Renesas R5F100EAANA#20
- Part No.:
- R5F100EAANA#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 40-WFQFN Exposed Pad
- Datasheet:
-
R5F100EAANA#20.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 40HWQFN
- Quantity:
- Payment:

- Shipping:

Inventory:1,960
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Product details
Overview
R5F100EAANA#20 from Renesas is a 40-pin HWQFN-packaged 16-bit RL78/G13 microcontroller with 64 KB flash, 4 KB data flash, and 4 KB RAM, operating at up to 32 MHz (41 DMIPS), featuring ultra-low-power operation (66 μA/MHz active, 0.57 μA RTC+LVD mode) for battery-powered industrial sensors and smart meters.
For engineers reviewing the R5F100EAANA#20 datasheet, R5F100EAANA#20 pinout, R5F100EAANA#20 application, or R5F100EAANA#20 equivalent, key selection criteria include its 40-pin HWQFN-0.5mm package, integrated 10-bit 26-channel ADC, real-time clock with calendar, and support for LIN-bus UART - all critical for space-constrained, low-power embedded control designs.
Technical Context
The R5F100EAANA#20 implements the RL78 CPU core with a 3-stage CISC pipeline, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz subsystem clock), and includes on-chip debug, self-programming flash with boot swap, and background operation during data flash rewriting.
It integrates dual power management modes (HALT/STOP/SNOOZE), a 14-level voltage detector (LVD), DMA controller (2 channels), 16×16-bit multiplier, and multiple serial interfaces including CSI (SPI-compatible), UART/LIN, and I²C - enabling flexible peripheral connectivity in resource-limited systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Max Operating Frequency | 32 MHz (41 DMIPS); supports dynamic clock switching between 1–32 MHz oscillator options |
| Memory Configuration | 64 KB code flash (1 KB block size), 4 KB data flash (1M rewrite cycles), 4 KB RAM |
| Power Consumption | 66 μA/MHz active current; 0.57 μA in STOP mode with RTC + LVD enabled |
| Analog Peripherals | 10-bit A/D converter with 26 input channels, internal 1.45 V reference, and temperature sensor |
| Timers & Clock | Eight 16-bit timers, one 12-bit interval timer, calendar-based RTC (99-year range), and watchdog timer |
| Serial Interfaces | Up to 8 CSI (SPI-like), 4 UART/LIN, and 10 I²C/Simplified I²C channels |
Pinout & Package
Packaged in a 40-pin HWQFN (6 × 6 mm, 0.5-mm pitch) with wettable flank profile per PWQN0040KC-A specification; thermal pad exposed on underside for enhanced heat dissipation in compact PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | General-purpose I/O / Port 0 | Bi-directional CMOS I/O with selectable N-ch open-drain, pull-up, and TTL input buffer |
| P10–P17 | General-purpose I/O / Port 1 | Supports SCK00/SCL00, SI00/RxD0, SO00/TxD0, and TOOLRxD/SDA00 functions |
| P20–P27 | Analog Input / AVREFP/AVREFM | ADC channel inputs (ANI0–ANI7); P20/P21 also serve as analog reference voltage terminals |
| P30–P37 | General-purpose I/O / Port 3 | Includes external interrupt (INTP), key interrupt, and clock output/buzzer control signals |
| VDD, VSS | Power Supply / Ground | Single 1.6–5.5 V supply; separate analog/digital ground pins for noise-sensitive ADC operation |
| RESET | Reset Input | Active-low reset with on-chip POR and configurable LVD reset threshold (14 levels) |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power HALT/STOP/SNOOZE modes | Enables sub-μA retention in battery-backed applications without external RTC or supervisor IC |
| On-chip data flash with BGO | Allows concurrent program execution and non-volatile parameter storage updates - no firmware stall required |
| Integrated LIN-capable UART | Reduces BOM cost and board area in automotive body electronics and industrial node communication |
| Hardware multiplier/divider | Accelerates motor control algorithms and digital filtering without consuming CPU cycles or external co-processors |
| Different-potential I/O interface | Direct interfacing with 1.8 V, 2.5 V, or 3.0 V peripherals eliminates level-shifter components |
| On-chip temperature sensor | Provides system thermal monitoring without external sensor, calibrated for ±2°C accuracy over -40 to +85°C |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
|
Use Scenario: Standalone electricity/water/gas meter with tamper detection, pulse counting, and local display. IC Role / Device Role / Timing Role: Main system controller managing metrology ADC sampling, RTC-based billing intervals, and optical/IR communication. Use Value: 64 KB flash stores full metrology firmware and tariff tables; 0.57 μA STOP mode extends 10-year battery life in AMI endpoint designs. |
Use Scenario: Wireless environmental sensor (temp/humidity/pressure) with LoRaWAN or NB-IoT backhaul. IC Role / Device Role / Timing Role: Sensor fusion hub collecting analog/digital inputs, performing preprocessing, and managing low-duty-cycle radio wake-up. Use Value: Integrated 10-bit 26-channel ADC interfaces multiple sensors directly; SNOOZE mode reduces average current to <2 μA during sleep intervals. |
| Home Appliance Control | Building Automation Panel |
|
Use Scenario: MCU in washing machine control board managing motor drive, water valves, user interface, and safety interlocks. IC Role / Device Role / Timing Role: Real-time executor of PID motor control loops, fault monitoring (LVD/thermal), and HMI button scanning via key interrupt. Use Value: 8×16-bit timers enable precise PWM generation for inverter drives; on-chip BCD correction simplifies display driver logic for 7-segment UI. |
Use Scenario: Distributed HVAC controller for zone temperature, fan speed, and damper actuation in commercial buildings. IC Role / Device Role / Timing Role: Fieldbus node handling Modbus RTU over RS-485 and local analog sensor conditioning. Use Value: UART with LIN support enables drop-in compatibility with legacy building networks; 4 KB data flash stores calibration coefficients and configuration profiles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100EGANA#20 | 128 KB flash, 8 KB data flash, 12 KB RAM - same 40-pin HWQFN package and peripheral set | Suitable for larger firmware images requiring OTA update partitioning or extended data logging buffers | Select when future firmware growth or field-upgrade capability is required without PCB redesign |
| R5F101EAANA#20 | No data flash (0 KB); identical core, clock, ADC, and I/O specs; same 40-pin HWQFN footprint | Targeted at cost-sensitive applications where EEPROM or external flash handles non-volatile storage | Choose to reduce BoM cost where data retention is managed externally or via external SPI flash |
Compared with R5F100EAANA#20, R5F100EGANA#20 provides headroom for complex control algorithms and secure firmware updates, while R5F101EAANA#20 trades data flash for lower unit cost - both retain identical timing, power, and pin compatibility for seamless migration.
