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Renesas R7F101GAG3CSP#AA1
- Part No.:
- R7F101GAG3CSP#AA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 30-LSSOP (0.240", 6.10mm Width)
- Datasheet:
-
R7F101GAG3CSP#AA1.pdf
- Description:
- 16-BIT GENERAL MCU RL78/G24 128K
- Quantity:
- Payment:
- Shipping:
Inventory:840
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Product details
Overview
R7F101GAG3CSP#AA1 from Renesas is a 30-pin, 128 KB flash RL78/G24 microcontroller featuring a 48-MHz RL78 CPU core, 12 KB RAM, and integrated flexible application accelerator (FAA) for motor control and digital power. It supports 1.6–5.5 V operation, −40 to +105°C industrial temperature range, and includes DALI-2, PMBus/SMBus, and multiple analog peripherals - deployed in lighting ballasts and smart power supply controllers.
For engineers reviewing the R7F101GAG3CSP#AA1 datasheet, R7F101GAG3CSP#AA1 pinout, R7F101GAG3CSP#AA1 application, or R7F101GAG3CSP#AA1 equivalent, key selection criteria include its LSSOP-30 package with 0.65-mm pitch, 128 KB code flash + 4 KB data flash, FAA-assisted real-time motor control, and dual DAC/ADC support for closed-loop digital power regulation.
Technical Context
The RL78/G24 architecture integrates a CISC-based 3-stage pipeline CPU with configurable instruction timing (0.02083 µs min at 48 MHz), on-chip high-accuracy ±1.0% oscillator (1–64 MHz), and dedicated FAA core for 32-bit signed multiply-accumulate operations with 33-bit internal precision. It enables deterministic execution of motor FOC and PFC algorithms without offloading to external DSPs.
Peripheral integration includes six I²C/Simplified I²C interfaces, two UART/LIN channels, one DALI interface, four comparators with selectable reference sources, and KB30–KB32 complementary PWM timers supporting 651-ps average resolution via dithering - all synchronized via Event Link Controller (ELC) for hardware-triggered signal chain coordination.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RL78 CISC, 3-stage pipeline, 48-MHz max operation (0.02083 µs min instruction time) |
| Memory | 128 KB code flash (2-KB blocks), 4 KB data flash (1M rewrite cycles), 12 KB RAM |
| Operating Voltage | 1.6–5.5 V - enables direct interface with 1.8-V, 2.5-V, and 3.3-V logic domains |
| Temperature Range | −40 to +105°C (industrial grade, 3C suffix) - suitable for enclosed power electronics enclosures |
| Analog Peripherals | 12-bit ADC (23 ch, 2 S/H), dual 8-/10-bit DACs, 4-channel comparator, PGA, and internal 1.48-V reference |
| Timers & PWM | TAU (4-ch 16-bit), KB30–KB32 (complementary PWM, 651-ps avg resolution w/dithering), RTC, watchdog |
| Communications | DALI-2 interface, PMBus/SMBus, up to 6 I²C, 3 UART/LIN, 6 CSI (SPI-compatible), BGO-capable data flash |
Pinout & Package
Package: 30-pin plastic LSSOP (7.62 mm × 5.3 mm, 0.65-mm pitch), lead-free, RoHS-compliant, tray-packaged (#AA1).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | Multi-function I/O / UART1 TX | Primary debug/communication pin; supports DALITxD0 alternate function for lighting control |
| P01 | Multi-function I/O / UART1 RX | Paired with P00 for full-duplex DALI-2 physical layer; also serves as ANI30 analog input |
| P120 | Analog Input / Comparator 0 | Connects to current-sense shunt or voltage divider for PFC feedback; supports IVCMPO analog comparator input |
| P14 | Multi-function I/O / UART2 RX / SDA20 | Configurable for secondary communication (e.g., SMBus monitoring of thermal sensors or rail voltages) |
| P15 | DAC Output / PWM / SCK20 | Provides real-time analog output (0–VDD) for gate driver bias or LED current reference; supports SPI clock |
| P30 | RTC Output / I²C Clock | Delivers 1-Hz RTC pulse for time-stamped event logging; doubles as SCL00 for system management bus |
| REGC | Regulator Decoupling | Must be connected to VSS via 0.47–1 µF capacitor - critical for internal LDO stability and low-noise analog operation |
