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Renesas R5F1051AASP#30
- Part No.:
- R5F1051AASP#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 10-LSSOP (0.173", 4.40mm Width)
- Datasheet:
-
R5F1051AASP#30.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 10LSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:684
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Product details
Overview
R5F1051AASP#30 from Renesas is a 10-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 R5F1051AASP#30 datasheet, R5F1051AASP#30 pinout, R5F1051AASP#30 application, or R5F1051AASP#30 equivalent, key selection criteria include its 10-pin LSSOP package, 3-channel 10-bit ADC with internal reference, single 8-bit DAC, dual comparators, and support for HALT/STOP/SNOOZE low-power modes with on-chip voltage detector (LVD) interrupt/reset across 14 levels.
Technical Context
The R5F1051AASP#30 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction execution time (0.04167 μs @ 24 MHz high-speed oscillator). It supports multiply/divide/MAC instructions and 1 Mbyte address space using eight 8-bit register banks.
Its peripheral set includes one 16-bit timer array unit (2 channels), one 12-bit interval timer, two 8-bit interval timers, one watchdog timer, one simplified SPI (CSI), one UART, three analog input channels (ANI0–ANI2), one analog output (ANO1), and two comparators-all managed via Event Link Controller (ELC) with 11 event inputs and 3 trigger outputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC CPU with 3-stage pipeline and 8×8 register banks |
| Operating Voltage | 1.6 V to 5.5 V - enables direct interface with 1.8 V, 2.5 V, 3.3 V, and 5 V logic domains |
| Flash Memory | 16 KB code flash + 2 KB data flash - supports background rewriting (BGO) and 1M write cycles |
| ADC Resolution | 10-bit A/D converter with 3 external analog inputs (ANI0–ANI2) and internal 1.45 V reference |
| Low-Power Modes | Halt (58.3 μA/MHz), Stop (0.64 μA w/LVD only), SNOOZE - optimized for intermittent sensing duty cycles |
| Package & Pin Count | 10-pin plastic LSSOP (4.4 × 3.6 mm, 0.65-mm pitch) - compact footprint for space-constrained PCBs |
| Temperature Range | -40°C to +85°C - qualified for consumer and industrial ambient environments |
Pinout & Package
Package: 10-pin plastic LSSOP (4.4 × 3.6 mm, 0.65-mm pitch); REGC requires 0.47–1 μF capacitor to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P20/ANI0/AVREFP/IVREF1/TKBO1 | Analog input / ADC reference (+) / comparator reference / TMKB output | Primary analog channel with selectable reference; supports precision measurement and window comparator setup |
| P21/ANI1/AVREFM/IVREF0 | Analog input / ADC reference (−) / comparator reference | Second analog input with differential reference capability; enables ratiometric sensor readings |
| P22/ANI2/PGAI/IVCMP0/SO10/TxD1 | Analog input / PGA input / comparator input / SPI output / UART transmit | Multi-function pin supporting signal conditioning (PGA), comparison, and serial communication |
| P40/TOOL0/TO03/PCLBUZ0/SCK10/VCOUT0/INTFO/TKBO0 | Debug interface / timer output / clock output / SPI clock / comparator output / interrupt flag | Shared debug and timing resource; enables in-system programming and real-time event signaling |
| P137/INTP10/TI03/SI10/RxD1 | External interrupt / timer input / SPI input / UART receive | Input-capable pin for edge-triggered wake-up, pulse counting, and full-duplex serial reception |
| P125/RESET/INTP9 | Reset input / external interrupt | Dual-role pin enabling hardware reset assertion and programmable interrupt source |
| P122/EXCLK/TI02/INTP1 | External clock input / timer input / external interrupt | Accepts external system clock up to 20 MHz or serves as timer capture input |
| REGC | Regulator capacitance | Connects to VSS via 0.47–1 μF capacitor to stabilize internal voltage regulator |
| VSS | Ground | Primary digital ground reference; must be connected to PCB ground plane |
| VDD | Power supply | Main power rail (1.6–5.5 V); powers core, flash, and all I/O ports |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power consumption | 58.3 μA/MHz active current and 0.64 μA STOP mode with LVD active - extends battery life in portable devices |
| On-chip debug function | Integrated debug interface with TOOL0 pin - eliminates need for external JTAG emulator during development |
| Data flash with BGO | 2 KB data flash supports background operation - allows firmware updates without halting application code |
| Configurable clock system | High-speed (24 MHz), middle-speed (4 MHz), and low-speed (15 kHz) on-chip oscillators - enables dynamic frequency scaling |
| Peripheral I/O redirection | PIOR registers allow remapping of CSI, UART, and timer functions to alternate pins - improves PCB layout flexibility |
Applications
| Smart Thermostat Sensor Node | Industrial Panel Indicator |
|---|---|
Use Scenario: Battery-powered temperature/humidity sensor node transmitting data via UART to gateway every 30 seconds. IC Role / Device Role / Timing Role: Main controller executing sensor readout, ADC conversion, low-power scheduling, and UART transmission. Use Value: 0.64 μA STOP mode with LVD monitoring ensures >5-year battery life; 10-bit ADC provides ±0.5°C thermal accuracy. | Use Scenario: DIN-rail mounted status indicator with LED drivers and push-button interface in factory automation cabinet. IC Role / Device Role / Timing Role: Embedded controller managing button debouncing, LED PWM dimming, and RS-232 level-shifted UART reporting. Use Value: Dual comparators enable precise threshold detection for analog input monitoring; 8-bit DAC drives buzzer feedback at 2.44–10 MHz frequencies. |
| USB-C Power Adapter Monitor | Home Appliance Keypad Interface |
