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Renesas R5F1054AASP#70
- Part No.:
- R5F1054AASP#70
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 16-SSOP (0.173", 4.40mm Width)
- Datasheet:
-
R5F1054AASP#70.pdf
- Description:
- 16-BIT GENERAL MCU RL78/G11 16K
- Quantity:
- Payment:
- Shipping:
Inventory:3,639
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Product details
Overview
R5F1054AASP#70 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, 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 simplified I²C channels, and two CSI interfaces - all operating from 1.6 V to 5.5 V with 58.3 μA/MHz active current consumption. It targets battery-powered sensor nodes and industrial control panels requiring reliable mixed-signal integration.
For engineers reviewing the R5F1054AASP#70 datasheet, R5F1054AASP#70 pinout, R5F1054AASP#70 application, or R5F1054AASP#70 equivalent, this page delivers verified technical context, package-validated pin functions, real-world use cases in consumer and industrial settings, and two confirmed alternative parts with documented functional trade-offs.
Technical Context
The R5F1054AASP#70 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and selectable instruction execution times (0.04167 μs at 24 MHz high-speed on-chip oscillator or 66.6 μs at 15 kHz low-speed mode). It supports self-programming with boot swap and flash shield window functions, plus background operation (BGO) for concurrent code execution during data flash rewriting.
Its power management includes HALT, STOP, and SNOOZE modes; on-chip POR and 14-level LVD; and regulator capacitance (REGC) pin for internal voltage regulation. Peripheral coordination is handled by the Event Link Controller (ELC), supporting 16 event inputs and 4 trigger outputs, and the Data Transfer Controller (DTC) with 22 activation sources including timer, UART, and ADC interrupts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and multiply/divide/accumulate instructions |
| Flash Memory | 16 KB code flash (1 KB block size) + 2 KB data flash rated for 1M rewrites at 1.8–5.5 V |
| Operating Voltage | 1.6 V to 5.5 V supply range enables direct interface with 1.8 V, 2.5 V, and 3.3 V peripherals |
| ADC/DAC | 8/10-bit ADC with 8 analog inputs and internal 1.45 V reference; dual 8-bit DACs with 0–VDD output range |
| Timers & Interfaces | Four 16-bit TAU timers, one 12-bit interval timer, two UARTs, four simplified I²C channels, two CSI interfaces |
| Power Efficiency | 58.3 μA/MHz active current; 0.64 μA in STOP mode with only LVD enabled |
| Temperature Range | -40°C to +85°C ambient operation (Consumer-grade A-specification) |
Pinout & Package
Package: 16-pin plastic SSOP (4.4 × 5.0 mm, 0.65-mm pitch), RoHS-compliant, JEDEC MS-012AC compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P20/ANI0/AVREFP/IVREF1/SO10/TxD1 | Analog input / ADC reference (+) / comparator reference / SPI output / UART transmit | Multi-function pin supporting precision analog sensing, reference biasing, serial communication, and digital output |
| P21/ANI1/AVREFM/IVREF0 | Analog input / ADC reference (−) / comparator reference | Provides differential reference pair for ADC and comparator; enables ratiometric measurement accuracy |
| P22/ANI2/PGAI/IVCMP0 | Analog input / PGA input / comparator input | Direct connection to programmable gain amplifier and comparator channel 0 for signal conditioning |
| P23/ANI3/ANO1/PGAGND | Analog input / DAC output / PGA ground | Supports analog output generation (ANO1) and dedicated ground return for PGA signal integrity |
| P33/ANI18/IVCMP1/INTP11 | Analog input / comparator input / external interrupt | Enables analog threshold detection with immediate interrupt response for fast event handling |
| P31/ANI20/KR0/TI01/TO00/INTP4/TKBO0/RxD0/SI11/SDA11/SCLA0 | Analog input / key return / timer input/output / interrupt / UART receive / SPI/I²C interface | High-density peripheral multiplexing ideal for compact HMI and sensor fusion designs |
| P30/ANI21/KR1/TI00/TO01/INTP3/SCK11/SCL11/TxD0/PCLBUZ0/TKBO1/SDAA0 | Analog input / key return / timer I/O / interrupt / UART transmit / clock/data lines / buzzer output | Combines timing, communication, audio feedback, and user interface functions in single pin group |
| P56/ANI22/KR2/SO11/INTP10/(TO03)/(INTFO) | Analog input / key return / SPI output / interrupt / optional timer output/interrupt flag | Extends analog sensing and key scanning capability while retaining flexibility for system signaling |
| P40/TOOL0/TO03/(PCLBUZ0)/SCK10/VCOUT0/VCOUT1/INTFO | Tool interface / timer output / optional buzzer / SPI clock / comparator outputs / interrupt flag | Supports debug programming, timing generation, status indication, and diagnostic signaling |
| P125/RESET/INTP9 | Reset input / external interrupt | Dual-role pin enabling hardware reset assertion and wake-up from low-power modes via external event |
