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Renesas R5F102A7GSP#X0
- Part No.:
- R5F102A7GSP#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 30-LSSOP (0.240", 6.10mm Width)
- Datasheet:
-
R5F102A7GSP#X0.pdf
- Description:
- IC MCU 16BIT 4KB FLASH 30LSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,096
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Product details
Overview
R5F102A7GSP#X0 from Renesas Electronics is a 30-pin LSSOP 8-bit RL78/G12 microcontroller with 4 KB code flash, 2 KB data flash, 512 B RAM, 8-channel 10-bit ADC, and integrated DMA controller - designed for low-power industrial sensor nodes and battery-powered control modules operating from -40°C to +105°C.
For engineers reviewing the R5F102A7GSP#X0 datasheet, R5F102A7GSP#X0 pinout, R5F102A7GSP#X0 application, or R5F102A7GSP#X0 equivalent, key selection criteria include its 2 KB on-chip data flash with 1M rewrite cycles, ±1.0% high-speed on-chip oscillator accuracy at -20°C to +85°C, HALT/STOP/SNOOZE ultra-low-power modes, and support for UART/CSI/I²C serial interfaces in a 30-pin LSSOP package.
Technical Context
The R5F102A7GSP#X0 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and 1 MB address space. It integrates a 12-bit interval timer, window watchdog timer, and CRC calculation unit - all enabled for industrial-grade reliability under extended temperature operation.
Its clock system combines a high-accuracy ±1.0% (TA = -20 to +85°C) high-speed on-chip oscillator (1–24 MHz selectable), low-speed 15 kHz on-chip oscillator, and external crystal input (X1/X2 up to 20 MHz), supporting flexible power-performance trade-offs across HALT, STOP, and SNOOZE modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 8-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Flash Memory | 4 KB code flash + 2 KB data flash with background operation (BGO) and 1,000,000 rewrite cycles |
| RAM | 512 B on-chip RAM for real-time variable storage and stack management |
| ADC | 10-bit resolution A/D converter with 8 input channels and internal 1.45 V reference |
| Oscillator Accuracy | ±1.0% over -20°C to +85°C for high-speed on-chip oscillator (24 MHz max) |
| Operating Temp | -40°C to +105°C (Industrial G-grade qualification) |
| Supply Voltage | 1.8 V to 5.5 V single-supply operation enabling direct Li-ion or multi-cell battery interfacing |
Pinout & Package
Package: 30-pin plastic LSSOP (7.62 mm, 0.65 mm pitch), RoHS-compliant, surface-mount compatible.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply | Main 1.8–5.5 V supply rail for core and I/O domains |
| VSS | Ground | Reference ground for analog/digital circuits and REGC capacitor connection |
| RESET | Reset input | Active-low asynchronous reset with internal pull-up; supports external debounced reset button |
| X1 / X2 | Crystal oscillator inputs | Supports external 1–20 MHz crystal for precise timing-critical applications |
| P10–P17 | Port 1 I/O | Configurable GPIO with N-ch open-drain, TTL input, and on-chip pull-up options |
| ANI0–ANI3, ANI16–ANI19 | Analog inputs | 8-channel 10-bit ADC input pins with AVREFP/AVREFM reference terminals |
| SCL00 / SDA00 | I²C interface | Dedicated hardware I²C bus (1 channel) with clock stretching and arbitration support |
| RxD0 / TxD0 | UART interface | Full-duplex asynchronous serial communication (1 channel) with programmable baud rate |
| REGC | Voltage regulator capacitor | Must connect 0.47–1 µF capacitor to VSS for internal LDO stability |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power modes | HALT (63 μA/MHz), STOP (0.52 μA), and SNOOZE (fast wake-up with peripheral operation) |
| Data flash BGO | Background operation allows full CPU execution while rewriting 2 KB data flash memory |
| Hardware CRC engine | Dedicated CRC calculation unit accelerates firmware integrity checks and communication protocol checksums |
| Peripheral I/O redirection | PIOR register enables dynamic remapping of UART/CSI/I²C functions to alternate pins without PCB change |
| On-chip debug | Integrated on-chip debug interface supports flash programming and real-time trace via single-wire SWD |
Applications
| Smart Thermostat Control | Industrial Motor Monitor |
|---|---|
Use Scenario: Battery-powered HVAC thermostat with local sensing, display, and wireless reporting. IC Role / Device Role / Timing Role: Main system controller managing temperature ADC sampling, buzzer alerts, UART-based BLE module interface, and low-power sleep scheduling. Use Value: 63 μA/MHz HALT mode extends CR2032 battery life beyond 2 years; 2 KB data flash stores calibration offsets and usage logs without external EEPROM. | Use Scenario: DIN-rail mounted motor health monitor measuring current, temperature, and vibration. IC Role / Device Role / Timing Role: Real-time acquisition hub aggregating analog sensor data, computing RMS values, and transmitting via RS-485 UART. Use Value: ±1.0% oscillator accuracy ensures reliable UART timing at 115.2 kbps across -40°C to +105°C; CRC engine validates sensor firmware updates over noisy industrial buses. |
| Programmable Logic Controller I/O Module | Medical Infusion Pump Controller |
Use Scenario: Compact 8-channel digital input/output expansion module for PLC backplanes. IC Role / Device Role / Timing Role: Isolated field-side interface handling opto-coupled inputs, driving MOSFET outputs, and communicating via SPI/CSI to main CPU. Use Value: 8-channel 10-bit ADC monitors supply rails and thermal sensors; DMA transfers sensor data directly to RAM without CPU load during scan cycles. | Use Scenario: Safety-critical infusion pump with flow rate sensing, occlusion detection, and alarm generation. IC Role / Device Role / Timing Role: Primary safety controller executing FDA Class II logic, managing piezo buzzer, LCD, and pressure transducer ADC. Use Value: RAM guard and SFR guard features prevent unintended memory corruption; watchdog timer with dedicated low-speed oscillator ensures fail-safe shutdown on software hang. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F102A8GSP#X0 | 8 KB code flash, 768 B RAM, same peripherals and package | Requires larger firmware image size and more RAM for complex control algorithms | Select when firmware exceeds 4 KB or requires >512 B runtime RAM |
| R5F103A7GSP#X0 | No data flash, no DMA, no CRC, ±5.0% oscillator accuracy, same pinout | Lacks nonvolatile parameter storage and hardware acceleration for safety-critical tasks | Select only for cost-sensitive, non-data-logging applications where oscillator tolerance is acceptable |
Compared with R5F102A7GSP#X0, R5F102A8GSP#X0 offers double flash and +256 B RAM for enhanced firmware scalability, while R5F103A7GSP#X0 removes data flash and DMA to reduce cost - making it unsuitable for applications requiring field-updatable calibration or high-throughput sensor data handling.