Availability
R5F100EAANA#20 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, home appliance control, and building automation systems requiring stable component supply across multi-year production cycles.
Supply support for R5F100EAANA#20 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 industrial, automotive, and IoT markets.
The RL78/G13 family targets cost-optimized, ultra-low-power general-purpose embedded control - balancing performance, integration, and energy efficiency for battery- and line-powered edge devices.
FAQ
What is the operating voltage range for the R5F100EAANA#20?
The R5F100EAANA#20 operates from a single supply voltage of 1.6 V to 5.5 V, enabling direct compatibility with Li-ion, alkaline, and standard 3.3 V/5 V system rails. Its on-chip voltage detector (LVD) offers 14 programmable reset thresholds to ensure reliable operation across this full range, especially critical in brown-out conditions common in battery-powered R5F100EAANA#20 deployments.
Does the R5F100EAANA#20 support LIN bus communication?
Yes, the R5F100EAANA#20 supports LIN bus communication via its UART peripheral, which includes LIN-break detection, sync-field processing, and checksum calculation in hardware. This allows the R5F100EAANA#20 to serve as a LIN slave node without software overhead - essential for automotive body electronics and industrial distributed control where R5F100EAANA#20 replaces discrete transceivers and protocol stacks.
How many ADC channels does the R5F100EAANA#20 provide, and what is their resolution?
The R5F100EAANA#20 integrates a 10-bit successive-approximation ADC with up to 26 analog input channels, plus internal 1.45 V reference and temperature sensor. All channels operate across the full 1.6–5.5 V supply range, and the R5F100EAANA#20 supports simultaneous sampling triggers from timers or external events - making it ideal for multi-sensor R5F100EAANA#20 monitoring applications like HVAC and smart meters.
What debug and programming interfaces are supported by the R5F100EAANA#20?
The R5F100EAANA#20 supports on-chip debugging via the single-wire SWD interface (using pins P10 and P11), compatible with Renesas E2 studio and third-party JTAG/SWD debuggers. It also features ROM-based bootloader and self-programming capability - allowing field firmware updates via UART or CAN without external programmers. This makes R5F100EAANA#20 suitable for remote maintenance in deployed R5F100EAANA#20 systems.
Is the R5F100EAANA#20 pin-compatible with other RL78/G13 variants in the same package?
Yes, all RL78/G13 devices in the 40-pin HWQFN package - including R5F100EAANA#20, R5F100EGANA#20, and R5F101EAANA#20 - share identical pinouts and electrical characteristics. This enables direct substitution within the same footprint for memory scaling or feature trade-offs, provided firmware accounts for differences in data flash presence or capacity - a key advantage in R5F100EAANA#20-based platform design.
R5F100EAANA#20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 40-WFQFN Exposed Pad
- 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:
- 28
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 9x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F100EAANA#20 FAQ
1.How can I place an order for R5F100EAANA#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100EAANA#20 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 R5F100EAANA#20 reliable?
The price and inventory of R5F100EAANA#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100EAANA#20 is usually 5 days.
3.What payment methods are accepted for R5F100EAANA#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100EAANA#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100EAANA#20?
R5F100EAANA#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100EAANA#20 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 R5F100EAANA#20?
For technical support, including R5F100EAANA#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100EAANA#20 requirements.
6.How does Aetrix verify that R5F100EAANA#20 is sourced from the original manufacturer or authorized distributors?
All R5F100EAANA#20 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 R5F100EAANA#20 meets industry standards.
7.What is the process for return or replacement of R5F100EAANA#20?
All R5F100EAANA#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100EAANA#20, 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 R5F100EAANA#20 part is unused and in its original packaging.
Return procedure for R5F100EAANA#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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