Renesas R5F101LKAFB#30
- Part No.:
- R5F101LKAFB#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F101LKAFB#30.pdf
- Description:
- IC MCU 16BIT 384KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:156
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Product details
Overview
R5F101LKAFB#30 from Renesas is a 16-bit RL78/G13 microcontroller with 384 KB flash memory, 8 KB data flash, 24 KB RAM, and 64-pin LFQFP (0.5 mm pitch) package. It operates from 1.6–5.5 V, delivers 41 DMIPS at 32 MHz, and supports ultra-low-power modes (66 μA/MHz active, 0.57 μA RTC+LVD). It targets battery-powered industrial control and sensor interface applications requiring high integration and low standby current.
For engineers reviewing the R5F101LKAFB#30 datasheet, R5F101LKAFB#30 pinout, R5F101LKAFB#30 application, or R5F101LKAFB#30 equivalent, key selection criteria include its 64-pin LFQFP-0.5mm footprint, absence of on-chip data flash (R5F101x series), real-time clock with calendar support, 10-bit 26-channel ADC, and integrated LIN-capable UARTs for automotive body electronics and smart home controllers.
Technical Context
The R5F101LKAFB#30 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). Its memory map includes 1 MB address space, with flash organized in 1 KB blocks and security features like block erase prohibition.
It integrates dual power domains: main VDD (1.6–5.5 V) and dedicated low-speed oscillator for watchdog timer operation. Peripheral set includes 16× 16-bit timers, 3× I²C channels, up to 4× UART/LIN interfaces, and DMA controller with 4 channels enabling background data flash rewriting during program execution.
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 |
| Flash Memory | 384 KB code flash - organized in 1 KB blocks with security lock and self-programming capability |
| Data Flash | None - R5F101x series excludes on-chip data flash (vs. R5F100x with 4–8 KB) |
| RAM Size | 24 KB on-chip RAM - used for variables, stack, and flash library operations (start address F7F00H) |
| Supply Voltage Range | 1.6 V to 5.5 V - enables direct interfacing with 1.8/2.5/3.3/5 V peripherals without level shifters |
| Operating Temperature | −40°C to +85°C - qualified for industrial ambient conditions (D-grade marking) |
| Low-Power Modes | HALT, STOP, SNOOZE - achieves 0.57 μA in STOP with RTC + LVD active |
Pinout & Package
Package: 64-pin LFQFP, 10 × 10 mm body, 0.5 mm pitch, exposed pad (PLQP0064KF-A).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD pins (Pins 1, 3, 49, 50) and 4 VSS pins ensure stable core/peripheral rail decoupling |
| P00–P07 | General-purpose I/O | 8-bit port with N-ch open-drain option, TTL input buffer, and pull-up resistors for flexible peripheral interfacing |
| P10–P17 | Multi-function I/O | Supports SCK00/SCL00, SI00/RxD0, SO00/TxD0, TO00/TOOLRxD - enables SPI/I²C/UART/LIN on same pins |
| P20–P27 | Analog input group | ANI0–ANI7 with AVREFP/AVREFM reference inputs - 10-bit ADC with internal 1.45 V reference and temperature sensor |
| RESET | Active-low reset input | Accepts external reset signal; internally tied to on-chip POR and LVD circuits |
| CLKP/CLKM | Crystal oscillator terminals | Supports 32.768 kHz crystal for RTC; also accepts external clock source up to 20 MHz |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power HALT/STOP modes | Reduces system standby current to 0.57 μA while retaining RTC and LVD functionality for wake-on-event designs |
| On-chip high-accuracy oscillator | ±1.0% tolerance over −20 to +85°C enables clock-critical UART/LIN communication without external crystal |
| Background data flash rewrite | Enables firmware updates via BGO - CPU executes from flash while data flash is rewritten, eliminating interrupt latency |
| Integrated LIN transceiver support | UART0/1 with LIN break detection and sync field generation simplifies automotive body control module implementation |
| Real-time clock with calendar | 99-year calendar, alarm, and clock correction eliminates need for external RTC IC in time-stamped logging applications |
| DMA with 2-cycle transfer | Transfers data between SFR and RAM in just 2 clocks - critical for high-throughput ADC sampling or SPI streaming |
Applications
| Smart Thermostat Controller | Industrial Motor Drive Interface |
|---|---|
Use Scenario: Battery-powered HVAC control unit monitoring ambient temperature, humidity, and user inputs while maintaining precise time-based scheduling. IC Role / Device Role / Timing Role: Main system controller executing PID algorithms, managing display backlight, and driving relay outputs via GPIO and PWM timers. Use Value: 0.57 μA STOP mode extends 2× AA battery life beyond 5 years; integrated RTC eliminates external timekeeping IC cost and board space. | Use Scenario: Compact motor driver board for BLDC fans or pumps requiring speed feedback, fault reporting, and CAN/LIN communication with host MCU. IC Role / Device Role / Timing Role: Peripheral interface controller handling Hall sensor inputs, PWM generation, and LIN bus diagnostics reporting. Use Value: 26-channel 10-bit ADC resolves motor current and voltage with <1 LSB error; LIN-capable UART reduces external transceiver count by one. |
| Wireless Sensor Node Hub | Medical Infusion Pump Monitor |
Use Scenario: Gateway node aggregating BLE/Zigbee sensor data, performing local preprocessing, and transmitting alerts over cellular or LoRaWAN. IC Role / Device Role / Timing Role: Data concentrator and protocol translator - receives analog/digital sensor inputs, buffers data in RAM, and formats packets for wireless transmission. Use Value: 24 KB RAM accommodates multiple sensor buffers and encryption context; SNOOZE mode allows periodic wake-up for sensor polling with sub-μA average current. | Use Scenario: Safety-critical infusion pump subsystem monitoring flow rate, occlusion pressure, and door status while logging event timestamps. IC Role / Device Role / Timing Role: Independent safety monitor - runs separate firmware, validates primary MCU outputs, and triggers hardware shutdown if anomalies detected. Use Value: Dual independent reset sources (POR + LVD with 14-level detection) enable fail-safe voltage supervision; flash security prevents unauthorized firmware modification. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100LKAFB#30 | Includes 8 KB on-chip data flash; otherwise identical pinout, peripherals, and code flash size | Suitable where EEPROM-like nonvolatile storage is required for calibration data or configuration parameters | Select when persistent parameter storage without external SPI flash is mandatory |
| RL78/G14 R5F104MJAFB#30 | Same 64-pin LFQFP package; adds 16-bit A/D with 13-bit ENOB, enhanced DMA, and USB 2.0 FS controller | Better suited for USB-connected medical devices or higher-precision measurement systems | Choose when USB device interface or >10-bit ADC resolution is required; note increased power consumption |
Compared with R5F100LKAFB#30 and RL78/G14 R5F104MJAFB#30, the R5F101LKAFB#30 provides optimal balance of ultra-low-power operation, industrial temperature range, and cost efficiency for standalone control applications where data flash or USB are unnecessary.
