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Renesas R5F11NMFAFB#30
- Part No.:
- R5F11NMFAFB#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F11NMFAFB#30.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:623
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Product details
Overview
R5F11NMFAFB#30 from Renesas is an RL78/H1D 80-pin ultra-low-power microcontroller with integrated analog front-end (24-bit ΔΣ A/D, PGA, 12-bit D/A), LCD controller/driver, and real-time clock 2. It delivers 33 DMIPS at 24 MHz, operates from 1.8 V to 5.5 V, and achieves 70.8 μA/MHz active current and 0.68 μA Halt mode current. Designed for precision sensor interfacing in healthcare and flow metering systems.
For engineers reviewing the R5F11NMFAFB#30 datasheet, R5F11NMFAFB#30 pinout, R5F11NMFAFB#30 application, or R5F11NMFAFB#30 equivalent, this page provides verified technical context, package mapping, functional pin roles, low-power design trade-offs, and validated alternative options for medical-grade signal acquisition and display control.
Technical Context
The R5F11NMFAFB#30 implements the RL78 CISC CPU core with 3-stage pipeline, supporting multiply/divide and MAC instructions. Its analog subsystem includes a 24-bit second-order ΔΣ A/D converter (85 dB SNDR, 488 sps–15.625 ksps) and programmable gain instrumentation amplifier (PGA0) with x1–x64 gain, plus rail-to-rail operational amplifiers and dual D/A converters (8-bit and 12-bit).
It integrates an LCD controller supporting up to 36 segments and 8 commons, real-time clock 2 with calendar and alarm, and power management features including HALT/STOP/SNOOZE modes, on-chip LVD (9-level), and POR. The device supports 3 UART, 4 I²C, and 3 CSI channels, with event link controller (ELC) enabling hardware-triggered peripheral chaining.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 CISC, 33 DMIPS @ 24 MHz - enables real-time sensor processing without external co-processor |
| Flash / RAM | 96 KB code flash + 4 KB data flash + 5.5 KB RAM - sufficient for firmware, calibration tables, and buffered waveform storage |
| Power Consumption | 70.8 μA/MHz active, 0.68 μA Halt mode - extends battery life in portable medical devices |
| Analog Front-End | 24-bit ΔΣ A/D (85 dB SNDR), PGA0 (x1–x64), 12-bit D/A - supports high-resolution pressure/flow transducer digitization |
| LCD Driver | 36 segment × 8 common outputs - drives alphanumeric displays in handheld diagnostic tools |
| Operating Voltage | 1.8 V to 5.5 V - compatible with single-cell Li-ion, alkaline, or regulated industrial supplies |
| Temp Range | −40°C to +85°C (Industrial grade) - certified for use in clinical and industrial flow meter environments |
Pinout & Package
Package: 80-pin LFQFP (12 × 12 mm, 0.5 mm pitch), RoHS-compliant, industrial temperature grade (−40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD / VSS | Digital power supply / ground | Primary logic domain; decoupling required per datasheet cautions |
| AVDD / AVSS | Analog power supply / ground | Must be tied to VDD/VSS respectively; critical for AFE noise performance |
| REGA / REGC | AFE LDO output / regulator capacitor | REGA powers internal analog circuits; REGC requires 0.47–1 µF capacitor to VSS |
| PGA00P / PGA00N | PGA0 differential input | Accepts sensor bridge outputs; gain configurable via register (x1–x64) |
| AMP0O | Operational amplifier output | Rail-to-rail output stage for signal conditioning or sensor biasing |
| SBIAS | Sensor bias voltage output | 0.5–2.2 V programmable LDO for powering external sensors |
| SEG0–SEG35 / COM0–COM7 | LCD segment/common drivers | Direct drive of multiplexed LCD panels without external driver IC |
| RTC1HZ / VL1–VL4 | Real-time clock correction / LCD voltage boost | Enables accurate timekeeping and flexible LCD contrast control |
Key Features
| Feature | Design Value |
|---|---|
| 24-bit ΔΣ A/D with PGA | 85 dB SNDR enables <10 ppm measurement accuracy for flow transducers |
| Integrated LCD controller | Eliminates external driver IC, reducing BOM cost and PCB area in portable meters |
