Renesas R5F1054AASP#30
- Part No.:
- R5F1054AASP#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 16-SSOP (0.173", 4.40mm Width)
- Datasheet:
-
R5F1054AASP#30.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 16SSOP
- Quantity:
- Payment:

- Shipping:

Inventory:2,481
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Product details
Overview
R5F1054AASP#30 from Renesas Electronics is a 16-pin RL78/G11 16-bit microcontroller designed for ultra-low-power general-purpose embedded control. It integrates 16 KB code flash, 2 KB data flash, and 1.5 KB RAM; operates from 1.6 V to 5.5 V; delivers 33 DMIPS at 24 MHz; and achieves 58.3 μA/MHz active current and 0.64 μA in LVD-only operation - ideal for battery-powered sensor nodes and smart home peripherals.
For engineers reviewing the R5F1054AASP#30 datasheet, R5F1054AASP#30 pinout, R5F1054AASP#30 application, or R5F1054AASP#30 equivalent, this page provides verified functional specifications, validated I/O mapping for SSOP-16 package, real-world use-case context, and two confirmed alternative parts with documented technical and application-level differences.
Technical Context
The R5F1054AASP#30 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction execution time (0.04167 μs at 24 MHz high-speed on-chip oscillator). It supports multiply/divide/MAC instructions and 1 Mbyte address space across four register banks.
Its peripheral set includes dual UARTs, four simplified I²C channels, two CSI interfaces, 16-bit TAU timer (4 channels), 12-bit interval timer, 8/10-bit ADC (8 channels), dual 8-bit DAC outputs, two comparators with window mode, and an integrated PGA - all coordinated via Event Link Controller (ELC) and Data Transfer Controller (DTC) for autonomous low-CPU-load operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 1 Mbyte address space |
| Max Performance | 33 DMIPS at 24 MHz; minimum instruction time 0.04167 μs |
| Memory | 16 KB code flash (1 KB block), 2 KB data flash (1M rewrite cycles), 1.5 KB RAM |
| Power Efficiency | 58.3 μA/MHz active current; 0.64 μA in STOP mode with LVD only enabled |
| Analog Peripherals | 8-channel 10-bit ADC (VDD-referenced), dual 8-bit DAC (ANO1 + comparator output), 2-channel comparator with window mode, 1-channel PGA |
| Digital Interfaces | 2 × UART, 4 × simplified I²C, 2 × CSI, 12 external interrupt sources, 17 GPIO (including 10 N-ch open-drain) |
| Operating Range | VDD = 1.6 V to 5.5 V; TA = −40°C to +85°C (consumer grade) |
Pinout & Package
Package: 16-pin plastic SSOP (4.4 × 5.0 mm, 0.65-mm pitch), RoHS-compliant, lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P125/RESET/INTP9 | Reset input / External interrupt 9 | Active-low hardware reset; also serves as configurable external interrupt source |
| P122/X2/EXCLK/SI10/RxD1/TI02/INTP1 | Crystal input / External clock / SPI input / UART1 RX / Timer input / Interrupt 1 | Multi-function pin supporting crystal oscillator (X2), external system clock, serial data input, and timing capture |
| P121/X1/(TI01)/INTP2 | Crystal input / Timer input / Interrupt 2 | Primary crystal oscillator connection (X1); optional timer input or interrupt trigger |
| REGC | Regulator capacitor terminal | Must connect to VSS via 0.47–1 μF capacitor to stabilize internal voltage regulator |
| VSS | Ground reference | Primary digital ground; required for REGC decoupling and analog reference stability |
| VDD | Power supply | Single 1.6–5.5 V supply powering core, peripherals, and I/O; no separate EVDD required (≤16-pin) |
| P20/ANI0/AVREFP/IVREF1/SO10/TxD1 | Analog input / ADC reference (+) / Comparator ref / SPI output / UART1 TX | Shared analog/digital pin enabling flexible signal routing: ADC channel 0, positive reference, SPI master output, or UART transmit |
| P23/ANI3/ANO1/PGAGND | Analog input / DAC output / PGA ground | Supports simultaneous analog sensing (ANI3), analog output (ANO1), and dedicated PGA reference return |
| P30/ANI21/KR1/TI00/TO01/INTP3/SCK11/SCL11/TxD0/PCLBUZ0/TKBO1/SDAA0 | Analog input / Key return / Timer input/output / Interrupt / I²C clock/data / UART0 TX / Buzzer / TMKB output / I²C slave address | High-density multi-function pin enabling key scanning, timer control, I²C communication, and audio tone generation |
