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Renesas R5F1054AANA#40
- Part No.:
- R5F1054AANA#40
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 16-WFQFN Exposed Pad
- Datasheet:
-
R5F1054AANA#40.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 16WFQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,500
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Product details
Overview
R5F1054AANA#40 from Renesas Electronics is a 16-pin HWQFN-packaged 16-bit RL78/G11 microcontroller designed for ultra-low-power embedded control in consumer-grade applications (−40 to +85°C). It integrates 16 KB code flash, 2 KB data flash, 1.5 KB RAM, an 8/10-bit 8-channel ADC, dual 8-bit DACs, two comparators, a PGA, four 16-bit timers, two UARTs, four CSI interfaces, and four simplified I²C channels - all operating from 1.6 V to 5.5 V.
For engineers reviewing the R5F1054AANA#40 datasheet, R5F1054AANA#40 pinout, R5F1054AANA#40 application, or R5F1054AANA#40 equivalent, key selection considerations include its 3×3 mm HWQFN-16 package with 0.50-mm pitch, 24 MHz max CPU speed (33 DMIPS), 58.3 μA/MHz active current, and support for SNOOZE/HALT/STOP low-power modes - critical for battery-powered sensor nodes, smart home peripherals, and portable industrial controls.
Technical Context
The R5F1054AANA#40 implements the RL78 CISC CPU core with a 3-stage pipeline, supporting multiply/divide/MAC instructions and 1 Mbyte address space. Its clock system combines a high-accuracy ±1.0% 24 MHz on-chip oscillator (VDD = 1.8–5.5 V), selectable middle-speed (4/2/1 MHz) and low-speed (15 kHz) oscillators, and external crystal support up to 20 MHz.
Peripheral integration includes a Data Transfer Controller (DTC) with 22 activation sources, Event Link Controller (ELC) with 16 event inputs and 4 trigger outputs, and programmable peripheral I/O redirection via PIOR0–PIOR3 registers - enabling flexible signal routing without hardware changes. The device supports background operation (BGO) for data flash rewriting while executing code from program memory.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RL78 16-bit CISC with 3-stage pipeline, 33 DMIPS @ 24 MHz |
| Memory | 16 KB code flash (1 KB blocks), 2 KB data flash (1M rewrite cycles), 1.5 KB RAM |
| Power Supply | 1.6 V to 5.5 V operation; 58.3 μA/MHz active current; 0.64 μA STOP mode |
| Analog Peripherals | 8/10-bit 8-channel ADC (VDD-referenced), dual 8-bit DACs (0–VDD output), 2 comparators, 1 PGA |
| Timers & Control | Four 16-bit TAU timers, 12-bit interval timer, 8-bit interval timer ×2, watchdog timer, TKBO |
| Serial Interfaces | UART ×2, CSI (SPI-like) ×2, simplified I²C ×4, multimaster I²C ×2 |
| Package | HWQFN-16, 3 mm × 3 mm, 0.50-mm pitch, exposed die pad (VSS-connected) |
Pinout & Package
Package: HWQFN-16 (3 mm × 3 mm, 0.50-mm pitch) with exposed thermal pad connected to VSS. Pin numbering follows top-view index mark orientation (pin 1 at bottom-left corner).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P125/RESET/INTP9 | Reset input / External interrupt 9 | Active-low reset with internal POR/LVD; dual-function interrupt input for wake-up or event handling |
| P122/X2/EXCLK/SI10/RxD1/TI02/INTP1 | Crystal input / External clock / SPI input / UART1 RX / Timer input / Interrupt 1 | Multi-function pin supporting main system clock source selection and peripheral signal routing via PIOR |
| P121/X1/(TI01)/INTP2 | Crystal input / Timer input / Interrupt 2 | Primary crystal oscillator connection; configurable as timer input or external interrupt source |
| VDD | Core power supply | 1.6–5.5 V digital supply; decoupled via REGC capacitor to stabilize internal regulator |
| VSS | Digital ground | Reference for all digital I/O and internal logic; must connect to exposed die pad |
| REGC | Regulator capacitor terminal | Requires 0.47–1 μF capacitor to VSS to stabilize on-chip voltage regulator for analog/peripheral domains |
| P20/ANI0/AVREFP/IVREF1/SO10/TxD1 | Analog input / ADC reference + / Comparator ref / SPI output / UART1 TX | Shared analog/digital function pin; AVREFP sets ADC reference upper bound; SO10 enables full-duplex CSI |
| P21/ANI1/AVREFM/IVREF0 | Analog input / ADC reference − / Comparator ref | Provides differential ADC reference (AVREFP/AVREFM); IVREF0 supplies comparator reference voltage |
| P22/ANI2/PGAI/IVCMP0 | Analog input / PGA input / Comparator input 0 | Direct connection to PGA amplifier stage and comparator channel 0; supports precision analog front-end design |
| P23/ANI3/ANO1/PGAGND | Analog input / DAC output / PGA ground | ANO1 delivers 8-bit DAC output (0–VDD); PGAGND provides dedicated low-noise ground for PGA |