Use Scenario: Real-time monitoring of VBUS voltage and CC line state in USB-C PD adapter using discrete resistors and comparators. IC Role / Device Role / Timing Role: Analog front-end processor performing voltage scaling, comparator-based CC detection, and fault logging to data flash. Use Value: Internal 1.45 V reference and AVREFP/AVREFM pins enable ratiometric measurement; 2 KB data flash stores 1000+ fault events with timestamps. | Use Scenario: Matrix keypad scanner for microwave oven control panel with 12 keys and audible feedback. IC Role / Device Role / Timing Role: Key interrupt handler scanning KR0–KR2 lines, generating buzzer tones via PCLBUZ0, and driving segment LEDs. Use Value: On-chip key interrupt function reduces CPU load by 70% vs polling; programmable clock output generates precise 469–7.5 kHz buzzer tones. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F1054AASP#30 | 16-pin SSOP package; adds 5 more I/O pins, 8-channel ADC, second UART, and CSI channel | Suitable for designs requiring expanded serial connectivity and analog sensing without changing core firmware | Select when additional GPIO, UART, or ADC channels are needed beyond R5F1051AASP#30's 10-pin limits |
| R5F1056AASP#30 | 20-pin LSSOP package; adds 7 more I/O pins, 10-channel ADC, I²C, and key interrupt (5 channels) | Enables multi-sensor fusion and I²C peripheral integration (e.g., EEPROM, temp sensor) in same low-power envelope | Choose for systems needing I²C support, higher I/O count, or enhanced key scan capability |
Compared with R5F1054AASP#30 and R5F1056AASP#30, the R5F1051AASP#30 offers the smallest footprint and lowest pin count while retaining identical core performance, flash/RAM resources, and ultra-low-power modes-making it optimal for minimal-cost, space-constrained control tasks.
Availability
R5F1051AASP#30 is available at Aetrix Electronics and suitable for battery-powered sensor nodes, industrial status indicators, USB-C power monitors, and home appliance keypads requiring stable component supply and long-term production continuity.
Supply support for R5F1051AASP#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 is a global semiconductor leader specializing in microcontrollers, analog, and power management ICs for automotive, industrial, and IoT applications.
The RL78/G11 product line delivers true low-power embedded control with integrated analog peripherals, flexible clocking, and robust debug capabilities-designed specifically for cost-sensitive, energy-efficient consumer and industrial devices.
FAQ
What is the maximum operating frequency of the R5F1051AASP#30?
The R5F1051AASP#30 supports a maximum high-speed on-chip oscillator frequency of 24 MHz, delivering 33 DMIPS performance. When using an external crystal (X1), the maximum main system clock frequency is 20 MHz at VDD ≥ 2.7 V. Instruction execution time is as fast as 0.04167 μs under 24 MHz operation, confirmed in the R01DS0282EJ0260 datasheet Section 1.1.
Does the R5F1051AASP#30 support in-system programming?
Yes, the R5F1051AASP#30 supports in-system programming via its on-chip debug function using the TOOL0 pin. It includes self-programming capability with boot swap and flash shield window functions. Data flash memory supports background operation (BGO), allowing code execution during rewrites-critical for field firmware updates without system interruption.
How many analog input channels does the R5F1051AASP#30 have?
The R5F1051AASP#30 features three external analog input channels: ANI0, ANI1, and ANI2, accessible on pins P20, P21, and P22 respectively. It also includes an internal temperature sensor and 1.45 V reference voltage source. The 10-bit A/D converter supports single-ended and differential configurations using AVREFP and AVREFM pins.
What low-power modes are available on the R5F1051AASP#30?
The R5F1051AASP#30 provides HALT, STOP, and SNOOZE modes. HALT reduces current to 58.3 μA/MHz; STOP draws just 0.64 μA when only the LVD remains active; SNOOZE enables peripheral operation (e.g., ADC, UART) while CPU sleeps. All modes support wake-up via external interrupt, timer, or comparator event-enabling responsive yet energy-efficient operation.
Is the R5F1051AASP#30 pin-compatible with other RL78/G11 variants?
No, the R5F1051AASP#30 is not pin-compatible with other RL78/G11 variants due to its unique 10-pin LSSOP configuration. R5F1054A, R5F1056A, and higher-pin-count variants use different packages (16-pin SSOP, 20-pin LSSOP, etc.) with distinct pinouts and expanded peripheral mappings. Migration requires PCB redesign and I/O remapping in firmware.
R5F1051AASP#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 10-LSSOP (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, UART/USART
- Peripherals:
- LVD, POR, WDT
- Number of I/O:
- 4
- 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 4x10b; D/A 1x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F1051AASP#30 FAQ
1.How can I place an order for R5F1051AASP#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F1051AASP#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 R5F1051AASP#30 reliable?
The price and inventory of R5F1051AASP#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F1051AASP#30 is usually 5 days.
3.What payment methods are accepted for R5F1051AASP#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F1051AASP#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F1051AASP#30?
R5F1051AASP#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F1051AASP#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 R5F1051AASP#30?
For technical support, including R5F1051AASP#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F1051AASP#30 requirements.
6.How does Aetrix verify that R5F1051AASP#30 is sourced from the original manufacturer or authorized distributors?
All R5F1051AASP#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 R5F1051AASP#30 meets industry standards.
7.What is the process for return or replacement of R5F1051AASP#30?
All R5F1051AASP#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F1051AASP#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 R5F1051AASP#30 part is unused and in its original packaging.
Return procedure for R5F1051AASP#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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