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Renesas R7F100GMJ2DFA#AA0
- Part No.:
- R7F100GMJ2DFA#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R7F100GMJ2DFA#AA0.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:536
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Product details
Overview
R7F100GMJ2DFA#AA0 from Renesas is an RL78/G23 80-pin, 256-KB flash, 24-KB RAM ultra-low-power 16-bit MCU operating from 1.6 to 5.5 V, featuring 210-nA data retention current, 41-µA/MHz active current, capacitive touch sensing (CTSU2L), and integrated RTC with alarm - deployed in battery-powered consumer HMI and sensor interface applications.
For engineers reviewing the R7F100GMJ2DFA#AA0 datasheet, R7F100GMJ2DFA#AA0 pinout, R7F100GMJ2DFA#AA0 application, or R7F100GMJ2DFA#AA0 equivalent, key selection criteria include its 80-pin LQFP-0.65mm package, -40°C to +85°C industrial-grade temperature range, 256-KB code flash with 8-KB data flash, 12-bit ADC (26 channels), and SNOOZE mode sequencer for autonomous low-power event processing.
Technical Context
The R7F100GMJ2DFA#AA0 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction timing (0.03125 µs at 32 MHz or 30.5 µs at 32.768 kHz). It integrates a SNOOZE mode sequencer (SMS) supporting up to 32 autonomous processes using 21 command types without CPU wake-up.
Peripheral integration includes Logic and Event Link Controller (ELCL) for hardware-triggered signal routing between peripherals, Data Transfer Controller (DTC) with chain transfer, and dual-clock domain operation (high-speed on-chip oscillator ±1.0% accuracy, low-speed 32.768-kHz oscillator with adjustability).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and multiply/divide/accumulate instructions |
| Flash / RAM | 256 KB code flash (2-KB block size, security lock), 8 KB data flash (1M rewrite cycles), 24 KB SRAM |
| Power Consumption | 41 µA/MHz active current; 210 nA data retention current for full 24 KB RAM |
| Operating Voltage | 1.6 V to 5.5 V single supply - enables direct Li-ion, coin-cell, or 3.3/5 V system integration |
| ADC / DAC | 12-bit ADC with 26 input channels, internal 1.48-V reference & temp sensor; 8-bit DAC ×2, 0–VDD output |
| Timers & RTC | 16-bit timer ×16 channels; 32-bit interval timer; RTC with calendar (1 sec–99 years), alarm, and clock correction |
| Capacitive Sensing | CTSU2L unit supporting self-capacitance (up to 32 keys) and mutual capacitance (8×8 matrix, up to 64 keys) |
Pinout & Package
Package: 80-pin plastic LQFP (14 × 14 mm, 0.65-mm pitch), RoHS-compliant, industrial-grade (-40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P121 / P122 | Crystal oscillator inputs (XT1/XT2) | Supports external 32.768-kHz crystal for RTC precision or high-frequency crystal up to 20 MHz |
| P30 / P31 | Capacitive touch sense pins (TSCAP / TS01) | Dedicated CTSU2L inputs enabling robust self- or mutual-capacitance touch detection |
| P60 / P61 | I²C interface (SCLA0 / SDAA0) | Hardware I²C master/slave with clock stretching support for sensor and PMIC communication |
| P10–P17 | Serial array unit (SAU) channels | Configurable UART/SPI/I²C interfaces - e.g., P10/P11/P12 = UART0; P14/P15 = UART2 |
| P00 / P01 | UARTA transmit/receive (TxD1 / RxD1) | Dedicated LIN-bus-compatible UART channel with break detection and sync field generation |
| RESET | Active-low reset input | Accepts external reset signal; internally tied to POR and dual-voltage detector (LVD0/LVD1) |
| VDD / VSS | Main power supply pins | Single 1.6–5.5 V rail powers entire core, analog, and I/O - no auxiliary supplies required |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE Mode Sequencer (SMS) | Executes up to 32 pre-programmed operations (e.g., ADC sampling, comparison, GPIO toggle) autonomously - eliminates CPU wake-ups for periodic sensing |
| Background Data Flash Rewrite | Enables BGO (background operation): CPU executes code from flash while rewriting data flash - critical for over-the-air firmware updates |
| Capacitive Touch Sensing Unit (CTSU2L) | Hardware-accelerated touch engine with noise immunity algorithms - supports both self- and mutual-capacitance topologies without host CPU overhead |
