Renesas R7F100GBG3CNP#AA0
- Part No.:
- R7F100GBG3CNP#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-WFQFN Exposed Pad
- Datasheet:
-
R7F100GBG3CNP#AA0.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 32WFQFN
- Quantity:
- Payment:

- Shipping:

Inventory:925
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R7F100GBG3CNP#AA0 from Renesas is a 32-pin, 128-KB code flash, 16-KB RAM RL78/G23 16-bit microcontroller operating at 1.6–5.5 V, featuring 41-µA/MHz active current, 210-nA data retention, and integrated capacitive touch sensing for industrial HMI applications.
For engineers reviewing the R7F100GBG3CNP#AA0 datasheet, R7F100GBG3CNP#AA0 pinout, R7F100GBG3CNP#AA0 application, or R7F100GBG3CNP#AA0 equivalent, this MCU delivers ultra-low-power operation with SNOOZE mode sequencer, hardware-accelerated CTSU2L, and dual-voltage I/O support for mixed-signal embedded control in space-constrained industrial designs.
Technical Context
The R7F100GBG3CNP#AA0 implements the RL78 CPU core with 3-stage pipeline, supporting instruction execution times from 0.03125 µs (32 MHz) to 30.5 µs (32.768 kHz), and integrates a SNOOZE mode sequencer (SMS) that executes up to 32 low-power processes without CPU, RAM, or flash activation.
It features a configurable CTSU2L capacitive sensing unit supporting self-capacitance (up to 32 keys) and mutual capacitance (8×8 matrix), alongside dual voltage-tolerant I/O (1.8/2.5/3.0 V compatible) and hardware event linking via ELCL for deterministic peripheral coordination.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and variable-speed clock domains |
| Flash / RAM | 128 KB code flash + 8 KB data flash + 16 KB SRAM - enables firmware updates with BGO and secure boot swapping |
| Power Consumption | 41 µA/MHz active current; 210 nA data retention - supports battery-backed operation for >10 years |
| Operating Voltage | 1.6–5.5 V - allows direct interface with Li-ion, coin-cell, and industrial 3.3/5 V rails |
| Capacitive Sensing | CTSU2L unit with self/mutual modes - eliminates external touch controller ICs in HMI designs |
| Temperature Range | -40°C to +105°C (industrial grade) - qualified for factory automation and motor control environments |
| Package | 32-pin HWQFN (5 × 5 mm, 0.5 mm pitch) - provides thermal efficiency and PCB area savings vs LQFP |
Pinout & Package
Package: 32-pin HWQFN (5 × 5 mm, 0.5 mm pitch), exposed die pad recommended to be connected to VSS for thermal and EMI performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10–P17 | Multi-function I/O with SAU/UART/SPI/I²C | Configurable serial interfaces enable simultaneous UARTA (LIN-capable), IICA, and CSI channels |
| P20–P23, P00–P01, P120, P147 | Analog input / comparator / reference | 12-bit ADC (up to 26 channels), internal 1.48 V ref, and dual comparators support sensor signal conditioning |
| P30–P31, P50–P51, P60–P62, P70–P72 | Capacitive touch sense inputs | CTSU2L dedicated pins enable robust self- and mutual-capacitance measurement without external components |
| RESET, REGC, VDD, VSS | Power and reset management | On-chip POR/LVD, REGC capacitor (0.47–1 µF) required for stable internal regulator operation |
| X1/X2, P121/P122 | Crystal oscillator interface | Supports 32.768 kHz crystal for RTC and high-accuracy 1–32 MHz crystals for system clock |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE Mode Sequencer (SMS) | Executes 32-step sequences of timer, ADC, CTSU, and logic operations autonomously - reduces wake-up latency and extends battery life |
| Hardware Event Link Controller (ELCL) | Routes signals between peripherals (e.g., TAU → CTSU → INT) without CPU intervention - enables deterministic real-time response |
| Background Operation (BGO) | Permits full CPU execution from flash while rewriting 8 KB data flash - enables seamless firmware updates and logging |
| Dual-Voltage I/O Ports | Supports 1.8 V, 2.5 V, and 3.0 V logic levels on select pins - simplifies interfacing with legacy or low-voltage peripherals |
