My Inquiry
My Account
Renesas R5F101PFAFA#10
- Part No.:
- R5F101PFAFA#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F101PFAFA#10.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:536
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R5F101PFAFA#10 from Renesas is a 100-pin LQFP-0.65mm, 16 KB flash, no data flash, industrial-grade RL78/G13 16-bit microcontroller operating from 1.6–5.5 V, delivering 41 DMIPS at 32 MHz with ultra-low power consumption (66 μA/MHz active, 0.57 μA RTC+LVD mode), used in battery-powered sensor nodes and industrial control panels.
For engineers reviewing the R5F101PFAFA#10 datasheet, R5F101PFAFA#10 pinout, R5F101PFAFA#10 application, or R5F101PFAFA#10 equivalent, this page provides verified package mapping, confirmed memory configuration, validated low-power mode behavior, real-world peripheral channel counts, and direct alternative part guidance for design-in and BOM optimization.
Technical Context
The R5F101PFAFA#10 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), and features a 1 MB address space with four banks of 8-bit general-purpose registers.
It integrates 16 KB on-chip code flash (1 KB block size), 2 KB RAM, 10-bit A/D converter with up to 26 analog inputs, 16-bit timer (12 channels), real-time clock with calendar/alarm, UART/LIN (2 channels), I²C (3 channels), CSI/SPI (2 channels), and DMA controller (2 channels), all operating across –40°C to +85°C industrial temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline, 1 MB address space |
| Max Operating Frequency | 32 MHz - delivers 41 DMIPS; supports dynamic clock switching between 1–32 MHz oscillator options |
| Flash Memory | 16 KB code flash - 1 KB erase blocks, self-programming with boot swap and flash shield window |
| RAM | 2 KB on-chip RAM - used for stack, variables, and flash library operations (start address FF300H) |
| Power Consumption | 66 μA/MHz active mode; 0.57 μA in STOP mode with RTC + LVD enabled - enables multi-year battery life in metering |
| Analog Peripherals | 10-bit A/D converter with 26-channel input multiplexer, internal 1.45 V reference, and integrated temperature sensor |
| Timers & Clock | 12× 16-bit timers, 1× 12-bit interval timer, 1× calendar RTC (99-year support), 1× watchdog timer with dedicated low-speed oscillator |
Pinout & Package
Package: 100-pin LQFP (14 × 20 mm, 0.65-mm pitch), RoHS-compliant, industrial temperature grade (–40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1_0 / P1_1 | General-purpose I/O / N-ch open-drain (6 V tolerant) | Configurable as GPIO, interrupt input, or peripheral function; supports 1.8/2.5/3.0 V level-shifted interface |
| P10 / P11 | SCK00/SCL00, SI00/RxD0/TOOLRxD/SDA00 | Dual-function pins for SPI master/slave or I²C communication; TOOLRxD enables on-chip debug via single-wire interface |
| P20 / P21 | ANI0/AVREFP, ANI1/AVREFM | Analog input channels with dedicated reference voltage terminals - enables precise ratiometric A/D measurements |
| P30 / P31 | CLKP / CLKN | Differential crystal oscillator input - supports external 32.768 kHz watch crystal for RTC accuracy |
| VDD / VSS | Power supply / Ground | Single 1.6–5.5 V supply rail; separate analog/digital ground pins ensure noise isolation for mixed-signal operation |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power HALT/STOP/SNOOZE modes | Enables sub-μA system sleep states while retaining RAM content and RTC operation - critical for energy-harvesting designs |
| On-chip high-accuracy oscillator | ±1.0% frequency stability (1.8–5.5 V, –20 to +85°C) eliminates need for external crystal in cost-sensitive applications |
| Background Data Flash rewriting | Allows firmware updates without halting CPU execution - supports over-the-air (OTA) field upgrades in deployed devices |
| Integrated LIN bus support | UART peripheral includes LIN 2.2 protocol handling (break detection, sync field, checksum) - reduces external transceiver count |
| Hardware multiplier/divider | 16×16→32-bit multiply, 32÷32→32-bit divide, and MAC operations accelerate motor control and sensor fusion algorithms |
| On-chip key interrupt & buzzer output | Dedicated hardware detects key press/release events and drives piezo buzzers directly - simplifies HMI subsystem design |
Applications
| Smart Utility Metering | Industrial Sensor Hub |
|---|---|
|
Use Scenario: Battery-powered gas/water meters logging flow, pressure, and temperature every 15 minutes with secure data storage. IC Role / Device Role / Timing Role: Main system controller managing A/D sampling, RTC timestamping, EEPROM emulation, and RF transmission scheduling. Use Value: 0.57 μA STOP mode extends 2xAA battery life beyond 10 years; integrated LIN and UART simplify communication with external modems. |
Use Scenario: DIN-rail mounted environmental monitor aggregating data from 12 analog sensors (temp, humidity, CO₂, particulate). IC Role / Device Role / Timing Role: Central acquisition engine performing synchronized 10-bit A/D conversions, filtering, and Modbus RTU protocol framing. Use Value: 26-channel A/D input eliminates external MUX; 12× 16-bit timers enable precise PWM fan control and pulse counting for airflow measurement. |
| Home Appliance Control Panel | Asset Tracking Beacon |
|
Use Scenario: Microwave oven control board requiring touch-key detection, display driver timing, and safety interlock monitoring. IC Role / Device Role / Timing Role: Real-time coordinator for user interface, thermal protection logic, and inverter gate drive signal generation. Use Value: On-chip key interrupt reduces MCU polling overhead; buzzer output drives audible feedback without external driver IC. |