| P137/INTP0/TI03 | External interrupt / timer input | Primary wake-up source for STOP/HALT modes and edge-triggered timing capture |
| P122/X2/EXCLK/SI10/RxD1/TI02/INTP1 | Crystal input / external clock / SPI input / UART receive / timer input / interrupt | Enables crystal-based timing, external clock synchronization, and multi-protocol serial reception |
| P121/X1/(TI01)/INTP2 | Crystal input / optional timer input / interrupt | Completes crystal oscillator circuit; provides secondary interrupt/timing path when not used for X1 |
| REGC | Regulator capacitance | Must be connected to VSS via 0.47–1 μF capacitor to stabilize internal voltage regulator |
| VSS | Ground | Primary digital ground reference; must be low-impedance connection for noise-sensitive analog circuits |
| VDD | Power supply | Main 1.6–5.5 V supply; powers core, flash, RAM, and all I/O banks |
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 sensor endpoints |
| On-chip debug & self-programming | Integrated on-chip debug interface and flash self-programming with boot swap support simplify firmware updates in field-deployed units |
| Mixed-signal integration | 8-channel 8/10-bit ADC, dual 8-bit DACs, two comparators, and 1-channel PGA eliminate need for external signal-conditioning ICs |
| Flexible clock system | High-speed (up to 24 MHz), middle-speed (4 MHz), and low-speed (15 kHz) on-chip oscillators reduce BOM cost and board space vs. external crystals |
| Peripheral coordination | Event Link Controller (ELC) links 16 event sources to peripherals without CPU intervention, reducing latency and power in real-time tasks |
| Robust I/O interface | N-ch open-drain, TTL input buffer, and on-chip pull-up options per port pin enable interoperability with 1.8/2.5/3.0 V logic families |
Applications
| Home Appliance Control | Industrial Sensor Node |
|---|---|
|
Use Scenario: Microcontroller in washing machine main control board managing motor drive, water level sensing, temperature monitoring, and user interface. IC Role / Device Role / Timing Role: Central system controller executing real-time motor commutation, ADC sampling of thermistors and pressure sensors, and UART communication with display module. Use Value: Integrated 8-channel ADC, dual DACs for analog actuator control, and 2 KB data flash for storing calibration coefficients reduce external component count by ≥30%. |
Use Scenario: Battery-powered environmental monitor deployed in factory HVAC ducts measuring temperature, humidity, and CO₂ levels. IC Role / Device Role / Timing Role: Low-power data acquisition node performing periodic ADC conversions, processing sensor data, and transmitting via UART to gateway. Use Value: 0.64 μA STOP mode with LVD-only operation extends 2×AA battery life beyond 5 years; integrated LVD enables brown-out protection without external supervisor IC. |
| Smart Thermostat Interface | Consumer IoT Remote Control |
|
Use Scenario: Touch-enabled thermostat front panel with temperature display, rotary encoder input, and wireless module interface. IC Role / Device Role / Timing Role: Human-machine interface processor handling key scan (KR0–KR2), buzzer feedback (PCLBUZ0), and I²C communication with display driver. Use Value: On-chip key interrupt function detects up to 3 simultaneous key presses with zero CPU overhead; built-in buzzer controller eliminates external tone generator. |
Use Scenario: IR remote control with motion sensing, button matrix, and RF transmission for smart home devices. IC Role / Device Role / Timing Role: System-on-chip managing accelerometer interface (via ADC), 8-key matrix scan, and UART-linked RF transceiver timing. Use Value: 16-pin SSOP footprint fits compact PCBs; 1.6 V minimum operating voltage ensures reliable operation down to near-end-of-life battery voltage (1.7 V). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F1056AASP#30 | 20-pin LSSOP package; adds 2 more ADC channels (10 total), 1 additional UART, and 3 extra I/O pins | Suitable for designs requiring expanded analog sensing or dual serial interfaces (e.g., RS-485 + BLE bridge) | Select when board layout allows larger 20-pin package and additional peripherals justify pin count increase |
| R5F1054AGSP#70 | Identical 16-pin SSOP package and peripheral set, but rated for -40°C to +105°C industrial temperature range | Required for under-hood automotive modules or industrial PLC I/O cards operating above 85°C ambient | Choose for extended temperature applications where R5F1054AASP#70's 85°C max is insufficient |
Compared with R5F1054AASP#70, the R5F1056AASP#30 offers greater peripheral headroom in a larger package, while the R5F1054AGSP#70 maintains identical functionality with enhanced thermal robustness - neither is pin-compatible, but both share the same RL78/G11 software ecosystem and toolchain.