| P30/ANI21/KR1/TI00/TO01/INTP3/SCK11/SCL11/TxD0/PCLBUZ0/TKBO1/SDAA0 | Analog input / Key return / Timer I/O / SPI/I²C clock / UART0 TX / Buzzer / TMKB output | High-density multi-function pin supporting touch-key sensing, serial comms, and timing functions simultaneously |
| P31/ANI20/KR0/TI01/TO00/INTP4/TKBO0/RxD0/SI11/SDA11/SCLA0 | Analog input / Key return / Timer I/O / UART0 RX / SPI/I²C data / I²C address | Enables LIN-capable UART0 with key-scan and serial interface sharing; SI11 supports slave-mode CSI |
| P33/ANI18/IVCMP1/INTP11 | Analog input / Comparator input 1 / Interrupt 11 | Dedicated analog input for second comparator channel; supports window-comparator configurations |
| P40/TOOL0/TO03/(PCLBUZ0)/SCK10/VCOUT0/VCOUT1/INTFO | Debug interface / Timer output / SPI clock / Comparator output / Interrupt flag | TOOL0 enables on-chip debug; VCOUT0/1 provide comparator outputs; INTFO signals interrupt status externally |
| P56/ANI22/KR2/SO11/INTP10/(TO03)/(INTFO) | Analog input / Key return / SPI output / Interrupt 10 | Extends key-scan capability to 3 keys; SO11 supports daisy-chain SPI or I²C slave addressing |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 58.3 μA/MHz active current and 0.64 μA STOP mode enable >10-year battery life in coin-cell IoT sensors |
| Flexible clock architecture | Integrated ±1.0% 24 MHz oscillator eliminates external crystal cost and PCB area for timing-critical control loops |
| Background data flash rewrite | BGO allows firmware updates or parameter storage without halting real-time application execution |
| Programmable peripheral routing | PIOR0–PIOR3 registers remap 22+ peripheral functions to 16 pins, reducing need for external muxing logic |
| Integrated analog subsystem | 8-channel ADC, dual DACs, 2 comparators, and PGA enable closed-loop motor control or sensor signal conditioning in one chip |
| Robust interrupt management | 12 external interrupts (INTP0–INTP11), ELC event linking, and DTC reduce CPU load for time-sensitive I/O handling |
Applications
| Smart Home Sensor Node | Portable Medical Monitor |
|---|---|
|
Use Scenario: Battery-powered temperature/humidity/CO₂ sensor with BLE gateway interface. IC Role / Device Role / Timing Role: Main controller managing sensor acquisition, low-power scheduling, and UART-to-BLE bridge protocol. Use Value: 58.3 μA/MHz active current and STOP mode extend CR2032 battery life beyond 3 years; integrated ADC and DAC simplify analog front-end design. |
Use Scenario: Wearable pulse oximeter with optical sensing, LED drive, and analog signal processing. IC Role / Device Role / Timing Role: Signal processor acquiring photodiode data via ADC, driving LEDs via DAC, and computing SpO₂ in real time. Use Value: Dual 8-bit DACs (ANO1, ANO0) precisely modulate LED current; PGA amplifies weak photodiode signals before ADC conversion. |
| Industrial Panel Controller | Appliance Motor Control |
|
Use Scenario: Touch-enabled HMI for HVAC or lighting control with local logic and communication to central PLC. IC Role / Device Role / Timing Role: Human interface processor handling capacitive touch scanning (KR0–KR2), display update, and Modbus RTU over UART0. Use Value: Key interrupt controller scans 3 keys with <1 μA overhead; UART0 with LIN support ensures robust fieldbus interoperability. |
Use Scenario: Brushless DC motor driver in cordless power tools requiring commutation timing, current sensing, and fault protection. IC Role / Device Role / Timing Role: Timing controller generating PWM via TO00–TO03 outputs, sampling phase currents via ANI0–ANI3, and detecting overcurrent via comparators. Use Value: Four 16-bit TAU timers provide precise 6-step commutation timing; comparators with window mode detect instantaneous overcurrent for sub-μs shutdown. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F1054AGNA#40 | Same silicon, industrial-grade temperature range (−40 to +105°C) and higher LVD accuracy | Suitable for factory automation or automotive cabin modules requiring extended thermal stability | Select when ambient operating temperature exceeds +85°C or tighter voltage monitoring is required |
| R5F1056AASM#30 | 20-pin TSSOP package, 10-channel ADC, additional CSI/I²C channel, no EVDD pin | Better suited for designs needing more analog inputs or serial interfaces, with less stringent size constraints | Choose when board layout allows larger package and application requires ≥10 ADC channels or 3+ I²C buses |
Compared with R5F1054AANA#40, the R5F1054AGNA#40 offers identical functionality with extended temperature and voltage tolerance, while the R5F1056AASM#30 trades compactness for expanded analog and serial I/O - making the R5F1054AANA#40 optimal for space-constrained, battery-powered consumer devices requiring balanced peripheral integration.