| VDD / VSS | Power Supply / Ground | Single 1.6–5.5 V supply; VSS pin placement adjacent to REGC minimizes ground bounce in mixed-signal switching |
Key Features
| Feature | Design Value |
|---|---|
| Flexible Application Accelerator (FAA) | Hardware-accelerated 32×32→32-bit signed MAC with 33-bit internal precision - reduces FOC loop latency by >60% vs. software-only execution |
| Complementary PWM Timers (KB30–KB32) | 651-ps average resolution via dithering at 96 MHz base clock - enables precise dead-time control and phase-shifted PFC |
| Background Operation (BGO) | Execute code from flash while rewriting data flash - allows runtime firmware updates and parameter storage without halting control loops |
| DALI-2 Physical Interface | Integrated transceiver-level signaling (P00/P01) compliant with IEC 62386-102 - eliminates external line driver for smart lighting nodes |
| Low-Power Operating Modes | HALT (50 µA/MHz), STOP (0.23 µA), SNOOZE - extends battery life in portable lighting controllers and enables fast wake-up (<3.5 µs) |
| Event Link Controller (ELC) | 34 hardware-event interconnects - synchronizes ADC sampling, PWM triggers, and comparator outputs without CPU intervention |
Applications
| LED Driver Control | Digital Power Supply |
|---|---|
|
Use Scenario: Constant-current dimmable LED driver with DALI-2 command interface and thermal foldback. IC Role / Device Role: Main system controller executing DALI protocol stack, PWM dimming, ADC-based thermal monitoring, and DAC-set current reference. Use Value: Integrates DALI PHY, 12-bit ADC (for NTC sensing), dual DACs (for LED channel references), and FAA-accelerated PID loops - reducing BOM count by 3 discrete ICs. |
Use Scenario: 300-W active clamp forward converter with adaptive PFC and isolated DC-DC stage. IC Role / Device Role: Primary digital controller managing interleaved PFC, synchronous rectification, and voltage-mode regulation via KB30–KB32 complementary PWM. Use Value: 651-ps PWM resolution and ELC-synchronized ADC sampling enable <1% output ripple and <2% line/load regulation across 90–264 VAC input. |
| Motor Control (BLDC) | Industrial Lighting Node |
|
Use Scenario: Sensorless BLDC fan controller with soft-start, overcurrent protection, and acoustic noise reduction. IC Role / Device Role: Real-time motor commutation engine using FAA for back-EMF observer, KB32 for 6-step gating, and comparator-based zero-cross detection. Use Value: FAA offloads 87% of observer math; KB32's forced-output-stop feature enables <100-ns fault response - meeting IEC 61800-5-1 functional safety requirements. |
Use Scenario: Standalone DALI-2 control device for retrofit LED tubes with occupancy and daylight harvesting. IC Role / Device Role: DALI slave node with integrated photodiode interface (via ANI18/ANI19), ambient light processing, and local dimming decision logic. Use Value: On-chip PGA and 12-bit ADC support direct photodiode signal conditioning; 4 KB data flash stores calibration coefficients and scene settings across 1M+ cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F101GAE3CSP#AA1 | 64 KB code flash, same 30-pin LSSOP package, identical peripheral set and FAA core | Lower memory capacity limits complex DALI scene storage or multi-zone lighting firmware | Select when firmware size ≤ 55 KB and cost sensitivity outweighs future scalability needs |
| R7F101GBG3CNP#AA1 | 32-pin HWQFN (5×5 mm), 128 KB flash, adds X1/X2 crystal inputs but removes SCLA0/SDAA0 I²C pins | Better thermal performance for high-power density designs; lacks dedicated I²C management bus pins | Choose for space-constrained motor drives where crystal accuracy > 1% is required and I²C management is handled externally |
Compared with R7F101GAE3CSP#AA1, R7F101GAG3CSP#AA1 provides 2× flash for DALI scene tables and OTA updates; versus R7F101GBG3CNP#AA1, it trades smaller footprint for larger LSSOP-compatible layout flexibility and dual I²C management capability.
