Renesas R5F10RGCAFB#30
- Part No.:
- R5F10RGCAFB#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F10RGCAFB#30.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 48LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,469
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R5F10RGCAFB#30 from Renesas is a 48-pin LFQFP, 32 KB flash, 2 KB data flash, 1.5 KB RAM RL78/L12 16-bit microcontroller with integrated LCD controller/driver (35 seg × 8 com), 10-bit ADC (10 channels), RTC, and ultra-low-power operation (0.64 µA in Halt mode with RTC + LVD). It targets battery-powered LCD display systems such as smart meters and portable medical devices.
For engineers reviewing the R5F10RGCAFB#30 datasheet, R5F10RGCAFB#30 pinout, R5F10RGCAFB#30 application, or R5F10RGCAFB#30 equivalent, key selection criteria include its 48-pin LFQFP-0.5 mm pitch package, 32 KB code flash with self-programming, on-chip LCD drive supporting capacitor split and internal boost methods, and verified 31 DMIPS at 24 MHz.
Technical Context
The R5F10RGCAFB#30 implements the RL78 CPU core with Harvard architecture, 3-stage pipeline, and CISC instruction set enabling 86% of instructions in 1–2 clock cycles. It integrates dual power domains (VDD/EVDD) and separate analog ground (EVSS) for noise-sensitive LCD and ADC operation.
Its LCD controller supports three drive methods (capacitor split, internal voltage boost, resistance division), 16-step contrast adjustment, and waveform A/B selection. The real-time clock includes full calendar, alarm, and watch correction functions - all operational down to 0.64 µA in Halt mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CPU delivering 31 DMIPS at 24 MHz; 86% instructions execute in 1–2 cycles |
| Memory | 32 KB code flash (1 KB blocks), 2 KB data flash (1M erase cycles), 1.5 KB RAM with backup retention |
| Power Modes | Halt (RTC+LVD): 0.64 µA; Stop (RAM retained): 0.23 µA; Operating: 62.5 µA/MHz |
| LCD Support | Up to 35 segments × 8 commons; supports capacitor split (0.12 µA), internal boost (0.63 µA @ 3.0 V) |
| Analog | 10-bit ADC with 10 channels, 2.1 µs conversion, internal 1.45 V reference, and on-chip temperature sensor |
| Clock Sources | 24 MHz on-chip oscillator (±1% over 1.8–5.5 V / −20°C to +85°C); external crystal (X1/X2, XT1/XT2) |
| Peripherals | 1 UART, 2 CSI (SPI-compatible), 1 I²C, 8-channel 16-bit timer array, RTC, 12-bit interval timer, 15 kHz WDT |
Pinout & Package
Package: 48-pin LFQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P121 / X1 | Main system crystal input | Connects to 1–20 MHz crystal for precise timing; requires external load capacitors |
| P122 / X2 / EXCLK | Main system crystal output / external clock input | Drives crystal; accepts external clock up to 20 MHz when crystal not used |
| P123 / XT1 | Subsystem crystal input | Supports 32.768 kHz crystal for RTC and low-power subsystem clock |
| P124 / XT2 / EXCLKS | Subsystem crystal output / external subsystem clock input | Completes RTC crystal circuit or accepts external 32.768 kHz clock |
| P126 / CAPL, P127 / CAPH | LCD capacitor terminals | Connect external capacitors for capacitor-split LCD drive method |
| VL1–VL4 | LCD power supply outputs | Provide bias voltages for LCD segment/common drivers; configurable per drive method |
| COM0–COM7 | LCD common outputs | Drive up to 8 LCD commons; support 35×8 or 39×4 multiplexing configurations |
| SEG0–SEG35 | LCD segment outputs | Drive up to 36 LCD segments; mapped across ports P1, P3, P4, P5, P6, P7, P14 |
| REGC | Voltage regulator decoupling | Must connect 0.47–1 µF capacitor to VSS to stabilize internal 1.25 V regulator |
| RESET | Active-low reset input | Accepts external reset signal; internally pulled up; triggers POR/LVD reset sequence |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power LCD operation | 0.12 µA LCD current using capacitor-split method enables multi-year battery life in portable displays |
| Integrated LCD controller/driver | Eliminates external LCD driver IC; supports 35×8 segment configuration and 16-step contrast control |
| Self-programmable flash | Enables firmware updates in-system without external programmer; includes flash shield window protection |
| Hardware CRC engine | Accelerates flash memory integrity checks required for IEC/UL 60730 Class B safety compliance |
| Dual power domain isolation | VDD/EVDD and VSS/EVSS separation reduces noise coupling between digital logic and analog/LCD circuits |
| Peripheral I/O redirection | PIOR register allows dynamic remapping of serial interfaces (UART/CSI/I²C) to alternate pins without PCB change |
Applications
| Smart Energy Meter | Portable Medical Device |
|---|---|
|
Use Scenario: Battery-powered electricity meter with segmented LCD display showing kWh, tariff, and time-of-use data. IC Role / Device Role / Timing Role: Primary MCU managing metrology calculations, LCD refresh, RTC-based billing intervals, and secure firmware updates. Use Value: 0.64 µA Halt mode extends 10-year battery life; integrated LCD driver eliminates 3 external components; 32 KB flash accommodates future OTA updates. |
Use Scenario: Handheld blood glucose monitor with 4-digit LCD, button interface, and USB charging. IC Role / Device Role / Timing Role: System controller handling ADC sampling, LCD update, key scan, RTC timestamping, and low-battery detection. Use Value: 10-bit ADC with internal reference ensures ±1% glucose reading accuracy; 0.12 µA LCD current enables >5000 screen-on hours per charge. |
| Home Appliance Control Panel | Industrial Sensor Node |
|
Use Scenario: Oven or HVAC control panel with 3-line LCD, touch keys, and temperature feedback. IC Role / Device Role / Timing Role: Human interface processor driving LCD, scanning KR inputs, reading thermistor ADC, and managing buzzer alerts. Use Value: On-chip buzzer output (PCLBUZ0/P140) replaces external driver; KR inputs support matrix keypad with minimal GPIO usage. |
