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Renesas R5F11B7EANA#U0
- Part No.:
- R5F11B7EANA#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 24-WFQFN Exposed Pad
- Datasheet:
-
R5F11B7EANA#U0.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 24HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,005
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Product details
Overview
R5F11B7EANA#U0 from Renesas is a 24-pin RL78/G1F 16-bit microcontroller with 64 KB flash, 5.5 KB RAM, and ultra-low-power operation (66 μA/MHz active, 0.57 μA in RTC+LVD mode) for battery-powered consumer applications. It integrates an 8/10-bit ADC (8 channels), 8-bit DAC (1 channel), 2 comparators, 1 PGA, 9×16-bit timers including RTC and watchdog, and serial interfaces (1×CSI, 1×UART/LIN, 1×I²C).
For engineers reviewing the R5F11B7EANA#U0 datasheet, R5F11B7EANA#U0 pinout, R5F11B7EANA#U0 application, or R5F11B7EANA#U0 equivalent, this page delivers verified electrical specs, validated 24-pin HWQFN (4×4 mm, 0.5 mm pitch) package mapping, confirmed peripheral I/O assignment, real-time clock calendar functionality, and precise low-voltage detection thresholds across −40 to +85°C.
Technical Context
The R5F11B7EANA#U0 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and selectable instruction execution time (0.03125 μs @ 32 MHz to 30.5 μs @ 32.768 kHz). Its power management includes HALT, STOP, and SNOOZE modes, plus on-chip POR and 14-level LVD with interrupt/reset selection.
Peripherals are coordinated via Event Link Controller (ELC) supporting 22 event sources and Data Transfer Controller (DTC) with 30 activation sources. Analog subsystem includes internal 1.45 V reference, temperature sensor, and programmable gain amplifier with dedicated input (PGAI) and ground (PGAGND) pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and multiply/divide/accumulate instructions |
| Flash / RAM | 64 KB code flash (1 KB blocks) + 4 KB data flash + 5.5 KB SRAM - supports background rewriting and self-programming with boot swap |
| Power Range | 1.6 V to 5.5 V supply - enables direct interface with 1.8 V, 2.5 V, and 3.3 V logic without level shifters |
| Low-Power Modes | 66 μA/MHz active current; 0.57 μA in STOP mode with RTC + LVD enabled - extends coin-cell battery life to years |
| ADC / DAC | 8/10-bit SAR ADC with 8 analog inputs, internal 1.45 V reference, and temperature sensor; 8-bit DAC with 0–VDD output range |
| Timers | 9×16-bit timers: TAU (4 ch), RJ (1 ch), RD (2 ch, PWMOPA), RG (1 ch), RX (1 ch); plus 12-bit interval timer, RTC (calendar, alarm, correction), and watchdog |
| Serial Interfaces | 1× CSI (SPI-compatible), 1× UART/LIN, 1× simplified I²C - all configurable via peripheral I/O redirection registers |
Pinout & Package
Package: 24-pin HWQFN (4 × 4 mm, 0.5 mm pitch), exposed die pad (connected to VSS), REGC capacitor terminal (0.47–1 μF to VSS).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | ANI17/TI00/TxD1/TRGCLKA/INTP8/SDAA0/IVCMP10 | Primary analog input (17), timer input, UART1 TX, event trigger clock A, external interrupt 8, I²C data, comparator 1 reference |
| P01 | ANI16/TO00/RxD1/TRGCLKB/INTP10/IVCMP11 | Analog input (16), timer output, UART1 RX, event trigger clock B, external interrupt 10, comparator 1 input |
| P10 | ANI20/SCK11/SCL11/TRDIOD1/(TxD2) | Analog input (20), CSI clock, I²C clock, timer input/output D1 - supports dual-role timing and communication |
| P11 | ANI21/SI11/SDA11/TRDIOC1 | Analog input (21), CSI data in, I²C data, timer input/output C1 - shared analog/digital path reduces pin count |
| P12 | ANI22/SO11/TRDIOB1/INTP5 | Analog input (22), CSI data out, timer input/output B1, external interrupt 5 - enables synchronized analog-triggered transfers |
| P13 | ANI23/TxD2/SO20/TRDIOA1/IrTxD | Analog input (23), UART2 TX, CSI data out, timer input/output A1, IrDA transmit - supports infrared remote control |
| P14 | ANI24/RxD2/SI20/SDA20/TRDIOD0/(SCLA0)/IrRxD | Analog input (24), UART2 RX, CSI data in, I²C data, timer input/output D0, I²C clock, IrDA receive |
| P15 | PCLBUZ1/SCK20/SCL20/TRDIOB0/(SDAA0) | Buzzer output, CSI clock, I²C clock, timer input/output B0, I²C data - unified timing resource for audio and comms |
| P20 | ANI0/AVREFP/INTP11/IVCMP12 | Analog input (0), ADC reference high, external interrupt 11, comparator 1 input - precision reference for analog measurements |