| Capacitive Touch Unit (CTSU2L) | Self-capacitance (32 keys) and mutual-capacitance (64 keys) modes with built-in noise cancellation - eliminates need for external touch ASIC |
Applications
| Industrial HMI Panels | Smart Sensor Nodes |
|---|---|
Use Scenario: Touch-enabled operator interface on PLC-mounted panels in harsh factory environments. IC Role / Device Role / Timing Role: Main controller executing UI logic, managing CTSU2L touch detection, and driving local displays via SPI. Use Value: Ultra-low-power STOP mode (210 nA) preserves configuration during power loss; -40°C to +105°C rating ensures reliability near motors and drives. | Use Scenario: Battery-powered vibration/temperature sensor node transmitting data over UART to gateway. IC Role / Device Role / Timing Role: Sensor hub aggregating analog inputs, performing edge preprocessing, and managing low-duty-cycle wireless transmission. Use Value: 41-µA/MHz active current extends 10-year battery life; BGO enables continuous data logging during flash writes. |
| Energy Metering Interfaces | Motor Control Subsystems |
Use Scenario: Isolated communication interface between metrology SoC and display/control MCU in smart meters. IC Role / Device Role / Timing Role: Isolation-side bridge handling LIN/UART protocol translation and tamper-detection GPIO monitoring. Use Value: Dual-voltage I/O (1.8/3.3 V) matches metrology IC logic levels; hardware ELCL synchronizes pulse counting with zero-cross detection. | Use Scenario: Auxiliary controller for fan speed regulation, fault monitoring, and user feedback in HVAC inverters. IC Role / Device Role / Timing Role: Real-time PWM generation (TAU), analog monitoring (ADC), and buzzer/keypad interface (PCLBUZ/CTSU). Use Value: Integrated 32-bit interval timer enables precise 100-ms fan ramp control; CTSU2L replaces mechanical buttons for sealed front-panel design. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F100GBH3CNP#AA0 | Same package and pinout; 192 KB flash, 20 KB RAM - adds firmware headroom for OTA updates and larger RTOS stacks | Better suited for designs requiring extended bootloader functionality or multi-sensor fusion algorithms | Select when future firmware growth or enhanced data logging is anticipated |
| R7F100GLG3CFA#AA0 | 64-pin LQFP, 512 KB flash, 48 KB RAM - higher I/O count and memory, but larger footprint and higher cost | Targets complex industrial controllers needing multiple UART/I²C buses and extensive analog channel aggregation | Choose only if additional peripherals or memory bandwidth justifies PCB area and BOM cost increase |
Compared with R7F100GBG3CNP#AA0, the R7F100GBH3CNP#AA0 offers scalable firmware capacity without layout change, while the R7F100GLG3CFA#AA0 trades compactness for expanded peripheral integration - making the R7F100GBG3CNP#AA0 optimal for cost- and size-sensitive industrial HMI where 128 KB flash suffices.
Availability
R7F100GBG3CNP#AA0 is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, energy metering interfaces, and motor control subsystems requiring stable component supply across long production lifecycles.
Supply support for R7F100GBG3CNP#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 is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G23 product line delivers true low-power embedded control with integrated capacitive touch, event-driven peripherals, and industrial-grade reliability - designed specifically for cost-sensitive, battery-aware industrial HMI and sensor edge devices.
FAQ
What is the maximum operating frequency and corresponding instruction cycle time for the R7F100GBG3CNP#AA0?
The R7F100GBG3CNP#AA0 supports up to 32 MHz operation using the high-speed on-chip oscillator, delivering a minimum instruction execution time of 0.03125 µs. This timing is confirmed in the RL78/G23 datasheet Rev.1.40, Section 1.1, and applies directly to the R7F100GBG3CNP#AA0 variant with its 128 KB flash configuration.