| Event Link Controller (ELCL) | Configurable hardware logic that routes peripheral events (e.g., timer overflow → ADC trigger → DMA request) without software intervention |
| Low-Power Real-Time Clock (RTC) | Calendar-mode RTC with alarm interrupt and ±1 ppm correction capability - operates independently in STOP mode using 32.768-kHz subsystem clock |
Applications
| Smart Home Remote Control | Portable Medical Sensor Hub |
|---|---|
Use Scenario: Battery-powered IR+capacitive remote with multi-function buttons, backlight control, and low-power wake-on-keypress. IC Role / Device Role / Timing Role: Main controller managing capacitive key scan, IR modulation, RTC-based auto-sleep, and voltage monitoring. Use Value: 210-nA data retention preserves button state and configuration across 5-year shelf life; SMS handles key debouncing and wake sequencing without CPU. | Use Scenario: Handheld pulse oximeter with analog front-end, OLED display, and Bluetooth LE connectivity. IC Role / Device Role / Timing Role: Signal acquisition controller interfacing 12-bit ADC (SpO₂/HR sensors), driving display via SAU SPI, and managing BLE UART bridge. Use Value: 41-µA/MHz efficiency extends single-CR2032 battery life to >12 months; integrated DAC calibrates LED drive current per sensor channel. |
| Industrial Panel Meter Interface | Energy Monitoring Subsystem |
Use Scenario: DIN-rail mounted meter with LCD, keypad, RS-485 comms, and tamper-detection switches. IC Role / Device Role / Timing Role: HMI processor handling keypad scan, LCD refresh, isolated UART, and real-time energy accumulation via TAU capture units. Use Value: 80-pin LQFP provides dedicated GPIO for 16-key matrix + 4 tamper inputs; ELCL links switch interrupts directly to timer capture - zero-latency response. | Use Scenario: Smart outlet with current/voltage sensing, relay control, and Wi-Fi co-processor interface. IC Role / Device Role / Timing Role: Analog acquisition and safety supervisor - reads shunt-based current, monitors VDD/LVD, controls relay driver, logs events to data flash. Use Value: 26-channel 12-bit ADC samples 3-phase current/voltage simultaneously; 8-KB data flash stores 30 days of 1-min energy logs with background write. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F100GLJ2DFA#AA0 | Same 80-pin LQFP-0.65mm package; 128 KB flash, 16 KB RAM, identical peripherals and low-power features | Lower memory footprint suits simpler HMI or sensor nodes without complex UI or logging | Select when application code size remains under 120 KB and RAM usage stays below 14 KB - reduces BOM cost without sacrificing package or pin compatibility |
| R7F100GMK2DFA#AA0 | Same 80-pin LQFP-0.65mm package; 384 KB flash, 32 KB RAM, identical peripherals and low-power features | Higher memory capacity supports larger RTOS, OTA update partitioning, or extended data buffering | Select when application requires >256 KB flash for dual-bank firmware or >24 KB RAM for real-time analytics buffers |
Compared with R7F100GLJ2DFA#AA0 and R7F100GMK2DFA#AA0, the R7F100GMJ2DFA#AA0 delivers optimal balance of memory headroom (256 KB flash), low-power performance (210 nA retention), and peripheral richness - making it ideal for mid-tier consumer and industrial edge devices where cost, code size, and autonomy requirements converge.
Availability
R7F100GMJ2DFA#AA0 is available at Aetrix Electronics and suitable for smart home remotes, portable medical sensors, industrial panel meters, energy monitoring subsystems, and capacitive HMI interfaces requiring stable component supply and long-term industrial lifecycle support.
Supply support for R7F100GMJ2DFA#AA0 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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets.
The RL78/G23 product line targets ultra-low-power, cost-sensitive embedded applications requiring rich analog integration, capacitive touch, and autonomous peripheral operation - designed specifically for battery-powered consumer and industrial edge devices.
