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Renesas R5F102A7GSP#V0
- Part No.:
- R5F102A7GSP#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 30-LSSOP (0.240", 6.10mm Width)
- Datasheet:
-
R5F102A7GSP#V0.pdf
- Description:
- IC MCU 16BIT 4KB FLASH 30LSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,412
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Product details
Overview
R5F102A7GSP#V0 from Renesas Electronics is a 30-pin LSSOP ultra-low-power 16-bit RL78/G12 microcontroller designed for industrial embedded control. It integrates 16 KB code flash, 2 KB data flash, 2 KB RAM, 8-channel 10-bit ADC, and dual UART/CSI/I²C serial interfaces, operating from 1.8 V to 5.5 V across –40°C to +105°C for motor control, sensor nodes, and smart appliances.
For engineers reviewing the R5F102A7GSP#V0 datasheet, R5F102A7GSP#V0 pinout, R5F102A7GSP#V0 application, or R5F102A7GSP#V0 equivalent, key selection criteria include its industrial-grade temperature range (–40°C to +105°C), on-chip 2 KB data flash with background operation, 2-channel DMA, CRC hardware accelerator, and 8-channel TAU timer supporting PWM generation in compact LSSOP-30 packaging.
Technical Context
The R5F102A7GSP#V0 implements the RL78 CPU core with 3-stage pipeline CISC architecture, delivering 31 DMIPS at 24 MHz while consuming only 63 μA/MHz. Its clock system combines a high-accuracy ±1.0% on-chip oscillator (1–24 MHz) with external crystal support (1–20 MHz) and a dedicated 15 kHz low-speed oscillator for watchdog and interval timing.
Peripheral integration includes an 8-channel TAU timer with PWM capability, SAU0 with 4-channel serial interface support (UART/CSI/I²C), 8-channel 10-bit ADC with internal reference and temperature sensor, and safety features including RAM guard, SFR guard, and CRC calculation unit - all enabled for industrial operation up to +105°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline, 1 MB address space |
| Operating Voltage | 1.8 V to 5.5 V - enables direct interface with 1.8/2.5/3.3 V logic and battery-powered operation |
| Memory | 16 KB code flash (1 KB blocks), 2 KB data flash (1M rewrite cycles), 2 KB RAM |
| ADC | 10-bit resolution, 8 input channels, internal 1.45 V reference, integrated temperature sensor |
| Timers | 8-channel 16-bit TAU with PWM output, 12-bit interval timer, windowed watchdog timer |
| Serial Interfaces | 1 UART, 1 simplified SPI (CSI), 1 simplified I²C - all configurable via PIOR register |
| Temperature Range | –40°C to +105°C (industrial G-grade) - qualified for harsh ambient environments |
| Power Modes | HALT, STOP, and SNOOZE modes - supports sub-μA deep-sleep current for energy-sensitive designs |
Pinout & Package
Package: 30-pin plastic LSSOP (7.62 mm, 0.65-mm pitch), RoHS-compliant, tray packaging (#V0).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | Serial Clock Input/Output | Primary CSI/I²C clock line; configurable as TI07/TO07 for timer function |
| P11/SI00/RxD0/SDA00 | Serial Data Input / UART Receive | Primary CSI data input, UART0 receive, I²C0 data line; also supports TOOLRxD debug interface |
| P12/SO00/TxD0/TOOLTxD | Serial Data Output / UART Transmit | Primary CSI data output, UART0 transmit, debug interface output; supports TI05/TO05 |
| P13/TxD2/SO20/SDAA0 | Secondary UART Transmit / I²C Data | UART2 transmit or SAU2 output; also serves as SDAA0 for I²C addressable slave mode |
| P14/RxD2/SI20/SDA20 | Secondary UART Receive / I²C Data | UART2 receive or SAU2 input; functions as SDA20 for I²C communication on second bus |
| P20/ANI0/AVREFP | Analog Input / ADC Reference+ | Main analog input channel 0 and positive reference voltage source for ADC conversion |
| P21/ANI1/AVREFM | Analog Input / ADC Reference− | Analog input channel 1 and negative reference for differential ADC measurements |
| REGC | Voltage Regulator Capacitor | Connects to VSS via 0.47–1 µF capacitor to stabilize internal regulator for analog circuitry |