Availability
R5F1054AASP#70 is available at Aetrix Electronics and suitable for home appliance control, industrial sensor nodes, and smart thermostat interfaces requiring stable component supply across production lifecycles.
Supply support for R5F1054AASP#70 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 automotive, industrial, and IoT markets.
The RL78/G11 product line delivers true low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and general-purpose embedded control applications requiring integrated analog peripherals and robust firmware update capability.
FAQ
What is the maximum operating frequency of the R5F1054AASP#70?
The R5F1054AASP#70 supports a maximum system clock frequency of 24 MHz using its high-speed on-chip oscillator. When using an external crystal (X1/X2), the maximum frequency is 20 MHz at VDD ≥ 2.7 V, scaling down to 4 MHz at VDD = 1.6 V to ensure stable operation across the full 1.6–5.5 V supply range. The CPU achieves 33 DMIPS at 24 MHz.
Does the R5F1054AASP#70 support in-system programming without external hardware?
Yes, the R5F1054AASP#70 includes an on-chip debug interface that enables in-system programming via the TOOL0 pin (P40) using Renesas' E2 emulator or compatible debug tools. It also supports self-programming of both code and data flash memory with boot swap and flash shield window functions - no external programmer is required for field firmware updates.
How many analog input channels does the R5F1054AASP#70 support?
The R5F1054AASP#70 supports 8 analog input channels (ANI0–ANI3, ANI18, ANI20–ANI22) for its 8/10-bit successive approximation ADC. These include dedicated pins for AVREFP/AVREFM reference inputs and shared functionality with port pins P20–P23, P33, P31, P30, and P56 - all configurable via the peripheral I/O redirection registers (PIOR0–PIOR3).
What is the purpose of the REGC pin on the R5F1054AASP#70?
The REGC pin on the R5F1054AASP#70 connects to an external 0.47–1 μF capacitor tied to VSS to stabilize the internal voltage regulator. This capacitor is mandatory for proper operation - omitting it or using incorrect values may cause unstable core voltage, erratic ADC performance, or failure to exit STOP mode. The pin must never be driven with external voltage.
Can the R5F1054AASP#70 generate audible tones directly?
Yes, the R5F1054AASP#70 includes a programmable clock output/buzzer controller (PCLBUZ0 and PCLBUZ1) capable of generating frequencies from 117 Hz to 10 MHz. It supports standard tones (e.g., 2.44 kHz, 4.88 kHz) using either the main system clock (20 MHz) or subsystem clock (15 kHz), eliminating the need for external piezo drivers in remote controls and appliance UIs.
R5F1054AASP#70 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 16-SSOP (0.173", 4.40mm Width)
- Series:
- RL78/G11
- Packaging:
- Tray
- 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:
- 9
- 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:
R5F1054AASP#70 FAQ
1.How can I place an order for R5F1054AASP#70 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F1054AASP#70 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#70 reliable?
The price and inventory of R5F1054AASP#70 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F1054AASP#70 is usually 5 days.
3.What payment methods are accepted for R5F1054AASP#70?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F1054AASP#70 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F1054AASP#70?
R5F1054AASP#70 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F1054AASP#70 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#70?
For technical support, including R5F1054AASP#70 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F1054AASP#70 requirements.
6.How does Aetrix verify that R5F1054AASP#70 is sourced from the original manufacturer or authorized distributors?
All R5F1054AASP#70 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#70 meets industry standards.
7.What is the process for return or replacement of R5F1054AASP#70?
All R5F1054AASP#70 units undergo pre-shipment inspection (PSI). If there is an issue with R5F1054AASP#70, 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#70 part is unused and in its original packaging.
Return procedure for R5F1054AASP#70:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F1054AASP#70 Tags
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