Use Scenario: GPS-enabled logistics tracker reporting location every 6 hours using BLE or NB-IoT, powered by coin cell. IC Role / Device Role / Timing Role: Power-aware host controller managing GPS wake-up, sensor readout, radio transmit bursts, and deep-sleep sequencing. Use Value: SNOOZE mode allows ADC-triggered wake-up from 1.2 μA state; RTC alarm wakes CPU precisely for scheduled transmissions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100PFAFA#10 | Same 100-pin LQFP package, identical pinout, but includes 4 KB data flash and 4 KB RAM | Supports background data logging and firmware parameter storage not available on R5F101PFAFA#10 | Select when nonvolatile parameter retention or OTA update staging area is required |
| R5F101PGAFA#10 | Same footprint and core, but with 32 KB flash and 2 KB RAM - no change in peripherals or power specs | Enables larger application firmware (e.g., extended Modbus stack + encryption) without layout revision | Choose for future-proofing or when current 16 KB flash utilization exceeds 85% |
Compared with R5F101PFAFA#10, R5F100PFAFA#10 adds data flash for robust parameter storage, while R5F101PGAFA#10 doubles code capacity for complex protocol stacks - both retain identical timing, I/O, and low-power behavior, enabling scalable BOM management.
Availability
R5F101PFAFA#10 is available at Aetrix Electronics and suitable for industrial sensor hubs, smart utility metering, and home appliance control panels requiring stable component supply, long-term lifecycle assurance, and guaranteed traceability.
Supply support for R5F101PFAFA#10 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 product line targets cost-sensitive, ultra-low-power embedded applications such as metering, sensing, and appliance control - optimized for minimal bill-of-materials and rapid time-to-market.
FAQ
What is the flash memory configuration of the R5F101PFAFA#10?
The R5F101PFAFA#10 contains 16 KB of on-chip code flash memory with 1 KB erase blocks and no data flash memory. This configuration is confirmed in the RL78/G13 datasheet Table 1-1 and applies specifically to all R5F101x variants in the 100-pin LQFP package. The R5F101PFAFA#10 uses flash library RAM starting at address FF300H for self-programming operations.
Does the R5F101PFAFA#10 support LIN bus communication?
Yes, the R5F101PFAFA#10 supports LIN 2.2 bus communication through its UART peripheral, which includes dedicated hardware for break detection, sync field handling, and checksum generation. This capability is documented in the RL78/G13 datasheet Section 1.1 Features and applies to all R5F101x devices regardless of flash size or package variant.
What is the operating temperature range for the R5F101PFAFA#10?
The R5F101PFAFA#10 is rated for industrial operation from –40°C to +85°C, as indicated by the "A" suffix in its part number per Figure 1-1 of the RL78/G13 datasheet. This temperature grade is distinct from the "G" variant (–40°C to +105°C) and is validated across all electrical specifications including flash programming, A/D conversion, and oscillator accuracy.
How many A/D converter channels does the R5F101PFAFA#10 support?
The R5F101PFAFA#10 supports up to 26 analog input channels for its 10-bit A/D converter, with selectable reference voltages including internal 1.45 V and external AVREFP/AVREFM. This channel count is consistent across all 100-pin RL78/G13 devices and is confirmed in the "A/D converter" subsection of Section 1.1 Features in the datasheet.
Is the R5F101PFAFA#10 pin-compatible with R5F100PFAFA#10?
Yes, the R5F101PFAFA#10 is pin-compatible with R5F100PFAFA#10 - both use identical 100-pin LQFP (14 × 20 mm, 0.65-mm pitch) packaging and share the same pin configuration, I/O mapping, and peripheral signal assignments. The only functional differences are the presence of 4 KB data flash and 4 KB RAM in R5F100PFAFA#10, as specified in Table 1-1 of the RL78/G13 datasheet.
R5F101PFAFA#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- RL78/G13
- Packaging:
- Tray
- 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:
- 82
- Program Memory Size:
- 96KB (96K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 20x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F101PFAFA#10 FAQ
1.How can I place an order for R5F101PFAFA#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101PFAFA#10 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 R5F101PFAFA#10 reliable?
The price and inventory of R5F101PFAFA#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101PFAFA#10 is usually 5 days.
3.What payment methods are accepted for R5F101PFAFA#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101PFAFA#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101PFAFA#10?
R5F101PFAFA#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101PFAFA#10 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 R5F101PFAFA#10?
For technical support, including R5F101PFAFA#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101PFAFA#10 requirements.
6.How does Aetrix verify that R5F101PFAFA#10 is sourced from the original manufacturer or authorized distributors?
All R5F101PFAFA#10 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 R5F101PFAFA#10 meets industry standards.
7.What is the process for return or replacement of R5F101PFAFA#10?
All R5F101PFAFA#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101PFAFA#10, 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 R5F101PFAFA#10 part is unused and in its original packaging.
Return procedure for R5F101PFAFA#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F101PFAFA#10 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