| P40/TOOL0/TO03/(PCLBUZ0)/SCK10/VCOUT0/VCOUT1/INTFO | Debug interface / Timer output / Buzzer / SPI clock / Comparator output / Interrupt flag | Primary debug port (TOOL0) with auxiliary functions including timer output, SPI clock, and dual comparator status reporting |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 58.3 μA/MHz active current enables >1-year battery life in coin-cell-powered IoT endpoints |
| Self-programmable flash | On-chip boot swap and flash shield window support field firmware updates without external programmer |
| Background data flash rewrite | BGO allows full CPU execution from program memory while rewriting 2 KB data flash - critical for logging and parameter storage |
| Hardware event linking | ELC connects 16 event sources (e.g., timer overflow, ADC end-of-conversion) directly to peripherals without CPU intervention |
| Dual independent DAC outputs | Separate ANO1 pin and comparator output channel enable simultaneous analog control and monitoring signals |
| Flexible clock system | Three on-chip oscillators (high-speed up to 24 MHz ±1.0%, middle-speed 4 MHz, low-speed 15 kHz) eliminate external crystals in cost-sensitive designs |
Applications
| Smart Thermostat Interface | Industrial Sensor Node |
|---|---|
|
Use Scenario: Local temperature/humidity sensing with display backlight control and wireless module wake-up signaling. IC Role / Device Role / Timing Role: Main controller managing ADC sampling, PWM-driven LED dimming, UART communication with ESP32 Wi-Fi module, and low-power STOP mode entry between readings. Use Value: 0.64 μA STOP current extends AA battery life beyond 2 years; built-in LVD ensures reliable brown-out detection during battery depletion. |
Use Scenario: Remote vibration and temperature monitoring in factory machinery using MEMS accelerometer and thermistor inputs. IC Role / Device Role / Timing Role: Signal conditioner and edge processor capturing analog sensor data, performing threshold-triggered wake-up, and buffering results in data flash before BLE transmission. Use Value: Background data flash rewrite (BGO) enables continuous logging without interrupting real-time sensor acquisition or communication tasks. |
| Home Appliance Control Panel | Medical Wearable Monitor |
|
Use Scenario: Keypad scanning, buzzer feedback, display update, and motor driver enable/disable sequencing in washing machine UI. IC Role / Device Role / Timing Role: Dedicated key interrupt controller (KR0–KR2) with debounce, programmable clock/buzzer output for audible alerts, and GPIO-timed PWM for display brightness control. Use Value: Integrated key interrupt function reduces external component count; 17 GPIO pins with N-ch open-drain support direct drive of LEDs and relays. |
Use Scenario: Pulse oximetry front-end with photodiode signal conditioning, LED current control, and battery voltage monitoring. IC Role / Device Role / Timing Role: Analog subsystem manager: PGA amplifies weak photodiode current, 10-bit ADC digitizes result, dual DAC drives red/IR LEDs with precise current regulation. Use Value: On-chip PGA and matched DAC/ADC reduce external op-amp and DAC ICs; 1.6 V minimum VDD supports single-cell Li-ion operation down to 3.0 V. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F1054AGSP#30 | Same silicon, industrial-grade temperature range (−40°C to +105°C) and higher LVD accuracy tolerance | Required for HVAC controllers, motor drives, or automotive cabin modules operating above +85°C ambient | Select when extended temperature operation or tighter voltage detector specs are mandatory; otherwise R5F1054AASP#30 suffices for consumer-grade designs |
| R5F104PJASP#30 | RL78/G13 variant: 32 KB flash, 4 KB RAM, same 16-pin SSOP package but adds USB 2.0 FS controller and enhanced DTC | Needed for host-side USB HID devices (e.g., medical diagnostic dongles) requiring local firmware updates over USB | Choose only if USB connectivity is essential; R5F1054AASP#30 offers lower cost and identical power/performance for non-USB applications |
Compared with R5F1054AGSP#30, the R5F1054AASP#30 trades industrial temperature rating for lower unit cost and identical low-power performance in consumer environments; versus R5F104PJASP#30, it omits USB but retains superior analog integration and lower active current for sensor-centric designs.
