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Renesas R5F101SLDFB#50
- Part No.:
- R5F101SLDFB#50
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 128-LQFP
- Datasheet:
-
R5F101SLDFB#50.pdf
- Description:
- IC MCU 16BIT 512KB FLSH 128LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,670
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Product details
Overview
R5F101SLDFB#50 from Renesas is a 128-pin LFQFP (14 × 20 mm, 0.5-mm pitch), industrial-grade RL78/G13 16-bit MCU with 128 KB flash, 12 KB RAM, and no data flash memory. It operates from 1.6–5.5 V, achieves 41 DMIPS at 32 MHz, and delivers ultra-low power consumption (66 μA/MHz active, 0.57 μA RTC+LVD mode), targeting battery-powered industrial control and sensor interface applications.
For engineers reviewing the R5F101SLDFB#50 datasheet, R5F101SLDFB#50 pinout, R5F101SLDFB#50 application, or R5F101SLDFB#50 equivalent, key selection criteria include its 128-pin LFQFP-0.5mm package, absence of on-chip data flash, -40°C to +85°C industrial temperature rating (D grade), and integrated peripherals including 16× 16-bit timers, 10-bit 26-channel ADC, and dual UART/LIN support.
Technical Context
The R5F101SLDFB#50 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz HS mode) to 30.5 μs (32.768 kHz subsystem clock). Its memory map includes 1 MB address space, 128 KB code flash organized in 1 KB blocks, and 12 KB on-chip RAM - with no data flash provision per part numbering convention ('101' series).
Peripheral integration includes 26-channel 10-bit ADC with internal 1.45 V reference and temperature sensor, real-time clock with calendar/alarm/correction, watchdog timer, DMA controller (4 channels), and serial interfaces: up to 10-channel I²C/Simplified I²C, 4-channel UART/LIN, and 8-channel CSI (SPI-compatible). Power management features HALT, STOP, and SNOOZE modes with on-chip POR and 14-level LVD.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline; enables deterministic timing for real-time control loops. |
| Max Operating Frequency | 32 MHz; delivers 41 DMIPS performance for mid-complexity firmware tasks. |
| Flash Memory | 128 KB code flash (1 KB blocks); supports secure block erase prohibition and self-programming with boot swap. |
| RAM | 12 KB on-chip RAM; sufficient for RTOS stacks, communication buffers, and sensor data processing. |
| ADC | 10-bit resolution, 26 input channels, internal 1.45 V reference and temperature sensor; enables direct analog sensing without external components. |
| Operating Voltage | 1.6–5.5 V; allows direct connection to Li-ion, 3.3 V, or 5 V rails without level-shifting. |
| Temperature Range | -40°C to +85°C (D grade); qualified for industrial environments including factory automation and building controls. |
Pinout & Package
Package: 128-pin LFQFP (14 × 20 mm, 0.5-mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | Serial Clock Input/Output | Shared SPI clock (CSI0) or I²C clock line; configurable for master/slave operation in multiple protocols. |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Serial Data Input / UART RX / I²C Data | Multi-function pin supporting SPI data-in, UART receive, debug tool interface, and I²C bidirectional data - reduces external component count. |
| P20/ANI0/AVREFP | Analog Input Channel 0 / ADC Reference Positive | Primary analog input with selectable AVREFP function; enables ratiometric measurements using internal or external reference. |
| P21/ANI1/AVREFM | Analog Input Channel 1 / ADC Reference Negative | Second analog input with AVREFM capability; supports differential ADC measurements when paired with P20. |
| P147/ANI18 | Analog Input Channel 18 | Dedicated high-impedance analog input; usable in multi-sensor systems requiring >16 channels. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power modes | Halt (0.23 μA), Stop (0.57 μA w/ RTC+LVD), and SNOOZE (fast wake-up from low-power sleep) extend battery life in portable equipment. |
| On-chip debug & self-programming | Integrated on-chip debug interface enables in-system programming and real-time trace; flash shield window prevents unauthorized access during field updates. |
| Flexible serial connectivity | 10-channel I²C/Simplified I²C, 4-channel UART/LIN, and 8-channel CSI allow concurrent communication with sensors, displays, and CAN transceivers via software-based LIN stack. |
| Real-time clock with calendar | Hardware RTC supports 99-year calendar, alarm, and clock correction - eliminates need for external RTC IC in time-stamped logging applications. |
| High-accuracy oscillator | On-chip high-speed oscillator ±1.0% accuracy (1.8–5.5 V, -20 to +85°C); removes crystal cost and PCB area while maintaining timing integrity. |
Applications
| Industrial Sensor Node | Smart HVAC Controller |
|---|---|
Use Scenario: Battery-powered wireless temperature/humidity/CO₂ node with BLE gateway interface. IC Role / Device Role / Timing Role: Main system controller managing ADC sampling, sensor fusion, low-power scheduling, and UART-to-BLE bridge. Use Value: 0.57 μA STOP mode with RTC enables multi-year battery life; 26-channel ADC supports simultaneous multi-sensor acquisition without external MUX. |
Use Scenario: Wall-mounted HVAC zone controller with display, relay drivers, and environmental monitoring. IC Role / Device Role / Timing Role: Central MCU handling UI responsiveness, PID loop execution, serial bus communication (I²C to sensors, UART to VFD), and real-time scheduling. Use Value: 41 DMIPS at 32 MHz ensures smooth UI rendering and fast control loop execution; 12 KB RAM accommodates FreeRTOS and protocol stacks. |
| Programmable Logic Relay | Industrial Motor Monitor |