| Low-power HALT mode | 0.68 μA consumption allows multi-year operation on coin-cell batteries |
| On-chip data flash | 4 KB background-operable memory stores calibration coefficients without halting execution |
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining reduces CPU load during continuous sampling |
Applications
| Portable Blood Pressure Monitor | Ultrasonic Flow Meter |
|---|---|
Use Scenario: Battery-powered sphygmomanometer acquiring cuff pressure waveforms and calculating systolic/diastolic values. IC Role / Device Role / Timing Role: Central controller managing analog signal chain (PGA → ΔΣ A/D), LCD display, real-time clock for timestamping, and low-power sleep/wake cycles. Use Value: Integrated AFE eliminates external signal conditioning ICs; 24-bit resolution captures subtle Korotkoff sounds; 0.68 μA Halt mode enables >3-year battery life. | Use Scenario: Clamp-on ultrasonic flow meter measuring transit-time differences across pipe walls using piezoelectric transducers. IC Role / Device Role / Timing Role: Precision timing controller generating excitation pulses, capturing echo signals via PGA/ΔΣ A/D, computing Δt, and driving segmented LCD. Use Value: 24-bit ΔΣ A/D resolves sub-nanosecond transit-time differences; built-in 12-bit D/A calibrates transducer bias; LCD driver supports custom flow graphics. |
| Infusion Pump Display Module | Gas Analyser Handheld Unit |
Use Scenario: Safety-critical infusion pump with pressure sensing, motor control feedback, and real-time dose display. IC Role / Device Role / Timing Role: Dual-role controller: analog acquisition (pressure sensor, current sense) and human interface (LCD, buttons, buzzer via PCLBUZ). Use Value: On-chip 12-bit D/A generates precise reference voltages for motor current monitoring; RTC2 ensures accurate dose timing; SBIAS powers Hall-effect position sensors. | Use Scenario: Portable gas analyser detecting ppm-level CO₂ or O₂ using NDIR or electrochemical sensors. IC Role / Device Role / Timing Role: Sensor interface hub: PGA conditions weak sensor outputs, ΔΣ A/D digitizes low-noise signals, and LCD displays concentration curves. Use Value: 85 dB SNDR rejects EMI in industrial environments; programmable SBIAS optimizes sensor bias for different gas cells; 4 KB data flash stores sensor calibration profiles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F11NLFAFB#30 | 64-pin LFQFP, 96 KB flash, same AFE and peripherals but fewer I/O (63 vs. 80 pins) and no SEG30–SEG35/LCD expansion | Suitable for space-constrained designs where full 80-pin I/O and 36-segment LCD are unnecessary | Select when PCB footprint reduction outweighs need for maximum LCD segment count or I/O flexibility |
| R5F11PLFABG#U0 | 64-pin TFBGA (4 × 4 mm), identical AFE/peripherals, same 96 KB flash, but smaller package and different pinout | Targeted at ultra-compact wearable or implantable diagnostics requiring minimal board area | Choose for miniaturized form factors where thermal dissipation and layout density are prioritized over serviceability |
Compared with R5F11NMFAFB#30, the R5F11NLFAFB#30 reduces package size and I/O count while retaining full AFE capability, whereas the R5F11PLFABG#U0 offers identical functionality in a 4×4 mm TFBGA-enabling dramatic PCB area savings at the cost of rework complexity and thermal management constraints.
Availability
R5F11NMFAFB#30 is available at Aetrix Electronics and suitable for portable medical devices, industrial flow meters, and handheld gas analysers requiring stable component supply, long-term lifecycle support, and industrial-grade reliability.
Supply support for R5F11NMFAFB#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, and power solutions for automotive, industrial, and IoT markets.
The RL78/H1D product line is engineered for ultra-low-power, high-precision analog-intensive applications-including medical instrumentation and fluid measurement-integrating AFE, LCD, and timing functions into a single chip.
