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Renesas R5F101GCAFB#V0
- Part No.:
- R5F101GCAFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F101GCAFB#V0.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 48LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,909
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Product details
Overview
R5F101GCAFB#V0 from Renesas is a 48-pin LFQFP-packaged RL78/G13 16-bit microcontroller with 128 KB flash, 8 KB data flash, and 12 KB RAM, operating from 1.6–5.5 V at up to 32 MHz (41 DMIPS), featuring ultra-low-power modes (0.57 μA RTC+LVD), 10-bit ADC (26 channels), RTC, and multiple serial interfaces - deployed in battery-powered industrial sensors and smart metering endpoints.
For engineers reviewing the R5F101GCAFB#V0 datasheet, R5F101GCAFB#V0 pinout, R5F101GCAFB#V0 application, or R5F101GCAFB#V0 equivalent, key selection criteria include its 48-pin LFQFP-0.5mm pitch package, absence of on-chip data flash (R5F101x series), industrial-grade temperature range (−40°C to +105°C), and integrated low-power real-time clock with calendar function.
Technical Context
The R5F101GCAFB#V0 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz subsystem clock). It integrates a 12-bit interval timer, 16-bit timers (12 channels), and a calendar-capable real-time clock with alarm and correction functions.
Its peripheral set includes UART/LIN (2 channels), I²C/Simplified I²C (up to 10 channels), CSI (SPI-compatible, 2–8 channels), DMA controller (2 channels), 16×16/32÷32 multiplier/divider, and on-chip voltage detector with 14-level LVD interrupt/reset selection - all optimized for deterministic real-time control in resource-constrained embedded systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline; enables deterministic timing and low-energy per instruction. |
| Max Operating Frequency | 32 MHz (41 DMIPS); supports real-time motor control and sensor fusion at low latency. |
| Flash Memory | 128 KB code flash; sufficient for complex firmware with bootloader, OTA update, and safety routines. |
| Data Flash | None (R5F101x series); requires external EEPROM or FRAM for nonvolatile parameter storage. |
| RAM Size | 12 KB on-chip RAM; accommodates stack, heap, and real-time buffers for multi-tasking RTOS use. |
| Supply Voltage Range | 1.6 V to 5.5 V; enables direct Li-ion, coin-cell, or wide-input industrial power rail operation. |
| Low-Power Modes | HALT (66 μA/MHz), STOP (0.57 μA with RTC+LVD active); extends battery life in always-on sensing nodes. |
Pinout & Package
Package: 48-pin LFQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core and I/O domain decoupling; supports mixed-voltage I/O interfacing. |
| P00–P07 | General-purpose I/O port | Configurable as N-ch open drain (6 V tolerant), TTL input, or pull-up; enables 1.8/2.5/3.3 V device interfacing. |
| P10/P11 | SPI clock/data (SCK00/SI00) | Dedicated CSI0 channel pins; support full-duplex SPI communication with hardware slave select handling. |
| P20–P27 | Analog inputs (ANI0–ANI7) | 8-channel 10-bit ADC inputs with internal 1.45 V reference; suitable for precision sensor signal acquisition. |
| RTC_IN/RTC_OUT | Real-time clock oscillator | Connects to 32.768 kHz crystal; enables calendar-mode RTC with alarm and auto-correction without CPU load. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA current draw with RTC and LVD active - enables >10-year battery life in wireless sensor nodes. |
| On-chip voltage detector (LVD) | 14 programmable threshold levels (1.6–4.9 V); provides fail-safe brown-out detection and reset without external components. |
| Background data flash programming | Not applicable (R5F101x lacks data flash); design must allocate external nonvolatile memory for field-updatable parameters. |
| Hardware UART with LIN support | 2 UART channels with automatic LIN break detection and sync field generation - simplifies automotive body electronics integration. |
| Multi-channel 10-bit ADC | Up to 26 analog inputs with selectable sampling time; supports simultaneous sampling across multiple sensors in industrial monitoring. |
Applications
| Smart Energy Metering | Industrial Temperature Sensor Node |
|---|---|
Use Scenario: Compact, battery-backed electricity meter with tamper detection and time-of-use billing. IC Role / Device Role / Timing Role: Main system controller executing metrology algorithms, RTC-based tariff switching, and secure communication stack. Use Value: 0.57 μA STOP mode enables 15+ year battery life; 10-bit ADC with internal reference ensures ±0.5% energy measurement accuracy. |
Use Scenario: Wireless, IP67-rated temperature probe for HVAC ducts and factory floor monitoring. IC Role / Device Role / Timing Role: Sensor fusion hub aggregating thermistor/RTD readings, managing BLE/Wi-Fi sleep cycles, and maintaining accurate timestamped logs. Use Value: Integrated RTC with calendar eliminates need for external timekeeping IC; 1.6–5.5 V operation allows direct connection to 3.6 V Li-SOCl₂ cells. |
| Programmable Logic Controller (PLC) I/O Module | Home Appliance Motor Control |
Use Scenario: DIN-rail mounted digital input/output expansion module for small-scale PLCs. IC Role / Device Role / Timing Role: Isolated I/O interface controller handling opto-coupled inputs, relay drivers, and Modbus RTU over RS-485. Use Value: 48-pin LFQFP provides ample GPIO (up to 36 usable I/O) and dedicated UART/CSI peripherals for robust industrial comms. |
