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Renesas R5F111NHALA#U0
- Part No.:
- R5F111NHALA#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 85-VFLGA
- Datasheet:
-
R5F111NHALA#U0.pdf
- Description:
- IC MCU 16BIT 192KB FLASH 85VFLGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,942
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Product details
Overview
R5F111NHALA#U0 from Renesas is an RL78/L1C 85-pin VFLGA microcontroller without USB, featuring 192 KB flash, 12 KB RAM, integrated LCD controller/driver (44 segment × 4 common), 12-bit A/D converter (12-channel, 2.4–3.6 V range), and ultra-low power operation down to 112.5 μA/MHz - designed for battery-powered LCD display applications in consumer electronics.
For engineers reviewing the R5F111NHALA#U0 datasheet, R5F111NHALA#U0 pinout, R5F111NHALA#U0 application, or R5F111NHALA#U0 equivalent, key selection criteria include LCD segment drive capability (44 seg × 4 com), absence of USB PHY, industrial-grade temperature support (−40°C to +105°C), and compatibility with Renesas' RL78 toolchain and IAR/CC-RL compilers.
Technical Context
The R5F111NHALA#U0 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and selectable instruction execution time (0.04167 μs at 24 MHz to 30.5 μs at 32.768 kHz). It integrates a dedicated LCD controller supporting internal voltage boosting and capacitor-split methods, with programmable VL1–VL4 bias generation.
It includes 11× 16-bit timers, RTC2 with calendar and alarm, 2× comparators, 2× 8-bit D/A outputs, and five serial interfaces (4× UART/LIN, 4× CSI, 5× I²C) - all managed via Event Link Controller (ELC) and Data Transfer Controller (DTC) for autonomous peripheral coordination without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 CPU, CISC, 3-stage pipeline, 33 DMIPS @ 24 MHz |
| Memory | 192 KB code flash (1 KB blocks), 8 KB data flash, 12 KB RAM |
| LCD Support | 44 segment × 4 common outputs; internal boost/capacitor-split biasing |
| A/D Converter | 12-bit resolution, 12 analog inputs, VDD = 2.4–3.6 V, internal 1.45 V reference |
| Power Consumption | 112.5 μA/MHz active; 0.68 μA in RTC2 + LVD STOP mode |
| Operating Range | 1.6–3.6 V supply; −40°C to +105°C (industrial grade, 'G' variant) |
| Package | 85-pin VFLGA (7 × 7 mm, 0.65 mm pitch), #U0 tray packaging |
Pinout & Package
85-pin plastic VFLGA package (7 × 7 mm, 0.65 mm pitch), optimized for compact LCD-based consumer and industrial devices requiring low profile and high I/O density.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| COM0–COM3 | LCD common output | Drives up to 4 LCD backplane lines; supports static or multiplexed bias schemes |
| SEG0–SEG55 | LCD segment output | Configurable as 44 active segments (e.g., SEG0–SEG6, SEG12–SEG25, etc.) per datasheet mapping |
| P00–P07 | General-purpose I/O port | Supports TTL input, N-ch open-drain (6 V tolerant), pull-up resistors, and key interrupt |
| P30–P35 | LCD timing & control | Provides REMOOUT, RTC1HZ, SCK30/SCL30, SI30/SDA30 for synchronized LCD refresh and interface |
| VDD0 / VSS0 | Core power / ground | Dual power domains: VDD0 powers digital logic; AVDD/AVSS isolate analog peripherals |
| VL1–VL4 | LCD bias voltage taps | Internal charge-pump outputs enabling adjustable LCD contrast and driving capability |
Key Features
| Feature | Design Value |
|---|---|
| True Low Power Platform | HALT/STOP/SNOOZE modes enable sub-μA retention with RTC2 + LVD active |
| Integrated LCD Controller/Driver | Eliminates external bias IC; supports 44-segment × 4-common displays with software-configurable waveforms |
| Background Data Flash Rewrite | BGO allows full CPU execution from code flash while updating 8 KB data flash (1M write cycles) |
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining (e.g., timer overflow → ADC start → DTC transfer) reduces ISR overhead |
| On-chip Debug & Security | Firmware protection via block erase prohibition; boot swap and flash shield window for secure firmware updates |
Applications
| Smart Thermostat Display | Industrial Panel Meter |
|---|---|
|
Use Scenario: Compact wall-mounted HVAC controller with 4-digit segmented LCD and push-button interface. IC Role / Device Role / Timing Role: Primary MCU managing sensor reads (A/D), button scan (KR0–KR7), LCD refresh (COM0–COM3, SEG0–SEG43), and real-time scheduling (RTC2). Use Value: Single-chip solution eliminates external LCD driver and voltage booster, reducing BOM cost and PCB area by >30% versus discrete alternatives. |
Use Scenario: DIN-rail mounted energy meter with 6-digit LCD readout and isolated RS-485 communication. IC Role / Device Role / Timing Role: Main controller handling 12-channel analog sensing (current/voltage transformers), UART2/UART3 for Modbus RTU, and LCD update at 60 Hz via ELC-synchronized timers. Use Value: 12-bit A/D with internal reference enables ±0.5% measurement accuracy; industrial temp rating ensures reliability in uncooled enclosures. |
| Portable Medical Monitor | Home Appliance Control Panel |
|
Use Scenario: Battery-powered pulse oximeter with OLED-compatible segmented display and low-power sleep between measurements. IC Role / Device Role / Timing Role: System-on-chip executing SpO₂ algorithm, driving 32-segment display, sampling analog photodiode signals, and waking on button press or timer event. Use Value: 0.68 μA STOP mode extends CR2032 battery life to >2 years; integrated comparator (IVCMP0) enables analog signal threshold detection without wake-up. |