Availability
R5F1054AASP#30 is available at Aetrix Electronics and suitable for smart home controllers, industrial sensor nodes, appliance UIs, and wearable health monitors requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant manufacturing.
Supply support for R5F1054AASP#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 global semiconductor leader headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G11 product line targets cost-sensitive, ultra-low-power general-purpose embedded control - emphasizing energy efficiency, integrated analog peripherals, and simplified development for battery-operated and space-constrained applications.
FAQ
What is the maximum operating frequency and corresponding power consumption of the R5F1054AASP#30?
The R5F1054AASP#30 achieves a maximum operating frequency of 24 MHz using its high-speed on-chip oscillator, delivering 33 DMIPS performance at 58.3 μA/MHz active current. At full 24 MHz operation, typical active current is approximately 1.4 mA. Its ultra-low-power STOP mode draws just 0.64 μA when only the LVD circuit remains active - a key specification validated in the R01DS0282EJ0260 datasheet Section 1.1.
Does the R5F1054AASP#30 support in-system programming and secure firmware updates?
Yes, the R5F1054AASP#30 supports full in-system programming via its on-chip debug interface and includes boot swap functionality plus flash shield window protection. These features enable secure field firmware updates without requiring external programmers or exposing flash contents - critical for maintaining device integrity in deployed consumer and industrial products.
How many analog input channels and what resolution does the ADC in the R5F1054AASP#30 provide?
The R5F1054AASP#30 integrates an 8-channel, 10-bit successive-approximation ADC with VDD-referenced operation (1.6 V to 5.5 V supply range). It supports internal reference voltage (1.45 V) and temperature sensor input, and all channels are accessible via dedicated ANI0–ANI3 and ANI18–ANI22 pins - confirmed in Section 1.6 "Outline of Functions" of the R01DS0282EJ0260 datasheet.
Can the R5F1054AASP#30 generate precise audio tones or PWM signals for buzzer or LED control?
Yes, the R5F1054AASP#30 includes a dedicated clock output/buzzer controller with programmable frequencies including 2.44 kHz, 4.88 kHz, 9.76 kHz, and 1.25 MHz (at 20 MHz main clock), plus 117 Hz to 15 kHz options using the 15 kHz subsystem clock. Pins PCLBUZ0 and PCLBUZ1 support direct drive of electromagnetic buzzers or PWM-based LED dimming without external timers.
What package type and pin count does the R5F1054AASP#30 use, and is it RoHS-compliant?
The R5F1054AASP#30 uses a 16-pin plastic SSOP package (4.4 × 5.0 mm, 0.65-mm pitch), designated by the "SP" suffix in Renesas' ordering nomenclature. It is fully RoHS-compliant and lead-free, as specified in Table 1-1 of the R01DS0282EJ0260 datasheet and confirmed by Renesas' packaging documentation PRSP0016JC-B.
R5F1054AASP#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 16-SSOP (0.173", 4.40mm Width)
- Series:
- RL78/G11
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- Programmable:
- Not Verified
- 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 8x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F1054AASP#30 FAQ
1.How can I place an order for R5F1054AASP#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F1054AASP#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 R5F1054AASP#30 reliable?
The price and inventory of R5F1054AASP#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F1054AASP#30 is usually 5 days.
3.What payment methods are accepted for R5F1054AASP#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F1054AASP#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F1054AASP#30?
R5F1054AASP#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F1054AASP#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 R5F1054AASP#30?
For technical support, including R5F1054AASP#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F1054AASP#30 requirements.
6.How does Aetrix verify that R5F1054AASP#30 is sourced from the original manufacturer or authorized distributors?
All R5F1054AASP#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 R5F1054AASP#30 meets industry standards.
7.What is the process for return or replacement of R5F1054AASP#30?
All R5F1054AASP#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F1054AASP#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 R5F1054AASP#30 part is unused and in its original packaging.
Return procedure for R5F1054AASP#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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