| P21 | ANI1/AVREFM/IVCMP13 | Analog input (1), ADC reference low, comparator 1 input - completes differential reference pair for noise rejection |
| P22 | ANI2/ANO0/PGAI/IVCMP0 | Analog input (2), DAC output (0), PGA input, comparator 0 input - single pin serves signal chain front-end and output |
| P72 | PCLBUZ0/INTP4/SCK00/SCL00/TRJO0/(TxD1)/(VCOUT1) | Buzzer output, external interrupt 4, CSI clock, I²C clock, timer output, UART1 TX, comparator 1 output |
| P73 | INTP3/SSI00/(TRJIO0)/(RxD1)/(VCOUT0) | External interrupt 3, serial interface select, timer input/output, UART1 RX, comparator 0 output - multi-function I/O for compact designs |
| REGC | Regulator capacitance | Connect 0.47–1 μF capacitor to VSS - stabilizes internal voltage regulator for low-noise analog operation |
| VDD / VSS | Power / Ground | Single 1.6–5.5 V supply; VSS connects to exposed die pad - ensures thermal and electrical integrity |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power HALT/STOP/SNOOZE modes | Enables sub-μA sleep states while retaining RTC and LVD - critical for energy harvesting and long-life battery systems |
| On-chip high-accuracy oscillator (±1.0%) | Eliminates external crystal for cost-sensitive applications while maintaining UART timing accuracy at 32 MHz |
| Background data flash rewriting (BGO) | Allows firmware updates or parameter storage without halting CPU execution - essential for field-upgradable devices |
| Peripheral I/O redirection (PIOR0–PIOR3) | Reassigns up to 32 alternate functions across 24 pins - maximizes flexibility in constrained PCB layouts |
| Integrated RTC with calendar and alarm | Provides 99-year date/time tracking and wake-on-alarm from STOP mode - replaces discrete real-time clock ICs |
Applications
| Smart Home Sensors | Portable Medical Devices |
|---|---|
Use Scenario: Battery-powered CO₂, humidity, and temperature sensor node transmitting data via UART to gateway. IC Role / Device Role / Timing Role: Main system controller managing ADC sampling, RTC-timed data logging, LIN-compatible UART transmission, and ultra-low-power sleep scheduling. Use Value: 0.57 μA STOP current with RTC+LVD extends CR2032 battery life beyond 5 years; integrated LVD prevents brownout-induced data corruption. | Use Scenario: Handheld pulse oximeter with analog front-end, buzzer feedback, and USB-serial interface. IC Role / Device Role / Timing Role: Signal processor acquiring ADC samples from photodiode, driving PCLBUZ0/PCLBUZ1 for audible alerts, and formatting UART output for host PC. Use Value: Single-supply 1.6–5.5 V operation eliminates need for boost converter; internal 1.45 V reference ensures consistent ADC accuracy across battery discharge. |
| Industrial Control Panels | Consumer Appliance Controllers |
Use Scenario: Front-panel controller for HVAC system with keypad scan, display backlight PWM, and RS-485 communication. IC Role / Device Role / Timing Role: Keypad scanner using KR0–KR7 inputs, PWM generator for LED dimming via Timer RD, and UART-to-RS485 transceiver interface. Use Value: Key interrupt function reduces CPU polling overhead; 8-channel ADC monitors thermistor and voltage rails without external MUX. | Use Scenario: Washing machine main control unit managing motor drive signals, water level sensing, and user interface. IC Role / Device Role / Timing Role: System orchestrator reading analog water pressure sensor, generating PWM for BLDC motor control, and driving buzzer for cycle completion. Use Value: Integrated 2× comparators enable zero-crossing detection for motor commutation; PGAI amplifies low-level sensor signals before ADC conversion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F11B7CANA#U0 | 32 KB flash (vs. 64 KB), identical package, peripherals, and low-power profile | Suitable for firmware under 32 KB where code size permits reduction | Select when application firmware fits in 32 KB and cost optimization is prioritized over future scalability |
| R5F11BBEANA#U0 | 32-pin HWQFN (5×5 mm), adds 8 I/O pins, 2 extra ADC channels, and second DAC channel | Required when additional analog I/O or GPIO is needed beyond 24-pin limits | Choose when design requires >20 GPIO or >8 ADC inputs, accepting larger footprint and higher pin count |
Compared with R5F11B7CANA#U0, the R5F11B7EANA#U0 provides double flash capacity for complex firmware or OTA update partitions; versus R5F11BBEANA#U0, it trades I/O count and analog resources for minimal board area in space-constrained consumer enclosures.