Availability
R5F102A7GSP#X0 is available at Aetrix Electronics and suitable for industrial motor monitoring, smart building controls, medical infusion pumps, and programmable logic controller I/O modules requiring stable component supply across extended temperature ranges.
Supply support for R5F102A7GSP#X0 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G12 product line delivers true low-power performance (down to 63 μA/MHz) with integrated data flash and industrial temperature support - engineered specifically for cost-sensitive, battery-operated, and harsh-environment embedded control applications.
FAQ
What is the maximum operating frequency of the R5F102A7GSP#X0's high-speed on-chip oscillator?
The R5F102A7GSP#X0 supports a high-speed on-chip oscillator up to 24 MHz. Its frequency accuracy is ±1.0% over the industrial temperature range of -20°C to +85°C, and ±2.0% over the full -40°C to +105°C range. This oscillator serves as the primary clock source for the RL78 CPU core and enables instruction execution at 31 DMIPS.
Does the R5F102A7GSP#X0 include on-chip data flash memory, and what is its endurance?
Yes, the R5F102A7GSP#X0 includes 2 KB of on-chip data flash memory. It supports background operation (BGO), allowing CPU execution during write/erase cycles. The rated endurance is 1,000,000 rewrite cycles (typical) at VDD = 1.8–5.5 V, making it suitable for storing calibration data, device configuration, or usage logs without external nonvolatile memory.
What are the ultra-low-power operating modes supported by the R5F102A7GSP#X0?
The R5F102A7GSP#X0 supports three ultra-low-power modes: HALT (63 μA/MHz at 24 MHz), STOP (0.52 μA typical), and SNOOZE (low-power active mode with selected peripherals running). These modes enable rapid wake-up from interrupts while minimizing energy consumption - critical for battery-powered industrial sensors and portable medical devices using the R5F102A7GSP#X0.
How many analog input channels does the R5F102A7GSP#X0's ADC support, and what is its resolution?
The R5F102A7GSP#X0 integrates an 8/10-bit resolution A/D converter with 8 input channels (ANI0–ANI3, ANI16–ANI19) and an internal 1.45 V reference voltage. It operates across the full 1.8–5.5 V supply range and supports differential input configurations - providing sufficient precision for temperature, pressure, and current sensing in industrial control applications built around the R5F102A7GSP#X0.
Is the R5F102A7GSP#X0 pin-compatible with other RL78/G12 family members in the same package?
Yes, the R5F102A7GSP#X0 is pin-compatible with other 30-pin LSSOP RL78/G12 variants including R5F102A8GSP#X0 and R5F103A7GSP#X0. All share identical pin assignments for VDD, VSS, RESET, X1/X2, REGC, and primary I/O ports. However, functional differences exist - such as presence of data flash, DMA, and CRC - meaning firmware and system design must be validated per specific part number, even when using the R5F102A7GSP#X0 pinout.
R5F102A7GSP#X0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 30-LSSOP (0.240", 6.10mm Width)
- Series:
- RL78/G12
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- 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#X0 FAQ
1.How can I place an order for R5F102A7GSP#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F102A7GSP#X0 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#X0 reliable?
The price and inventory of R5F102A7GSP#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F102A7GSP#X0 is usually 5 days.
3.What payment methods are accepted for R5F102A7GSP#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F102A7GSP#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F102A7GSP#X0?
R5F102A7GSP#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F102A7GSP#X0 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#X0?
For technical support, including R5F102A7GSP#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F102A7GSP#X0 requirements.
6.How does Aetrix verify that R5F102A7GSP#X0 is sourced from the original manufacturer or authorized distributors?
All R5F102A7GSP#X0 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#X0 meets industry standards.
7.What is the process for return or replacement of R5F102A7GSP#X0?
All R5F102A7GSP#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F102A7GSP#X0, 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#X0 part is unused and in its original packaging.
Return procedure for R5F102A7GSP#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F102A7GSP#X0 Tags
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