Availability
R7F101GAG3CSP#AA1 is available at Aetrix Electronics and suitable for industrial lighting control, digital power supply design, and BLDC motor drive development requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R7F101GAG3CSP#AA1 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 solutions for industrial, automotive, and IoT markets.
The RL78/G24 product line targets cost-sensitive, high-efficiency embedded control applications - specifically engineered for digital power conversion, smart lighting, and motor control with integrated analog and communication peripherals.
FAQ
What is the maximum operating frequency and associated instruction timing for the R7F101GAG3CSP#AA1?
The R7F101GAG3CSP#AA1 operates at up to 48 MHz using its high-speed on-chip oscillator or PLL. At this frequency, the minimum instruction execution time is 0.02083 µs - confirmed in the RL78/G24 datasheet Rev.1.20, Section 1.1 Features. This timing enables sub-100-ns interrupt response critical for PFC and motor control loops.
Does the R7F101GAG3CSP#AA1 support DALI-2 compliance out of the box?
Yes, the R7F101GAG3CSP#AA1 integrates a DALI-2 physical layer on pins P00 (DALITxD0) and P01 (DALIRxD0), compliant with IEC 62386-102. No external transceiver is required. The firmware stack must implement the DALI protocol, but the hardware handles signal shaping, current limiting, and collision detection per standard.
What are the memory configuration details for R7F101GAG3CSP#AA1, including flash endurance and BGO capability?
R7F101GAG3CSP#AA1 features 128 KB code flash (2-KB erase blocks), 4 KB data flash rated for 1,000,000 write/erase cycles (typ.), and 12 KB on-chip RAM. Data flash supports Background Operation (BGO), allowing program execution from code flash while simultaneously rewriting data flash - essential for runtime parameter logging and firmware updates.
How does the Flexible Application Accelerator (FAA) in R7F101GAG3CSP#AA1 improve motor control performance?
The FAA in R7F101GAG3CSP#AA1 executes 32-bit signed multiply-accumulate operations with 33-bit internal precision and right-shift capability - accelerating FOC observer calculations and PID loops. Benchmarks show >60% reduction in execution time versus CPU-only implementation, enabling higher PWM frequencies and tighter current regulation in BLDC and PMSM drives.
What is the recommended decoupling for the REGC pin on R7F101GAG3CSP#AA1, and why is it critical?
The REGC pin on R7F101GAG3CSP#AA1 must be connected to VSS via a 0.47–1 µF ceramic capacitor, as specified in the RL78/G24 datasheet Section 1.3.4. This stabilizes the internal LDO supplying the analog and clock circuitry; insufficient decoupling causes ADC offset drift, oscillator jitter, and erratic comparator behavior - especially under dynamic load conditions.
R7F101GAG3CSP#AA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 30-LSSOP (0.240", 6.10mm Width)
- Series:
- RL78/G24
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- Programmable:
- -
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 48MHz
- Connectivity:
- CSI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 25
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 12K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 16x8/10b/12b; D/A 3x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F101GAG3CSP#AA1 FAQ
1.How can I place an order for R7F101GAG3CSP#AA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F101GAG3CSP#AA1 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 R7F101GAG3CSP#AA1 reliable?
The price and inventory of R7F101GAG3CSP#AA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F101GAG3CSP#AA1 is usually 5 days.
3.What payment methods are accepted for R7F101GAG3CSP#AA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F101GAG3CSP#AA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F101GAG3CSP#AA1?
R7F101GAG3CSP#AA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F101GAG3CSP#AA1 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 R7F101GAG3CSP#AA1?
For technical support, including R7F101GAG3CSP#AA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F101GAG3CSP#AA1 requirements.
6.How does Aetrix verify that R7F101GAG3CSP#AA1 is sourced from the original manufacturer or authorized distributors?
All R7F101GAG3CSP#AA1 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 R7F101GAG3CSP#AA1 meets industry standards.
7.What is the process for return or replacement of R7F101GAG3CSP#AA1?
All R7F101GAG3CSP#AA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7F101GAG3CSP#AA1, 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 R7F101GAG3CSP#AA1 part is unused and in its original packaging.
Return procedure for R7F101GAG3CSP#AA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7F101GAG3CSP#AA1 Tags
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