Availability
R5F11B7EANA#U0 is available at Aetrix Electronics and suitable for smart home sensors, portable medical devices, and industrial control panels requiring stable component supply, long-term lifecycle support, and guaranteed traceability for ISO 13485 and IEC 61508 compliance.
Supply support for R5F11B7EANA#U0 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/G1F product line delivers true low-power performance for general-purpose embedded applications, combining ultra-low active/sleep currents with rich analog integration and functional safety features.
FAQ
What is the maximum operating frequency and corresponding supply voltage range for the R5F11B7EANA#U0?
The R5F11B7EANA#U0 supports up to 32 MHz CPU operation using its high-speed on-chip oscillator. At this frequency, the required supply voltage is 2.7–5.5 V. For lower voltages (1.6–1.8 V), maximum frequency is reduced to 4 MHz in LV mode. The datasheet specifies 1.6–5.5 V operation across −40 to +85°C ambient, with frequency scaling managed automatically by the clock controller based on VDD level.
Does the R5F11B7EANA#U0 support hardware debugging during development?
Yes, the R5F11B7EANA#U0 includes an on-chip debug function accessible via TOOL0, TOOLTxD, and TOOLRxD pins. However, Renesas explicitly cautions against using this feature in mass-produced units due to potential flash memory wear-out beyond guaranteed rewrite cycles. For production firmware, debugging should be completed pre-deployment, and the debug interface disabled in final configuration.
How many analog input channels does the R5F11B7EANA#U0 support, and what is their resolution?
The R5F11B7EANA#U0 supports 8 analog input channels (ANI0–ANI7) with selectable 8-bit or 10-bit resolution. All channels operate across the full 1.6–5.5 V supply range and can use either internal 1.45 V reference or external AVREFP/AVREFM. The ADC also integrates a temperature sensor and supports simultaneous sampling with the programmable gain amplifier (PGA) on ANI2/PGAI.
What packaging and pin-count options exist for the R5F11B7EANA#U0, and is it pin-compatible with other RL78/G1F variants?
The R5F11B7EANA#U0 is exclusively offered in 24-pin HWQFN (4×4 mm, 0.5 mm pitch) with tray packaging (#U0). It is not pin-compatible with 32-pin, 36-pin, 48-pin, or 64-pin RL78/G1F variants due to differing pin counts, functions, and physical dimensions. Pin assignments are specific to the 24-pin variant and validated in the R01DS0246EJ0130 datasheet Figure 1.3.1.
Can the R5F11B7EANA#U0 generate precise PWM signals for motor control or LED dimming?
Yes, the R5F11B7EANA#U0 supports PWM generation through its Timer RD module (2 channels with PWMOPA function) and Timer Array Unit (TAU), delivering up to 8 PWM outputs. Output resolution is determined by timer clock source and prescaler settings, with typical 8–16 bit effective resolution. The device also provides complementary PWM outputs and dead-time insertion capability via hardware configuration of Timer RD registers.
R5F11B7EANA#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 24-WFQFN Exposed Pad
- Series:
- RL78/G1F
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CSI, I2C, IrDA, LINbus, UART/USART
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 20
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 5.5K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 8x10b; D/A 1x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F11B7EANA#U0 FAQ
1.How can I place an order for R5F11B7EANA#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F11B7EANA#U0 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 R5F11B7EANA#U0 reliable?
The price and inventory of R5F11B7EANA#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F11B7EANA#U0 is usually 5 days.
3.What payment methods are accepted for R5F11B7EANA#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F11B7EANA#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F11B7EANA#U0?
R5F11B7EANA#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F11B7EANA#U0 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 R5F11B7EANA#U0?
For technical support, including R5F11B7EANA#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F11B7EANA#U0 requirements.
6.How does Aetrix verify that R5F11B7EANA#U0 is sourced from the original manufacturer or authorized distributors?
All R5F11B7EANA#U0 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 R5F11B7EANA#U0 meets industry standards.
7.What is the process for return or replacement of R5F11B7EANA#U0?
All R5F11B7EANA#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F11B7EANA#U0, 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 R5F11B7EANA#U0 part is unused and in its original packaging.
Return procedure for R5F11B7EANA#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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