| RESET | Active-Low Reset Input | Asynchronous reset pin; also accepts SI01 signal when configured via PIOR register |
| X1/X2 | Crystal Oscillator Inputs | Supports external crystal (1–20 MHz) for precise system clock; X2 doubles as EXCLK for external clock input |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power consumption | 63 μA/MHz active current enables multi-year battery life in sensor endpoints |
| On-chip data flash with BGO | 2 KB data flash supports background rewriting during program execution for real-time parameter updates |
| Hardware CRC accelerator | Dedicated CRC unit offloads checksum computation from CPU, improving firmware update reliability |
| RAM and SFR guard | Memory protection logic prevents accidental overwrites of critical registers and data buffers |
| Configurable peripheral routing | Peripheral I/O redirection register (PIOR) enables flexible pin mapping without PCB redesign |
| Industrial temperature grade | G-grade qualification (–40°C to +105°C) ensures stable operation in motor drives and factory automation |
Applications
| Motor Control Interface | Smart Sensor Node |
|---|---|
Use Scenario: Closed-loop control of BLDC or stepper motors in HVAC actuators and industrial valves. IC Role / Device Role / Timing Role: Main controller executing PID algorithms, generating PWM via TAU timers, and communicating status via UART/CSI. Use Value: Integrated 8-channel TAU with PWM, 10-bit ADC for current/voltage sensing, and 2 KB data flash for field-updatable control parameters reduce BOM count and improve thermal resilience. | Use Scenario: Battery-powered environmental monitoring node measuring temperature, humidity, and air quality. IC Role / Device Role / Timing Role: System-on-chip managing sensor acquisition, low-power scheduling, and wireless gateway communication. Use Value: 63 μA/MHz active current, SNOOZE mode, integrated temperature sensor, and 2 KB data flash for logging enable >5-year battery life with local data persistence. |
| Industrial HMI Panel | Appliance Power Management |
Use Scenario: Touch-enabled control panel for PLC-connected machinery with LED indicators and buzzer feedback. IC Role / Device Role / Timing Role: User interface processor handling key scan, display timing, buzzer output (PCLBUZ0/PCLBUZ1), and CAN/UART host communication. Use Value: On-chip buzzer/clock output controller, 10-key interrupt support, and 26 GPIO pins simplify front-panel design while G-grade operation ensures reliability near EMI sources. | Use Scenario: Energy-efficient power supply supervision and load switching in white goods (refrigerators, washing machines). IC Role / Device Role / Timing Role: Supervisor MCU monitoring AC line voltage, controlling relays, detecting overcurrent, and logging fault events. Use Value: 1.8–5.5 V wide VDD range interfaces directly with auxiliary supplies; voltage detector (12-level LVD) and POR ensure robust brown-out recovery; 2 KB data flash stores maintenance history. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F102A7DSP#V0 | Same core, memory, and peripherals but rated for –40°C to +85°C (D-grade) | Suitable for commercial/industrial environments without extended thermal stress | Select when full +105°C operation is unnecessary and cost optimization is prioritized |
| R5F103A7GSP#V0 | Omits 2 KB data flash, DMA, CRC, RAM/SFR guard; same package and pinout | Lacks background data logging and hardware safety acceleration required for certified systems | Choose for cost-sensitive, non-safety-critical applications where flash-based parameter storage suffices |
Compared with R5F102A7DSP#V0 and R5F103A7GSP#V0, the R5F102A7GSP#V0 uniquely delivers industrial-grade thermal resilience, on-chip data flash with BGO, and hardware CRC-enabling reliable firmware updates and functional safety compliance in demanding embedded deployments.
