Renesas R5F1054AANA#00
- Part No.:
- R5F1054AANA#00
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 16-WFQFN Exposed Pad
- Datasheet:
-
R5F1054AANA#00.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 16WFQFN
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F1054AANA#00 from Renesas Electronics is a 16-pin HWQFN-packaged RL78/G11 16-bit microcontroller designed for ultra-low-power general-purpose embedded control. 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, UART/SPI/I²C interfaces, and operates from 1.6 V to 5.5 V across -40°C to +85°C ambient.
For engineers reviewing the R5F1054AANA#00 datasheet, R5F1054AANA#00 pinout, R5F1054AANA#00 application, or R5F1054AANA#00 equivalent, key selection criteria include its 16-pin HWQFN (3 × 3 mm, 0.50-mm pitch) footprint, 24 MHz max CPU speed with 33 DMIPS performance, true low-power operation (58.3 μA/MHz active, 0.64 μA in LVD-only mode), and integrated analog peripherals for sensor interfacing and closed-loop control.
Technical Context
The R5F1054AANA#00 implements the RL78 CPU core-a CISC architecture with 3-stage pipeline-supporting multiply/divide/MAC instructions and 1 Mbyte address space. Its clock system combines selectable high-speed on-chip oscillator (up to 24 MHz ±1.0%), middle-speed (4/2/1 MHz), and low-speed (15 kHz) oscillators, enabling dynamic power/performance scaling across HALT, STOP, and SNOOZE modes.
Peripheral integration includes a Data Transfer Controller (DTC) with 22 activation sources, Event Link Controller (ELC) supporting 16 event inputs and 4 trigger outputs, and configurable I/O ports (13 total, including N-ch open-drain capable of 1.8/2.5/3.0 V interface). The device supports background operation (BGO) for data flash rewriting while executing program code.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC CPU with 3-stage pipeline, 33 DMIPS @ 24 MHz |
| Memory | 16 KB code flash (1 KB block size), 2 KB data flash (1M rewrite cycles), 1.5 KB RAM |
| Operating Voltage | 1.6 V to 5.5 V supply range enables direct battery operation (e.g., 2×AA, Li-ion, or coin cell backup) |
| Power Consumption | 58.3 μA/MHz active current; 0.64 μA in STOP mode with only LVD enabled |
| Analog Peripherals | 8-channel 10-bit ADC (VDD-referenced), dual 8-bit DACs (0–VDD output), 2 comparators with window mode, 1 PGA |
| Timers & Control | Four 16-bit TAU channels, 12-bit interval timer, watchdog timer, timer KB, and 8-bit interval timer |
| Serial Interfaces | Two UART channels, four CSI (SPI-compatible) channels, four simplified I²C channels, two multimaster I²C channels |
Pinout & Package
Package: HWQFN-16 (3 × 3 mm, 0.50-mm pitch), exposed die pad connected to VSS per datasheet recommendation. REGC requires 0.47–1 μF capacitor to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P20/ANI0/AVREFP/IVREF1/SO10/TxD1 | Analog input / ADC reference (+) / comparator ref / SPI output / UART TX | Multi-function pin supporting precision analog sensing, reference voltage sourcing, and serial communication |
| P21/ANI1/AVREFM/IVREF0 | Analog input / ADC reference (−) / comparator ref | Enables ratiometric ADC measurements and differential comparator operation |
| P22/ANI2/PGAI/IVCMP0 | Analog input / PGA input / comparator input | Direct connection to programmable gain amplifier for sensor signal conditioning prior to ADC |
| P23/ANI3/ANO1/PGAGND | Analog input / DAC output / PGA ground | Provides dedicated analog output (ANO1) and isolated PGA reference ground for noise-sensitive designs |
| P30/ANI21/KR1/TI00/TO01/INTP3/SCK11/SCL11/TxD0/PCLBUZ0/TKBO1/SDAA0 | Analog input / key return / timer I/O / SPI/I²C clock / UART TX / buzzer / TMKB output | High-density multiplexing supports mixed-signal control, touch sensing, and multi-protocol serial comms |
| P31/ANI20/KR0/TI01/TO00/INTP4/TKBO0/RxD0/SI11/SDA11/SCLA0 | Analog input / key return / timer I/O / UART RX / SPI/I²C data / I²C address | Enables simultaneous UART, I²C, and key scan functions without external logic |
| P33/ANI18/IVCMP1/INTP11 | Analog input / comparator input / external interrupt | Allows fast wake-up from STOP mode on analog threshold crossing or external event |
| P40/TOOL0/TO03/(PCLBUZ0)/SCK10/VCOUT0/VCOUT1/INTFO | Debug interface / timer output / SPI clock / comparator output / interrupt flag | Combines programming/debug access, timing generation, and real-time status signaling in one pin |
| P56/ANI22/KR2/SO11/INTP10/(TO03)/(INTFO) | Analog input / key return / SPI output / external interrupt | Extends analog sensing and human-interface capability with interrupt-driven responsiveness |
| P125/RESET/INTP9 | Reset input / external interrupt | Dual-role pin simplifies board-level reset circuitry and enables hardware-triggered recovery |