Availability
R5F101LKAFB#30 is available at Aetrix Electronics and suitable for industrial motor drives, smart building controllers, and medical monitoring equipment requiring stable component supply across extended product lifecycles.
Supply support for R5F101LKAFB#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 Corporation is a Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power management ICs for industrial, automotive, 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 long service life and robust peripheral integration.
FAQ
What is the flash memory configuration of the R5F101LKAFB#30?
The R5F101LKAFB#30 contains 384 KB of on-chip code flash memory organized in 1 KB blocks. Unlike the R5F100x series, it does not include data flash memory - this is a defining characteristic of the R5F101x family. The flash supports self-programming with boot swap and flash shield window functions, and block erase/write protection enhances firmware security. The R5F101LKAFB#30 uses flash library RAM starting at address F7F00H.
Does the R5F101LKAFB#30 support LIN bus communication?
Yes, the R5F101LKAFB#30 supports LIN bus communication through its UART0 and UART1 modules, which include dedicated LIN break detection, sync field generation, and checksum calculation per LIN 2.2A specification. This enables direct connection to LIN transceivers without external protocol assist logic. The R5F101LKAFB#30's ±1.0% internal oscillator accuracy meets LIN timing requirements for slave-node operation, reducing BOM cost versus crystal-dependent solutions.
What is the operating temperature grade of the R5F101LKAFB#30?
The R5F101LKAFB#30 is rated for industrial operation from −40°C to +85°C (D-grade). This is confirmed by its part number suffix "D" in the RL78/G13 family coding scheme and validated in the official Renesas datasheet R01DS0131EJ0380. It is not rated for the extended −40°C to +105°C (G-grade) range. The R5F101LKAFB#30 maintains full electrical specifications across this industrial temperature span, including flash write endurance and ADC linearity.
How many analog input channels does the R5F101LKAFB#30 support?
The R5F101LKAFB#30 supports up to 26 analog input channels (ANI0–ANI25) with 10-bit resolution and selectable reference voltages (VDD, AVREFP/AVREFM, or internal 1.45 V). These channels are distributed across ports P20–P27, P30–P37, and P40–P47. The ADC includes built-in temperature sensor and supports scan mode with automatic channel sequencing - all features documented in the R5F101LKAFB#30 section of the RL78/G13 datasheet.
What package type and pin count does the R5F101LKAFB#30 use?
The R5F101LKAFB#30 uses a 64-pin LFQFP package with 10 × 10 mm body and 0.5 mm pin pitch (Renesas code PLQP0064KF-A). The "FB" in the part number explicitly denotes LFQFP-0.5mm, and "#30" indicates tray packaging. This package provides full access to all 64 I/O signals, including dedicated analog, timer, and communication pins - matching the pinout shown in Figure 1-12 of the RL78/G13 datasheet R01DS0131EJ0380.
R5F101LKAFB#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-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:
- 48
- Program Memory Size:
- 384KB (384K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 24K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 12x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F101LKAFB#30 FAQ
1.How can I place an order for R5F101LKAFB#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101LKAFB#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 R5F101LKAFB#30 reliable?
The price and inventory of R5F101LKAFB#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101LKAFB#30 is usually 5 days.
3.What payment methods are accepted for R5F101LKAFB#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101LKAFB#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101LKAFB#30?
R5F101LKAFB#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101LKAFB#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 R5F101LKAFB#30?
For technical support, including R5F101LKAFB#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101LKAFB#30 requirements.
6.How does Aetrix verify that R5F101LKAFB#30 is sourced from the original manufacturer or authorized distributors?
All R5F101LKAFB#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 R5F101LKAFB#30 meets industry standards.
7.What is the process for return or replacement of R5F101LKAFB#30?
All R5F101LKAFB#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101LKAFB#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 R5F101LKAFB#30 part is unused and in its original packaging.
Return procedure for R5F101LKAFB#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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