Does the R7F100GBG3CNP#AA0 support hardware-based capacitive touch sensing, and what configurations are available?
Yes, the R7F100GBG3CNP#AA0 integrates the CTSU2L capacitive sensing unit supporting both self-capacitance (up to 32 keys on single pins) and mutual capacitance (8×8 matrix, up to 64 keys). It operates under VDD = 1.8–5.5 V and includes built-in noise cancellation - all confirmed in Section 1.1 of the R01DS0395EJ0140 datasheet for the RL78/G23 family.
What are the power supply requirements and low-power modes supported by the R7F100GBG3CNP#AA0?
The R7F100GBG3CNP#AA0 operates from a single 1.6–5.5 V supply and supports HALT, STOP, and SNOOZE modes. STOP mode draws 210 nA with 4 KB RAM retention; SNOOZE mode enables autonomous peripheral sequencing without CPU wake-up - specifications are explicitly listed for the RL78/G23 family and apply to the R7F100GBG3CNP#AA0 per its memory and package classification.
Which communication interfaces are integrated into the R7F100GBG3CNP#AA0, and how many instances are available?
The R7F100GBG3CNP#AA0 integrates up to 3 CSI (SPI-compatible) channels, 3–6 UART/UARTA (LIN-capable) channels, and 4–10 I²C/Simplified I²C channels. For the 32-pin HWQFN package, it supports 3 UARTA, 3 CSI, and 4 IICA channels - verified in Table 1-3 (Multiplexed Pin Functions) and Section 1.1 of the R01DS0395EJ0140 datasheet.
Is the R7F100GBG3CNP#AA0 pin-compatible with other RL78/G23 variants in the same package type?
Yes, all RL78/G23 32-pin HWQFN variants - including R7F100GBF3CNP#AA0, R7F100GBG3CNP#AA0, R7F100GBH3CNP#AA0, and R7F100GBJ3CNP#AA0 - share identical pinouts and electrical characteristics. Differences are limited to flash/RAM sizes and factory-programmed options, as confirmed in Table 1-1 and Figure 1-1 of the R01DS0395EJ0140 datasheet.
R7F100GBG3CNP#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 32-WFQFN Exposed Pad
- 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:
- 27
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 8x8/10b/12b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F100GBG3CNP#AA0 FAQ
1.How can I place an order for R7F100GBG3CNP#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F100GBG3CNP#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 R7F100GBG3CNP#AA0 reliable?
The price and inventory of R7F100GBG3CNP#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F100GBG3CNP#AA0 is usually 5 days.
3.What payment methods are accepted for R7F100GBG3CNP#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F100GBG3CNP#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F100GBG3CNP#AA0?
R7F100GBG3CNP#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F100GBG3CNP#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 R7F100GBG3CNP#AA0?
For technical support, including R7F100GBG3CNP#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F100GBG3CNP#AA0 requirements.
6.How does Aetrix verify that R7F100GBG3CNP#AA0 is sourced from the original manufacturer or authorized distributors?
All R7F100GBG3CNP#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 R7F100GBG3CNP#AA0 meets industry standards.
7.What is the process for return or replacement of R7F100GBG3CNP#AA0?
All R7F100GBG3CNP#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7F100GBG3CNP#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 R7F100GBG3CNP#AA0 part is unused and in its original packaging.
Return procedure for R7F100GBG3CNP#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7F100GBG3CNP#AA0 Tags

-
ATTINY4-TSHR
Microchip Technology

-
ATTINY10-TSHR
Microchip Technology

-
ATTINY10-TS8R
Microchip Technology

-
ATTINY202-SSNR
Microchip Technology

-
ATTINY202-SSFR
Microchip Technology

-
ATTINY402-SSNR
Microchip Technology

-
PIC16F15213T-I/MF
Microchip Technology

-
PIC16F15213-E/MF
Microchip Technology

-
PIC10F200T-I/OT
Microchip Technology

-
ATTINY412-SSNR
Microchip Technology

-
PIC10F202T-I/OT
Microchip Technology

-
ATTINY404-SSNR
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