| P137/INTP0/TI03 | External interrupt / timer input | Supports edge-triggered wake-up and precise external event capture |
| P122/X2/EXCLK/SI10/RxD1/TI02/INTP1 | Clock input / serial data / UART RX / timer input / interrupt | Enables crystal-based timing, secondary serial channel, and flexible event capture |
| P121/X1/(TI01)/INTP2 | Clock input / timer input / interrupt | Primary crystal oscillator connection with fallback timer/interrupt functionality |
| REGC | Regulator capacitance | Must be decoupled to VSS with 0.47–1 μF capacitor to stabilize internal voltage regulator |
| VDD | Power supply | Main supply rail (1.6–5.5 V); powers digital and analog circuits except EVDD (not present on 16-pin variant) |
| VSS | Ground | Digital/analog common reference; exposed die pad must be connected to this node |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 58.3 μA/MHz active current and 0.64 μA STOP mode enable multi-year battery life in portable sensors |
| Integrated analog subsystem | 8-channel 10-bit ADC, dual 8-bit DACs, 2 comparators, and 1 PGA eliminate need for external signal-conditioning ICs |
| Flexible clock architecture | Three independent on-chip oscillators (high/middle/low speed) allow runtime switching to match workload and power budget |
| Background data flash rewriting | BGO enables firmware updates or parameter storage without halting application execution |
| Hardware-accelerated peripherals | DTC offloads CPU during memory transfers; ELC synchronizes peripheral events without software intervention |
| Robust I/O interface | N-ch open-drain ports support mixed-voltage systems (1.8/2.5/3.0 V) and simplify level-shifting design |
Applications
| Smart Home Sensor Node | Industrial Temperature Controller |
|---|---|
|
Use Scenario: Battery-powered occupancy, temperature, and humidity sensor transmitting data via UART-to-LoRaWAN gateway. IC Role / Device Role / Timing Role: Central controller managing ADC sampling, DAC-based calibration offset correction, low-power sleep/wake scheduling, and UART framing. Use Value: 0.64 μA STOP mode extends 2×AA battery life beyond 5 years; integrated DAC eliminates external trimming components. |
Use Scenario: DIN-rail mounted HVAC controller reading thermistor/RTD inputs, driving SSRs via PWM, and communicating via Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Real-time analog acquisition engine with 12-bit interval timer for precise 100-ms sampling intervals and UART baud rate generation. Use Value: Dual comparators enable fast overtemperature shutdown; 16 KB flash accommodates field-upgradable control algorithms. |
| Medical Wearable Monitor | Appliance Motor Control Interface |
|
Use Scenario: Wrist-worn pulse oximeter using photodiode signals conditioned by PGA and digitized by ADC for SpO₂ calculation. IC Role / Device Role / Timing Role: Analog front-end processor performing PGA gain adjustment, synchronized ADC conversion, and digital filtering via DOC. Use Value: Single-chip integration of PGA + ADC + DOC reduces BOM count and PCB area; 1.6 V min VDD supports single-cell lithium operation. |
Use Scenario: Washing machine main control board monitoring motor current (via shunt + ADC), detecting door lock status (key interrupt), and generating buzzer feedback. IC Role / Device Role / Timing Role: System supervisor handling safety-critical analog monitoring, mechanical interlock detection, and audible user feedback via PCLBUZ0/1. Use Value: Key interrupt function detects door latch transitions with no CPU polling; built-in buzzer controller drives piezo directly without external driver. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F1054AASP#30 | Same core, memory, and peripherals; packaged in 16-pin SSOP (4.4 × 5.0 mm, 0.65-mm pitch) instead of HWQFN | Preferred for through-hole prototyping or legacy PCB layouts requiring larger pitch and easier rework | Select when board assembly uses SSOP footprints or manual soldering is required; thermal performance differs due to package construction |
| R5F1056AANA#00 | 20-pin HWQFN variant with 10-channel ADC, additional I/O (17 pins), CSI/I²C channel expansion, and key interrupt support (5 channels) | Suitable for designs requiring more analog inputs, expanded serial connectivity, or capacitive touch key scanning | Choose when system scalability demands extra I/O or enhanced analog acquisition without changing package footprint family |
Compared with R5F1054AANA#00, R5F1054AASP#30 offers identical functionality in a larger, more serviceable package, while R5F1056AANA#00 provides increased I/O count and analog channel density at the cost of slightly higher pin count-both require layout revision but preserve software compatibility within the RL78/G11 family.