Use Scenario: DIN-rail mounted PLC module with digital I/O expansion, ladder logic execution, and Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Core processor executing user logic, managing I/O state, and handling Modbus framing and CRC calculation. Use Value: 16× 16-bit timers enable precise pulse-width modulation and input capture for encoder feedback; UART with LIN support simplifies RS-485 transceiver integration. |
Use Scenario: Retrofit motor monitor measuring current, voltage, temperature, and vibration via analog and digital inputs. IC Role / Device Role / Timing Role: Signal acquisition engine performing synchronized 10-bit ADC sampling across 26 channels and timestamping events via hardware RTC. Use Value: Internal 1.45 V reference and temperature sensor eliminate calibration drift; 128-pin package provides ample GPIO for isolation and protection circuitry. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101SLAFB#50 | Same 128-pin LFQFP package and 128 KB flash, but A-grade (-40°C to +85°C consumer temp); no data flash. | Targeted at cost-sensitive consumer appliances where industrial qualification is not required. | Select R5F101SLAFB#50 only if ambient operating temperature remains strictly within commercial range and industrial reliability certification is unnecessary. |
| R5F100SLDFB#50 | Identical package, pinout, and temperature grade, but includes 8 KB data flash memory and same 128 KB code flash. | Required for applications needing nonvolatile parameter storage (e.g., calibration data, device configuration) without external EEPROM. | Choose R5F100SLDFB#50 when field-updatable settings or event logging to persistent memory is mandatory; otherwise R5F101SLDFB#50 reduces BOM cost. |
Compared with R5F101SLDFB#50, R5F101SLAFB#50 relaxes temperature qualification for lower cost, while R5F100SLDFB#50 adds 8 KB data flash at identical footprint - enabling field-configurable behavior without external memory.
Availability
R5F101SLDFB#50 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart HVAC controllers, programmable logic relays, and motor monitoring systems requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant manufacturing.
Supply support for R5F101SLDFB#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 product line delivers true low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and industrial control applications demanding high integration, robustness, and energy efficiency.
FAQ
What is the flash memory configuration of the R5F101SLDFB#50?
The R5F101SLDFB#50 contains 128 KB of code flash memory organized in 1 KB blocks, with no on-chip data flash (indicated by '101' in the part number). It supports secure block erase prohibition, self-programming with boot swap, and flash shield window functionality for firmware protection - all confirmed in Renesas document R01DS0131EJ0380.
Does the R5F101SLDFB#50 include a real-time clock (RTC)?
Yes, the R5F101SLDFB#50 integrates a hardware RTC with full calendar support (99 years), alarm function, and clock correction capability. It operates independently in STOP mode with only RTC and LVD enabled, consuming just 0.57 μA - a key feature verified in Section 1.1 of the RL78/G13 datasheet (R01DS0131EJ0380).
What is the operating temperature range for the R5F101SLDFB#50?
The R5F101SLDFB#50 is rated for industrial operation from -40°C to +85°C (D grade), as defined in Figure 1-1 and Table 1-1 of the RL78/G13 datasheet. This qualification ensures reliable performance in factory automation, building controls, and outdoor equipment without derating.
How many analog input channels does the R5F101SLDFB#50 support?
The R5F101SLDFB#50 supports up to 26 analog input channels with its 10-bit ADC, including dedicated pins like P20/ANI0, P21/ANI1, and P147/ANI18. The ADC also features an internal 1.45 V reference voltage and integrated temperature sensor - all specified in the "A/D converter" subsection of Section 1.1.
Is the R5F101SLDFB#50 pin-compatible with other RL78/G13 128-pin variants?
Yes, the R5F101SLDFB#50 shares identical 128-pin LFQFP mechanical dimensions and pinout with all other RL78/G13 128-pin members (e.g., R5F100SLDFB#50, R5F101SLAFB#50), as confirmed in Table 1-1 and Pin Configuration diagrams (Page 13 onward) of R01DS0131EJ0380 - enabling drop-in replacement where functional differences permit.
R5F101SLDFB#50 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 128-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:
- 110
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 26x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F101SLDFB#50 FAQ
1.How can I place an order for R5F101SLDFB#50 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101SLDFB#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 R5F101SLDFB#50 reliable?
The price and inventory of R5F101SLDFB#50 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101SLDFB#50 is usually 5 days.
3.What payment methods are accepted for R5F101SLDFB#50?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101SLDFB#50 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101SLDFB#50?
R5F101SLDFB#50 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101SLDFB#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 R5F101SLDFB#50?
For technical support, including R5F101SLDFB#50 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101SLDFB#50 requirements.
6.How does Aetrix verify that R5F101SLDFB#50 is sourced from the original manufacturer or authorized distributors?
All R5F101SLDFB#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 R5F101SLDFB#50 meets industry standards.
7.What is the process for return or replacement of R5F101SLDFB#50?
All R5F101SLDFB#50 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101SLDFB#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 R5F101SLDFB#50 part is unused and in its original packaging.
Return procedure for R5F101SLDFB#50:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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