Availability
R5F102A7GSP#V0 is available at Aetrix Electronics and suitable for motor control, smart sensor nodes, industrial HMIs, and appliance power management requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F102A7GSP#V0 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/G12 product line was engineered for ultra-low-power general-purpose embedded control, balancing performance, energy efficiency, and integrated peripherals to accelerate development of cost-sensitive industrial and consumer devices.
FAQ
What is the maximum operating frequency and instruction throughput of the R5F102A7GSP#V0?
The R5F102A7GSP#V0 achieves a maximum system clock of 24 MHz using its high-accuracy on-chip oscillator (±1.0% over –20°C to +85°C). At this frequency, it delivers 31 DMIPS of processing performance with a minimum instruction execution time of 0.04167 μs. The RL78 CPU core uses a 3-stage pipeline CISC architecture optimized for deterministic real-time control tasks in the R5F102A7GSP#V0.
Does the R5F102A7GSP#V0 support background data flash rewriting during program execution?
Yes, the R5F102A7GSP#V0 includes 2 KB of on-chip data flash memory with background operation (BGO) capability. This allows the CPU to execute instructions from program memory while simultaneously erasing or programming data flash sectors - essential for real-time parameter updates, firmware patching, and event logging without interrupting application flow in the R5F102A7GSP#V0.
What safety features are implemented in the R5F102A7GSP#V0 for industrial applications?
The R5F102A7GSP#V0 integrates multiple hardware safety features: RAM guard and SFR guard prevent unintended memory corruption, a dedicated CRC calculation unit accelerates checksum validation for firmware integrity, and a windowed watchdog timer ensures fail-safe recovery. These features - combined with its –40°C to +105°C G-grade qualification - make the R5F102A7GSP#V0 suitable for IEC 61508-aligned industrial control applications.
How many analog input channels and what ADC resolution does the R5F102A7GSP#V0 provide?
The R5F102A7GSP#V0 features an 8-channel, 10-bit successive-approximation ADC with selectable internal reference voltage (1.45 V) and integrated temperature sensor. Input channels include ANI0–ANI3 and ANI16–ANI19, supporting both single-ended and differential measurements referenced to AVREFP/AVREFM pins. This ADC configuration meets precision sensing requirements in motor control and environmental monitoring applications using the R5F102A7GSP#V0.
Can the peripheral pin functions of the R5F102A7GSP#V0 be remapped without changing the PCB layout?
Yes, the R5F102A7GSP#V0 supports dynamic peripheral I/O redirection via the Peripheral I/O Redirection Register (PIOR). Functions such as UART, CSI, I²C, timer outputs, and interrupt inputs can be reassigned to alternate pins - for example, TI06/TO06 to P11 or TI04/TO04 to P13 - enabling flexible board design and late-stage feature tuning without modifying the R5F102A7GSP#V0's physical layout.
R5F102A7GSP#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 30-LSSOP (0.240", 6.10mm Width)
- Series:
- RL78/G12
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- Programmable:
- Not Verified
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 24MHz
- Connectivity:
- CSI, I2C, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 23
- Program Memory Size:
- 4KB (4K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 512 x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 8x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F102A7GSP#V0 FAQ
1.How can I place an order for R5F102A7GSP#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F102A7GSP#V0 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 R5F102A7GSP#V0 reliable?
The price and inventory of R5F102A7GSP#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F102A7GSP#V0 is usually 5 days.
3.What payment methods are accepted for R5F102A7GSP#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F102A7GSP#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F102A7GSP#V0?
R5F102A7GSP#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F102A7GSP#V0 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 R5F102A7GSP#V0?
For technical support, including R5F102A7GSP#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F102A7GSP#V0 requirements.
6.How does Aetrix verify that R5F102A7GSP#V0 is sourced from the original manufacturer or authorized distributors?
All R5F102A7GSP#V0 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 R5F102A7GSP#V0 meets industry standards.
7.What is the process for return or replacement of R5F102A7GSP#V0?
All R5F102A7GSP#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F102A7GSP#V0, 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 R5F102A7GSP#V0 part is unused and in its original packaging.
Return procedure for R5F102A7GSP#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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