Availability
R5F1054AANA#00 is available at Aetrix Electronics and suitable for smart home sensor nodes, industrial temperature controllers, and medical wearable monitors requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability validation.
Supply support for R5F1054AANA#00 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 global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G11 product line delivers true low-power 16-bit MCU performance for cost-sensitive, battery-operated, and resource-constrained embedded applications-emphasizing energy efficiency, integrated analog, and rapid time-to-market.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F1054AANA#00?
The R5F1054AANA#00 achieves a maximum CPU clock of 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 operation down to 15 kHz for ultra-low-power modes, maintaining full functionality across the entire 1.6–5.5 V supply range.
Does the R5F1054AANA#00 support in-system programming and secure firmware updates?
Yes, the R5F1054AANA#00 includes an on-chip debug function and self-programming capability with boot swap and flash shield window features. It supports background operation (BGO) for data flash rewriting while executing application code, enabling safe over-the-air or field firmware updates without system interruption. The flash library uses RAM starting at address FF900H for these operations.
How many analog input channels does the R5F1054AANA#00 support, and what is their resolution?
The R5F1054AANA#00 integrates an 8/10-bit resolution A/D converter with 8 external analog input channels (ANI0–ANI3, ANI18, ANI20–ANI22) and supports internal reference voltage (1.45 V) and temperature sensor readings. The ADC operates across the full 1.6–5.5 V supply range, with AVREFP and AVREFM pins enabling precise ratiometric measurements.
What serial communication interfaces are integrated into the R5F1054AANA#00?
The R5F1054AANA#00 includes two UART channels, four CSI (SPI-compatible) channels, four simplified I²C channels, and two multimaster I²C channels. These interfaces support concurrent operation-for example, UART for host communication, CSI for sensor data acquisition, and I²C for EEPROM or display control-without requiring external bus expanders.
Is the R5F1054AANA#00 pin-compatible with other RL78/G11 variants such as the R5F1056AANA#00?
No, the R5F1054AANA#00 (16-pin HWQFN) is not pin-compatible with the R5F1056AANA#00 (20-pin HWQFN). While both share identical core architecture, memory map, and peripheral register layout, their pin counts, physical dimensions, and I/O allocations differ. Migration requires PCB redesign but preserves firmware compatibility within the RL78/G11 family.
R5F1054AANA#00 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#00 FAQ
1.How can I place an order for R5F1054AANA#00 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F1054AANA#00 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#00 reliable?
The price and inventory of R5F1054AANA#00 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F1054AANA#00 is usually 5 days.
3.What payment methods are accepted for R5F1054AANA#00?
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Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F1054AANA#00?
R5F1054AANA#00 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F1054AANA#00 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#00?
For technical support, including R5F1054AANA#00 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F1054AANA#00 requirements.
6.How does Aetrix verify that R5F1054AANA#00 is sourced from the original manufacturer or authorized distributors?
All R5F1054AANA#00 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#00 meets industry standards.
7.What is the process for return or replacement of R5F1054AANA#00?
All R5F1054AANA#00 units undergo pre-shipment inspection (PSI). If there is an issue with R5F1054AANA#00, 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#00 part is unused and in its original packaging.
Return procedure for R5F1054AANA#00:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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