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Renesas R5F101GCAFB#50
- Part No.:
- R5F101GCAFB#50
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F101GCAFB#50.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 48LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,000
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Product details
Overview
R5F101GCAFB#50 from Renesas is a 48-pin LFQFP-0.5mm-pitch 16-bit RL78/G13 microcontroller with 128 KB flash, 8 KB RAM, and no data flash memory, designed for ultra-low-power industrial control applications operating from 1.6 V to 5.5 V across –40°C to +105°C ambient temperature.
For engineers reviewing the R5F101GCAFB#50 datasheet, R5F101GCAFB#50 pinout, R5F101GCAFB#50 application, or R5F101GCAFB#50 equivalent, key selection criteria include its 128 KB code flash capacity, integrated real-time clock with calendar support, 10-bit 26-channel ADC, 16-bit timer suite (up to 16 channels), and low-power STOP/HALT/SNOOZE modes enabling sub-1 μA retention in industrial environments.
Technical Context
The R5F101GCAFB#50 implements the RL78 CPU core with CISC architecture and 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz ultra-low-speed mode). It integrates a 12-bit interval timer, dedicated RTC with alarm and clock correction, and watchdog timer with independent low-speed oscillator.
Its peripheral set includes up to 16× 16-bit timers, 3–10 I²C/Simplified I²C channels, 2–4 UART/LIN interfaces, 2–8 CSI (SPI-compatible) channels, and DMA controller with 2/4 channels-enabling concurrent background data flash operations via BGO while executing program code from flash.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Flash Memory | 128 KB code flash (1 KB block size); no data flash memory on this variant |
| RAM | 8 KB on-chip RAM for variables, stack, and firmware execution |
| Operating Voltage | 1.6 V to 5.5 V single supply-supports direct interface with 1.8 V/2.5 V/3.3 V peripherals |
| Temperature Range | –40°C to +105°C (industrial-grade G-suffix qualification) |
| Power Modes | HALT (66 μA/MHz), STOP (0.57 μA with RTC+LVD active), SNOOZE for low-latency wake-up |
| ADC | 10-bit resolution, 26 analog input channels, internal 1.45 V reference and temperature sensor |
| Clock Sources | High-accuracy on-chip oscillator (±1.0% @ 32 MHz, VDD = 1.8–5.5 V, TA = –20 to +85°C) |
Pinout & Package
Package: 48-pin LFQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3 per JEDEC J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains support noise isolation; VDD must be decoupled with 0.1 μF ceramic capacitor near each VDD pin |
| P00–P07, P10–P17, P20–P27, P30–P37, P40–P47, P50–P57 | General-purpose I/O ports | Configurable as N-ch open-drain (6 V tolerant), TTL input, or pull-up; supports different-potential interfacing (1.8/2.5/3 V) |
| P20/P21 | Analog inputs / AVREFP/AVREFM | Dedicated analog reference pins for ADC; require external filtering and separation from digital ground |
| P10/P11 | SCK00/SCL00, SI00/RxD0 | Shared SPI/I²C and UART functions-requires software-controlled peripheral multiplexing |
| RESET | Active-low reset input | Accepts external reset signal or internal POR/LVD assertion; debounced internally |
| CLKP/CLKM | Crystal oscillator connections | Supports external 32.768 kHz crystal for RTC accuracy; optional internal oscillator fallback |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA current draw with RTC and LVD active-enables decade-scale battery operation in metering |
| Real-time clock with calendar | 99-year calendar, alarm, and automatic clock correction-eliminates need for external RTC IC |
| Background operation (BGO) | Execute code from flash while rewriting data flash-enables seamless firmware updates without halting system |
| On-chip debug interface | Fully integrated debug circuit supports full-speed tracing, breakpoints, and flash programming via single-wire SWD |
| Self-programming with boot swap | Secure dual-bank flash update mechanism prevents corruption during power loss or reset |
| Integrated LIN transceiver support | UART peripheral with LIN bus protocol compliance-reduces BOM cost in automotive body electronics |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Battery-powered electricity/water/gas meter with time-of-use billing and tamper detection. IC Role / Device Role / Timing Role: Main system controller managing metrology ADC sampling, RTC-based tariff switching, secure flash logging, and RF/PLC communication. Use Value: 0.57 μA STOP mode extends 10-year battery life; integrated RTC eliminates external timing component; 128 KB flash accommodates encryption, OTA update, and multi-tariff logic. | Use Scenario: Wireless condition-monitoring node in factory automation, measuring vibration, temperature, and humidity. IC Role / Device Role / Timing Role: Sensor fusion hub aggregating analog/digital sensor data, performing edge preprocessing, and scheduling LoRaWAN/NB-IoT transmissions. Use Value: 26-channel 10-bit ADC enables simultaneous multi-sensor acquisition; SNOOZE mode reduces wake latency vs. STOP; 8 KB RAM supports real-time FFT and FIR filtering. |
| Home Appliance Control | Building Automation Panel |