Use Scenario: Microwave oven control board with 4-line LCD, keypad matrix, buzzer feedback, and safety interlock monitoring. IC Role / Device Role / Timing Role: Central controller managing PCLBUZ0/PCLBUZ1 audio output, key return scanning (KR0–KR7), thermal cutoff inputs, and segmented display refresh at 120 Hz. Use Value: On-chip buzzer clock generator and programmable tone synthesis reduce external components; HALT mode cuts standby current to <1 μA during idle. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F111NHGLA | Same core, memory, and LCD specs; differs only in temperature grade (−40°C to +105°C vs. R5F111NHALA#U0's −40°C to +85°C) | Targeted at industrial environments requiring extended thermal stability | Select R5F111NHGLA when operating ambient exceeds +85°C or requires automotive-qualified thermal margin |
| R5F111MJALA | 256 KB flash, 16 KB RAM, same 85-pin VFLGA package and LCD capability; no USB | Suitable for feature-rich UIs requiring larger firmware image or more runtime variables | Choose R5F111MJALA when firmware size exceeds 192 KB or additional RAM buffers are needed for graphics rendering |
Compared with R5F111NHALA#U0, R5F111NHGLA offers identical functionality with extended temperature tolerance, while R5F111MJALA provides scalable memory headroom - both maintain pin-for-pin compatibility and require no PCB redesign, enabling seamless migration within the RL78/L1C family.
Availability
R5F111NHALA#U0 is available at Aetrix Electronics and suitable for smart thermostat displays, industrial panel meters, portable medical monitors, home appliance control panels, and battery-powered LCD instrumentation requiring stable component supply and long-term production continuity.
Supply support for R5F111NHALA#U0 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/L1C product line is engineered specifically for ultra-low-power LCD-based human interface devices, integrating display drivers, precision analog, and robust real-time control in a single chip.
FAQ
Does R5F111NHALA#U0 support USB functionality?
No, R5F111NHALA#U0 is explicitly a non-USB variant of the RL78/L1C family. Its part number prefix "111" denotes absence of USB PHY and related pins (UREGC, UVBUS, UDP, UDM). For USB-enabled operation, select "110" series parts such as R5F110NHALA#U0, which include full-speed USB 2.0 controller and battery charging compliance.
What LCD configurations does R5F111NHALA#U0 support?
R5F111NHALA#U0 supports up to 44 segment outputs and 4 common outputs (COM0–COM3), configurable for static or 1/2–1/4 duty multiplexed displays. Bias voltage generation is handled internally via VL1–VL4 outputs using capacitor-split or internal boost methods - no external voltage divider or charge pump IC required.
How many analog input channels are available on R5F111NHALA#U0?
R5F111NHALA#U0 provides 12 analog input channels: ANI0–ANI2, ANI5–ANI6, and ANI16–ANI21. The 12-bit A/D converter operates only when VDD ≥ 2.4 V; for lower supply voltages (1.6–2.4 V), it reverts to 8/10-bit mode. Internal reference (1.45 V TYP.) and temperature sensor are also accessible.
Is R5F111NHALA#U0 pin-compatible with other RL78/L1C 85-pin variants?
Yes, all RL78/L1C 85-pin VFLGA parts - including R5F111NHALA#U0, R5F111NHGLA, and R5F111MJALA - share identical pinout, footprint, and electrical characteristics. Memory size, temperature grade, and USB presence vary by part number, but PCB layout and schematic symbols remain fully interchangeable.
What debug and programming interfaces does R5F111NHALA#U0 support?
R5F111NHALA#U0 supports on-chip debugging via the single-pin SWD interface (using TOOL0 pin), compatible with Renesas E2 emulator and third-party tools like IAR EWRL78. It includes full self-programming capability with boot swap and flash shield window functions, enabling secure field firmware updates without external programmers.
R5F111NHALA#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 85-VFLGA
- Series:
- RL78/L1C
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- Programmable:
- Not Verified
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 24MHz
- Connectivity:
- CSI, I2C, LINbus, UART/USART
- Peripherals:
- LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 55
- Program Memory Size:
- 192KB (192K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 3.6V
- Data Converters:
- A/D 11x8/12b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F111NHALA#U0 FAQ
1.How can I place an order for R5F111NHALA#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F111NHALA#U0 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 R5F111NHALA#U0 reliable?
The price and inventory of R5F111NHALA#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F111NHALA#U0 is usually 5 days.
3.What payment methods are accepted for R5F111NHALA#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F111NHALA#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F111NHALA#U0?
R5F111NHALA#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F111NHALA#U0 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 R5F111NHALA#U0?
For technical support, including R5F111NHALA#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F111NHALA#U0 requirements.
6.How does Aetrix verify that R5F111NHALA#U0 is sourced from the original manufacturer or authorized distributors?
All R5F111NHALA#U0 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 R5F111NHALA#U0 meets industry standards.
7.What is the process for return or replacement of R5F111NHALA#U0?
All R5F111NHALA#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F111NHALA#U0, 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 R5F111NHALA#U0 part is unused and in its original packaging.
Return procedure for R5F111NHALA#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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