FAQ
What is the maximum operating frequency and corresponding power consumption of the R5F11NMFAFB#30?
The R5F11NMFAFB#30 operates at up to 24 MHz using its high-speed on-chip oscillator, delivering 33 DMIPS. At this frequency, it consumes 70.8 μA per MHz under typical conditions. In HALT mode with RTC2 and LVD enabled, current drops to 0.68 μA - a key specification validated in the R01DS0318EJ0111 datasheet for battery-powered R5F11NMFAFB#30 deployments.
Does the R5F11NMFAFB#30 support simultaneous use of its 24-bit ΔΣ A/D and 12-bit D/A converters?
Yes, the R5F11NMFAFB#30 supports concurrent operation: the 24-bit ΔΣ A/D converter (with PGA0) and 12-bit D/A converter (DAC1) operate independently on separate analog domains. Both share the AVDD/AVSS supply rails but have dedicated control registers and conversion triggers, enabling closed-loop sensor excitation and measurement within a single R5F11NMFAFB#30 device.
How many LCD segments and commons does the R5F11NMFAFB#30 support, and what drive methods are available?
The R5F11NMFAFB#30 supports up to 36 segment outputs (SEG0–SEG35) and 8 common outputs (COM0–COM7), configurable for static or multiplexed (1/2 to 1/8 duty) LCDs. It offers three drive methods: internal voltage boosting, capacitor split, and external resistance division - all selectable in software to match panel requirements without external components for the R5F11NMFAFB#30.
What are the key differences between the R5F11NMFAFB#30 and R5F11NLFAFB#30 beyond package size?
Beyond the 80-pin LFQFP vs. 64-pin LFQFP packaging, the R5F11NMFAFB#30 provides full 36-segment LCD support (SEG0–SEG35), while the R5F11NLFAFB#30 supports only 27–32 segments depending on COM count. The R5F11NMFAFB#30 also includes ANI12–ANI14 analog inputs and additional I/O ports - confirmed in the R01DS0318EJ0111 function matrix for R5F11NMFAFB#30.
Is the SBIAS output on the R5F11NMFAFB#30 programmable, and what is its voltage range?
Yes, the SBIAS pin on the R5F11NMFAFB#30 is a programmable LDO output adjustable from 0.5 V to 2.2 V in 0.1 V steps. It is designed to bias external sensors such as bridge-based pressure transducers or electrochemical cells, and requires a 0.22 µF capacitor to AVSS per datasheet Caution 5 - a verified requirement for stable R5F11NMFAFB#30 operation.
R5F11NMFAFB#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-LQFP
- Series:
- RL78/H1D
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- Programmable:
- Not Verified
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 24MHz
- Connectivity:
- CSI, I2C, SPI, UART/USART
- Peripherals:
- LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 46
- Program Memory Size:
- 96KB (96K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 5.5K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.4V ~ 5.5V
- Data Converters:
- A/D 5x8/10b SAR, Sigma-Delta; D/A 1x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F11NMFAFB#30 FAQ
1.How can I place an order for R5F11NMFAFB#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F11NMFAFB#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 R5F11NMFAFB#30 reliable?
The price and inventory of R5F11NMFAFB#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F11NMFAFB#30 is usually 5 days.
3.What payment methods are accepted for R5F11NMFAFB#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F11NMFAFB#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F11NMFAFB#30?
R5F11NMFAFB#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F11NMFAFB#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 R5F11NMFAFB#30?
For technical support, including R5F11NMFAFB#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F11NMFAFB#30 requirements.
6.How does Aetrix verify that R5F11NMFAFB#30 is sourced from the original manufacturer or authorized distributors?
All R5F11NMFAFB#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 R5F11NMFAFB#30 meets industry standards.
7.What is the process for return or replacement of R5F11NMFAFB#30?
All R5F11NMFAFB#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F11NMFAFB#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 R5F11NMFAFB#30 part is unused and in its original packaging.
Return procedure for R5F11NMFAFB#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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