FAQ
What is the maximum operating frequency and corresponding current consumption of the R7F100GMJ2DFA#AA0?
The R7F100GMJ2DFA#AA0 operates up to 32 MHz using the high-speed on-chip oscillator (±1.0% accuracy). At this frequency, its typical active current is 41 µA/MHz - resulting in ~1.3 mA total at 32 MHz with all peripherals enabled. In STOP mode, current drops to 210 nA for full 24 KB RAM retention. These values are measured per R01DS0395EJ0140 Rev.1.40, Section 1.1.
Does the R7F100GMJ2DFA#AA0 support hardware-based capacitive touch sensing, and how many keys can it handle?
Yes, the R7F100GMJ2DFA#AA0 integrates the CTSU2L capacitive touch sensing unit. It supports up to 32 keys in self-capacitance mode (one pin per key) or up to 64 keys in mutual-capacitance matrix mode (8 × 8 configuration). The unit operates independently of the CPU and includes built-in noise cancellation - confirmed in Section 1.1 and Table 1-2 of R01DS0395EJ0140 Rev.1.40.
What debug and programming interfaces are available on the R7F100GMJ2DFA#AA0?
The R7F100GMJ2DFA#AA0 supports on-chip debugging via the dedicated TOOL0 (pin P40) and TOOLRxD/TOOLTxD (pins P11/P12) signals, compatible with Renesas E2 emulator and CS+ IDE. It also supports self-programming of code and data flash with boot swapping and flash shield window protection - detailed in Sections 1.1 and 4.3.10 of R01DS0395EJ0140 Rev.1.40.
Can the R7F100GMJ2DFA#AA0 operate from a single 1.8-V supply, and what peripherals remain functional?
Yes, the R7F100GMJ2DFA#AA0 operates across 1.6 V to 5.5 V. At 1.8 V, all core functions, 12-bit ADC (with internal 1.48-V reference), CTSU2L, RTC, timers, UART, I²C, and SAU remain fully operational. The high-speed oscillator is specified down to 1.8 V, and the 32.768-kHz subsystem clock functions across the full temperature range - per Absolute Maximum Ratings and Electrical Characteristics tables in R01DS0395EJ0140 Rev.1.40.
What is the data flash endurance and sector organization for the R7F100GMJ2DFA#AA0?
The R7F100GMJ2DFA#AA0 includes 8 KB of data flash memory rated for 1,000,000 write/erase cycles (typical). It supports background operation (BGO), allowing CPU code execution from main flash while data flash is rewritten. Data flash is organized as a single 8-KB block - no sub-sector erase - and supports flash shield window protection to prevent unauthorized access. This is specified in Section 1.1 of R01DS0395EJ0140 Rev.1.40.
R7F100GMJ2DFA#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-LQFP
- Series:
- RL78/G23
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- Programmable:
- -
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CSI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- Capacitive Touch, LVD, POR, PWM, WDT
- Number of I/O:
- 70
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 24K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 17x8/10b/12b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F100GMJ2DFA#AA0 FAQ
1.How can I place an order for R7F100GMJ2DFA#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F100GMJ2DFA#AA0 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 R7F100GMJ2DFA#AA0 reliable?
The price and inventory of R7F100GMJ2DFA#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F100GMJ2DFA#AA0 is usually 5 days.
3.What payment methods are accepted for R7F100GMJ2DFA#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F100GMJ2DFA#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F100GMJ2DFA#AA0?
R7F100GMJ2DFA#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F100GMJ2DFA#AA0 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 R7F100GMJ2DFA#AA0?
For technical support, including R7F100GMJ2DFA#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F100GMJ2DFA#AA0 requirements.
6.How does Aetrix verify that R7F100GMJ2DFA#AA0 is sourced from the original manufacturer or authorized distributors?
All R7F100GMJ2DFA#AA0 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 R7F100GMJ2DFA#AA0 meets industry standards.
7.What is the process for return or replacement of R7F100GMJ2DFA#AA0?
All R7F100GMJ2DFA#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7F100GMJ2DFA#AA0, 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 R7F100GMJ2DFA#AA0 part is unused and in its original packaging.
Return procedure for R7F100GMJ2DFA#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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