Use Scenario: Brushless DC (BLDC) motor driver in premium washing machines and air conditioners. IC Role / Device Role / Timing Role: Real-time commutation controller using PWM timers, ADC feedback, and fault protection logic. Use Value: 41 DMIPS at 32 MHz delivers sub-microsecond PWM dead-time control; HALT mode reduces standby power during idle cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101GDAFB#V0 | Same package and core; 128 KB flash, 12 KB RAM, but adds 4 KB data flash. | Enables in-field parameter updates without external memory; suitable where firmware needs persistent configuration storage. | Select when nonvolatile parameter retention is required and BOM cost increase for data flash is acceptable. |
| R5F100GCAFB#V0 | Identical pinout and package; includes 8 KB data flash and same 128 KB code flash. | Supports background data flash writes (BGO) and 1M rewrite cycles - ideal for logging or calibration data. | Choose when data logging, firmware updates, or secure key storage demand on-chip data flash capability. |
Compared with R5F101GCAFB#V0, R5F101GDAFB#V0 adds minimal data flash overhead for configuration storage, while R5F100GCAFB#V0 provides full BGO-enabled data flash - making the latter preferable for applications requiring frequent nonvolatile writes without external memory.
Availability
R5F101GCAFB#V0 is available at Aetrix Electronics and suitable for industrial temperature sensor nodes, smart energy metering endpoints, and PLC I/O modules requiring stable component supply, long-term lifecycle assurance, and extended temperature support (−40°C to +105°C).
Supply support for R5F101GCAFB#V0 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 industrial, automotive, and IoT markets.
The RL78/G13 family targets cost-sensitive, ultra-low-power general-purpose embedded applications - balancing performance, energy efficiency, and peripheral richness for next-generation smart devices.
FAQ
Does R5F101GCAFB#V0 include on-chip data flash memory?
No, R5F101GCAFB#V0 does not include on-chip data flash memory. As indicated by the "101" prefix in the part number (per Renesas documentation), this variant omits data flash entirely. Designers must implement external nonvolatile memory (e.g., SPI EEPROM or FRAM) for storing calibration data, device configuration, or firmware update images. The R5F100x series variants include 4–8 KB of data flash.
What is the maximum ambient operating temperature for R5F101GCAFB#V0?
The R5F101GCAFB#V0 is rated for industrial operation from −40°C to +105°C, as confirmed by the "G" suffix in its part number per Renesas' RL78/G13 ordering guide. This makes it suitable for under-hood automotive modules, factory-floor controllers, and outdoor metering equipment where extended thermal resilience is required.
Which serial interfaces are available on R5F101GCAFB#V0?
R5F101GCAFB#V0 provides UART/LIN (2 channels), I²C/Simplified I²C (up to 10 channels), and CSI (SPI-compatible, up to 8 channels). All are hardware-accelerated and support independent clock sources. No CAN or USB interfaces are integrated - those require external transceivers or companion ICs.
Can R5F101GCAFB#V0 operate from a single 1.8 V supply?
Yes, R5F101GCAFB#V0 supports operation from 1.6 V to 5.5 V, including 1.8 V nominal supplies. At 1.8 V, it achieves up to 16 MHz operation (per electrical characteristics tables), enabling compatibility with low-voltage battery systems and mixed-signal SoC architectures without level-shifting.
Is R5F101GCAFB#V0 pin-compatible with R5F100GCAFB#V0?
Yes, R5F101GCAFB#V0 and R5F100GCAFB#V0 share identical 48-pin LFQFP-0.5mm pitch packaging and pinout. They differ only in data flash presence (absent vs. 8 KB) and minor peripheral enablement - allowing drop-in replacement in PCB layouts where data flash is unused or handled externally.
R5F101GCAFB#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- RL78/G13
- Packaging:
- Tray
- Product Status:
- Obsolete
- 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:
- 34
- 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:
R5F101GCAFB#V0 FAQ
1.How can I place an order for R5F101GCAFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101GCAFB#V0 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 R5F101GCAFB#V0 reliable?
The price and inventory of R5F101GCAFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101GCAFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F101GCAFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101GCAFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101GCAFB#V0?
R5F101GCAFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101GCAFB#V0 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 R5F101GCAFB#V0?
For technical support, including R5F101GCAFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101GCAFB#V0 requirements.
6.How does Aetrix verify that R5F101GCAFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F101GCAFB#V0 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 R5F101GCAFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F101GCAFB#V0?
All R5F101GCAFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101GCAFB#V0, 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 R5F101GCAFB#V0 part is unused and in its original packaging.
Return procedure for R5F101GCAFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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