Use Scenario: Wireless environmental sensor node logging temperature/humidity and displaying status on monochrome LCD. IC Role / Device Role / Timing Role: Edge intelligence unit performing sensor fusion, LCD status display, RTC-scheduled wake-up, and SPI communication with transceiver. Use Value: Dual clock domains allow independent RTC operation during deep sleep; 2 KB data flash stores 10,000+ sensor logs with wear leveling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F10RGCAGB#30 | Same 48-pin LFQFP package and peripherals, but rated for −40°C to +105°C industrial operation | Required for HVAC, factory automation, or automotive cabin modules where ambient exceeds +85°C | Select when extended temperature range is mandatory; otherwise R5F10RGCAFB#30 offers identical functionality at lower cost |
| R5F10RFCAFB#30 | 44-pin LQFP variant with identical 32 KB flash, 2 KB data flash, and LCD controller but only 40 total I/O pins | Suitable for space-constrained designs with ≤40 GPIO needs and no requirement for P50/P51 timer/INTP5 expansion | Choose for smaller PCB footprint and reduced pin count; verify SEG/COM mapping fits target LCD layout |
Compared with R5F10RGCAGB#30, the R5F10RGCAFB#30 trades industrial temperature rating for consumer-grade qualification, while R5F10RFCAFB#30 reduces pin count and I/O flexibility to fit compact layouts - both retain the same core performance, LCD capability, and ultra-low-power profile.
Availability
R5F10RGCAFB#30 is available at Aetrix Electronics and suitable for smart energy meters, portable medical devices, home appliance control panels, and industrial sensor nodes requiring stable component supply across long production lifecycles.
Supply support for R5F10RGCAFB#30 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/L12 product line delivers true low-power MCUs optimized for LCD-based applications, integrating high-efficiency processing, precision analog, and robust safety features into compact packages.
FAQ
What is the maximum operating frequency and performance of the R5F10RGCAFB#30?
The R5F10RGCAFB#30 operates at up to 24 MHz using its high-speed on-chip oscillator, delivering 31 DMIPS of processing performance. Its RL78 CPU core executes 86% of instructions in just 1–2 clock cycles due to its 3-stage pipeline and CISC architecture, making it suitable for real-time control tasks in LCD-based systems.
Does the R5F10RGCAFB#30 support multiple LCD drive methods?
Yes, the R5F10RGCAFB#30 supports three LCD drive methods: capacitor split (0.12 µA typical current), internal voltage boost (0.63 µA at 3.0 V), and external resistance division. This flexibility allows optimization for ultra-low-power battery operation or higher-contrast displays without external components.
What are the memory resources available on the R5F10RGCAFB#30?
The R5F10RGCAFB#30 includes 32 KB of on-chip code flash memory (organized in 1 KB blocks with write protection), 2 KB of data flash memory rated for 1 million erase cycles, and 1.5 KB of RAM with backup retention across all power modes - including Halt mode with RTC active.
How does the R5F10RGCAFB#30 achieve ultra-low-power operation?
The R5F10RGCAFB#30 achieves ultra-low-power operation through multiple hardware features: Halt mode draws only 0.64 µA with RTC and LVD active; Stop mode retains RAM at 0.23 µA; and operating current is just 62.5 µA/MHz. Its LCD controller further reduces display power to 0.12 µA using capacitor-split drive.
Is the R5F10RGCAFB#30 pin-compatible with other RL78/L12 variants?
No - the R5F10RGCAFB#30 uses a 48-pin LFQFP-0.5 mm pitch package, which is physically and electrically distinct from 32-pin LQFP, 44-pin LQFP, 52-pin LQFP, or 64-pin HWQFN/LFQFP variants. Pin mapping, I/O count, and peripheral routing differ across package types; migration requires PCB redesign.
R5F10RGCAFB#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- RL78/L12
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- Programmable:
- Not Verified
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 24MHz
- Connectivity:
- CSI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 33
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 1.5K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 9x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F10RGCAFB#30 FAQ
1.How can I place an order for R5F10RGCAFB#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F10RGCAFB#30 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 R5F10RGCAFB#30 reliable?
The price and inventory of R5F10RGCAFB#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F10RGCAFB#30 is usually 5 days.
3.What payment methods are accepted for R5F10RGCAFB#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F10RGCAFB#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F10RGCAFB#30?
R5F10RGCAFB#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F10RGCAFB#30 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 R5F10RGCAFB#30?
For technical support, including R5F10RGCAFB#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F10RGCAFB#30 requirements.
6.How does Aetrix verify that R5F10RGCAFB#30 is sourced from the original manufacturer or authorized distributors?
All R5F10RGCAFB#30 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 R5F10RGCAFB#30 meets industry standards.
7.What is the process for return or replacement of R5F10RGCAFB#30?
All R5F10RGCAFB#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F10RGCAFB#30, 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 R5F10RGCAFB#30 part is unused and in its original packaging.
Return procedure for R5F10RGCAFB#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F10RGCAFB#30 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…

