#30 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 R5F101FCAFP#30?
For technical support, including R5F101FCAFP#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101FCAFP#30 requirements.
6.How does Aetrix verify that R5F101FCAFP#30 is sourced from the original manufacturer or authorized distributors?
All R5F101FCAFP#30 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 R5F101FCAFP#30 meets industry standards.
7.What is the process for return or replacement of R5F101FCAFP#30?
All R5F101FCAFP#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101FCAFP#30, 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 R5F101FCAFP#30 part is unused and in its original packaging.
Return procedure for R5F101FCAFP#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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