Use Scenario: MCU in washing machine control board managing motor drive, water level sensing, user interface, and safety interlocks. IC Role / Device Role / Timing Role: Real-time motion controller coordinating PWM outputs, ADC feedback loops, and fault-safe shutdown sequences. Use Value: 16× 16-bit timers provide precise motor phase control; HALT mode cuts active power by >95% during idle cycles; 1.6 V min voltage supports brown-out resilience. | Use Scenario: Standalone HVAC controller in commercial buildings managing zone valves, fan speed, and occupancy sensors. IC Role / Device Role / Timing Role: Central coordinator interfacing with RS-485 Modbus, local touch UI, and analog environmental sensors. Use Value: 3–10 I²C channels simplify connection to multiple sensor ICs; LIN/UART support enables legacy actuator integration; –40°C to +105°C rating ensures reliability in unconditioned mechanical rooms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101GDAFB#50 | Same package and pinout; adds 4 KB data flash memory | Required when non-volatile parameter storage (e.g., calibration data, device ID) is needed alongside 128 KB code flash | Select if field-updatable configuration storage is mandatory; otherwise R5F101GCAFB#50 reduces cost and simplifies flash management |
| R5F100GCAFB#50 | Identical footprint and peripherals; includes 8 KB data flash memory | Suitable where data logging, secure key storage, or wear-leveling EEPROM emulation is required | Choose when persistent data retention across power cycles is critical; R5F101GCAFB#50 avoids data flash overhead where not needed |
Compared with R5F101GCAFB#50, R5F101GDAFB#50 adds 4 KB data flash for runtime parameter storage without increasing pin count or thermal footprint, while R5F100GCAFB#50 provides identical functionality plus 8 KB data flash-making both alternatives viable only when non-volatile data retention is architecturally required.
Availability
R5F101GCAFB#50 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, and home appliance control requiring stable component supply across extended product lifecycles and industrial temperature ranges.
Supply support for R5F101GCAFB#50 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, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G13 family delivers true low-power performance (66 μA/MHz, 0.57 μA STOP) for cost-sensitive industrial and consumer applications demanding long battery life, robust timing, and rich analog/mixed-signal integration.
FAQ
What is the maximum operating frequency of the R5F101GCAFB#50?
The R5F101GCAFB#50 supports a maximum CPU operating frequency of 32 MHz using its high-accuracy on-chip oscillator. This yields 41 DMIPS performance. External crystals up to 32 MHz are also supported, but the internal oscillator eliminates BOM cost and layout complexity for most timing-critical applications.
Does the R5F101GCAFB#50 include data flash memory?
No, the R5F101GCAFB#50 does not include data flash memory. The "101" in the part number explicitly denotes absence of data flash, distinguishing it from "100" variants like R5F100GCAFB#50 which integrate 8 KB data flash. This simplifies flash management and reduces cost where parameter storage is handled externally or not required.
What is the industrial temperature range supported by the R5F101GCAFB#50?
The R5F101GCAFB#50 is qualified for industrial operation from –40°C to +105°C, indicated by the "G" suffix in its ordering code. This rating applies across the full 1.6 V to 5.5 V supply range and enables deployment in harsh environments such as motor drives, HVAC systems, and outdoor utility equipment without derating.
How many analog input channels does the R5F101GCAFB#50 support?
The R5F101GCAFB#50 supports up to 26 analog input channels on its 10-bit ADC. These are mapped across port pins P00–P07, P10–P17, P20–P27, P30–P37, and P40–P47, with P20 and P21 additionally serving as AVREFP and AVREFM reference inputs-enabling flexible sensor interfacing in multi-channel monitoring systems.
Is the R5F101GCAFB#50 pin-compatible with other RL78/G13 48-pin variants?
Yes, the R5F101GCAFB#50 shares identical pinout and package (48-pin LFQFP, 0.5 mm pitch) with all other RL78/G13 48-pin variants-including R5F100GxAFB and R5F101GxAFB families. This allows drop-in replacement between flash-size or data-flash-equipped variants, provided software accounts for memory map differences and peripheral enablement.
R5F101GCAFB#50 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- RL78/G13
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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#50 FAQ
1.How can I place an order for R5F101GCAFB#50 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101GCAFB#50 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#50 reliable?
The price and inventory of R5F101GCAFB#50 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101GCAFB#50 is usually 5 days.
3.What payment methods are accepted for R5F101GCAFB#50?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101GCAFB#50 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101GCAFB#50?
R5F101GCAFB#50 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101GCAFB#50 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#50?
For technical support, including R5F101GCAFB#50 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101GCAFB#50 requirements.
6.How does Aetrix verify that R5F101GCAFB#50 is sourced from the original manufacturer or authorized distributors?
All R5F101GCAFB#50 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#50 meets industry standards.
7.What is the process for return or replacement of R5F101GCAFB#50?
All R5F101GCAFB#50 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101GCAFB#50, 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#50 part is unused and in its original packaging.
Return procedure for R5F101GCAFB#50:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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