Availability
R5F1054AANA#40 is available at Aetrix Electronics and suitable for smart home sensor nodes, portable medical monitors, and industrial panel controllers requiring stable component supply across production lifecycles.
Supply support for R5F1054AANA#40 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/G11 product line delivers true low-power embedded control for cost-sensitive consumer and industrial applications, emphasizing energy efficiency, integrated analog peripherals, and simplified development with on-chip debug and flash self-programming.
FAQ
What is the maximum operating frequency and performance of the R5F1054AANA#40?
The R5F1054AANA#40 operates at up to 24 MHz using its high-speed on-chip oscillator, delivering 33 DMIPS of processing performance. Its minimum instruction execution time is 0.04167 μs under this condition. The device also supports lower-frequency modes - including 15 kHz low-speed operation - to minimize power consumption during idle periods. All performance figures are validated across the full 1.6–5.5 V supply range and −40 to +85°C temperature range specified for the R5F1054AANA#40.
Does the R5F1054AANA#40 support in-system programming and secure firmware updates?
Yes, the R5F1054AANA#40 supports full in-system programming via its on-chip debug interface and includes boot swap functionality for safe firmware updates. It also features a flash shield window to prevent unauthorized read-out of code memory. Data flash memory supports background operation (BGO), allowing the R5F1054AANA#40 to execute application code while rewriting non-volatile parameters - essential for field-upgradable devices requiring zero downtime.
How many analog input channels does the R5F1054AANA#40 support, and what is their resolution?
The R5F1054AANA#40 integrates an 8/10-bit successive-approximation ADC with 8 external analog input channels (ANI0–ANI3, ANI18, ANI20–ANI22). Resolution is selectable per channel via control registers, supporting both 8-bit fast conversion and 10-bit high-precision acquisition. Internal references (1.45 V) and temperature sensor input are also available, and the ADC operates across the full 1.6–5.5 V supply range without external components.
What low-power modes are available on the R5F1054AANA#40, and what are their typical current draws?
The R5F1054AANA#40 offers HALT, STOP, and SNOOZE modes. In STOP mode with only LVD active, it consumes just 0.64 μA - ideal for long-term sleep states. HALT mode draws 58.3 μA/MHz during active computation, scaling linearly with clock frequency. SNOOZE mode enables selected peripherals (e.g., ADC, UART) to operate while CPU remains halted, balancing responsiveness and power savings. All modes retain RAM content and support wake-up via interrupts or reset.
Is the R5F1054AANA#40 pin-compatible with other RL78/G11 variants such as the R5F1056A or R5F1057A?
No, the R5F1054AANA#40 is not pin-compatible with R5F1056A (20-pin) or R5F1057A (24-pin) variants due to differing pin counts and HWQFN-16 vs. LSSOP/TSSOP/QFN footprints. While functional overlap exists within the RL78/G11 family, each package variant has unique pin assignments and peripheral mappings. Migration requires PCB redesign; however, software compatibility is high due to consistent register architecture and toolchain support across the family.
R5F1054AANA#40 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 16-WFQFN Exposed Pad
- Series:
- RL78/G11
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 24MHz
- Connectivity:
- CSI, I2C, UART/USART
- Peripherals:
- LVD, POR, WDT
- Number of I/O:
- 13
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 1.5K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 9x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F1054AANA#40 FAQ
1.How can I place an order for R5F1054AANA#40 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F1054AANA#40 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 R5F1054AANA#40 reliable?
The price and inventory of R5F1054AANA#40 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F1054AANA#40 is usually 5 days.
3.What payment methods are accepted for R5F1054AANA#40?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F1054AANA#40 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F1054AANA#40?
R5F1054AANA#40 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F1054AANA#40 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 R5F1054AANA#40?
For technical support, including R5F1054AANA#40 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F1054AANA#40 requirements.
6.How does Aetrix verify that R5F1054AANA#40 is sourced from the original manufacturer or authorized distributors?
All R5F1054AANA#40 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 R5F1054AANA#40 meets industry standards.
7.What is the process for return or replacement of R5F1054AANA#40?
All R5F1054AANA#40 units undergo pre-shipment inspection (PSI). If there is an issue with R5F1054AANA#40, 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 R5F1054AANA#40 part is unused and in its original packaging.
Return procedure for R5F1054AANA#40:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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