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Renesas R5F1054AGNA#20
- Part No.:
- R5F1054AGNA#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 16-WFQFN Exposed Pad
- Datasheet:
-
R5F1054AGNA#20.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 16WFQFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,180
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Product details
Overview
R5F1054AGNA#20 from Renesas Electronics is a 16-pin HWQFN-packaged RL78/G11 16-bit microcontroller designed for ultra-low-power industrial embedded control. It integrates 16 KB code flash, 2 KB data flash, 1.5 KB RAM, 10-bit A/D converter (8 channels), dual UART, four CSI interfaces, two I²C channels, and operates across 1.6–5.5 V at -40°C to +105°C - enabling use in battery-powered sensor nodes and motor-control subsystems.
For engineers reviewing the R5F1054AGNA#20 datasheet, R5F1054AGNA#20 pinout, R5F1054AGNA#20 application, or R5F1054AGNA#20 equivalent, key selection criteria include its 24 MHz max CPU speed with 33 DMIPS performance, HALT/STOP/SNOOZE low-power modes (0.64 μA in LVD-only operation), on-chip debug support, and hardware event link controller (ELC) for deterministic peripheral triggering.
Technical Context
The R5F1054AGNA#20 implements the RL78 CISC CPU core with 3-stage pipeline, supporting multiply/divide/MAC instructions and 1 Mbyte address space. Its clock system combines selectable high-speed on-chip oscillator (up to 24 MHz ±1.0%), middle-speed (4/2/1 MHz), and low-speed (15 kHz) oscillators, all configurable via register settings without external components.
Peripheral integration includes a 4-channel 16-bit Timer Array Unit (TAU), 12-bit interval timer, watchdog timer, two comparators with window mode, one PGA, and Data Transfer Controller (DTC) with 22 activation sources - enabling autonomous sensor data acquisition and real-time signal conditioning without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RL78 16-bit CISC with 3-stage pipeline, 33 DMIPS @ 24 MHz - enables efficient real-time control with low gate count. |
| Memory | 16 KB code flash (1 KB blocks), 2 KB data flash (1M rewrite cycles), 1.5 KB RAM - supports field firmware updates and parameter storage. |
| Power Range | 1.6 V to 5.5 V supply; 0.64 μA STOP mode with LVD active - extends battery life in always-on monitoring systems. |
| Analog Peripherals | 10-bit A/D converter (8 input channels), 8-bit D/A converter (2 channels), 2 comparators, 1 PGA - enables closed-loop analog sensing and actuation. |
| Serial Interfaces | 2 × UART, 4 × CSI (SPI-compatible), 2 × I²C (including multimaster) - provides flexible connectivity to sensors, displays, and host controllers. |
| Timers & Control | 4-channel 16-bit TAU, 12-bit interval timer, watchdog, ELC with 16 event inputs - delivers precise timing and hardware-synchronized peripheral operation. |
| Operating Temp | -40°C to +105°C industrial grade - qualified for under-hood automotive, industrial PLC I/O modules, and factory automation. |
Pinout & Package
Package: 16-pin HWQFN (3 mm × 3 mm, 0.50 mm pitch) with exposed die pad connected to VSS per datasheet recommendation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P20/ANI0/AVREFP/IVREF1/SO10/TxD1 | Analog input / A/D reference (+) / comparator ref / SPI output / UART TX | Multi-function pin supporting analog sensing, reference voltage sourcing, and serial communication - requires careful pin assignment planning. |
| P21/ANI1/AVREFM/IVREF0 | Analog input / A/D reference (-) / comparator ref | Dual-purpose reference pair for A/D and comparator circuits; AVREFM must be ≤ AVREFP for valid conversion. |
| P22/ANI2/PGAI/IVCMP0 | Analog input / PGA input / comparator input | Direct connection point for precision analog front-end; enables programmable gain amplification before A/D or comparison. |
| P23/ANI3/ANO1/PGAGND | Analog input / D/A output / PGA ground | Supports simultaneous analog input sampling and DAC output; PGAGND provides dedicated low-noise return path for PGA. |
| P33/ANI18/IVCMP1/INTP11 | Analog input / comparator input / external interrupt | Enables wake-up-from-STOP on analog threshold crossing or external edge - critical for ultra-low-power event-driven operation. |
| P31/ANI20/KR0/TI01/TO00/INTP4/TKBO0/RxD0/SI11/SDA11/SCLA0 | Analog input / key return / timer input / timer output / interrupt / UART RX / SPI input / I²C data | High-density multiplexing supports mixed-signal control applications; KR0 enables matrix keypad scanning without GPIO overhead. |
| P30/ANI21/KR1/TI00/TO01/INTP3/SCK11/SCL11/TxD0/PCLBUZ0/TKBO1/SDAA0 | Analog input / key return / timer I/O / interrupt / UART TX / SPI clock / I²C clock / buzzer output | Combines timing, communication, and human-interface functions - simplifies PCB layout for compact HMI or control panels. |
| P56/ANI22/KR2/SO11/INTP10/(TO03)/(INTFO) | Analog input / key return / SPI output / interrupt / optional timer output / interrupt flag | Provides additional analog channel and key scan capability while supporting diagnostic signaling via INTFO pin. |
| P40/TOOL0/TO03/(PCLBUZ0)/SCK10/VCOUT0/VCOUT1/INTFO | Debug interface / timer output / buzzer / SPI clock / comparator output / interrupt flag | Shared debug and functional pin; TOOL0 enables in-circuit programming; VCOUT0/1 provide direct comparator status without software polling. |
| P125/RESET/INTP9 | Reset input / external interrupt | Active-low reset with internal POR/LVD; double-function as interrupt source allows hardware fault detection and recovery initiation. |
| P137/INTP0/TI03 | External interrupt / timer input | Primary interrupt source for time-critical events; TI03 supports pulse-width measurement or frequency capture from external signals. |
| P122/X2/EXCLK/SI10/RxD1/TI02/INTP1 | Clock input / external clock / SPI input / UART RX / timer input / interrupt | Flexible clocking option: accepts crystal (X2), external clock (EXCLK), or serial data - enables synchronization to master system clock. |
| P121/X1/(TI01)/INTP2 | Clock input / crystal / timer input / interrupt | X1 pin for primary crystal oscillator; TI01 enables auxiliary timer input when crystal not used - maintains timing flexibility. |
| REGC | Regulator capacitor terminal | Must connect to VSS via 0.47–1 μF capacitor; stabilizes internal LDO output - omission causes unstable operation or reset failures. |
| VDD | Main power supply | 1.6–5.5 V operation; powers core, flash, and most peripherals - decoupling required per layout guidelines. |
| VSS | Ground reference | Common return for digital, analog, and regulator circuits; exposed die pad must be soldered to VSS plane for thermal and electrical integrity. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 58.3 μA/MHz active current and 0.64 μA STOP mode with LVD - reduces energy consumption in battery-powered IoT endpoints. |
| Hardware event linking | Event Link Controller (ELC) routes 16 peripheral events directly to 4 target functions without CPU involvement - eliminates ISR latency in time-critical control loops. |
| Self-programmable flash | On-chip debug and flash shield window enable secure in-field firmware updates with boot swap - supports OTA upgrades in deployed industrial devices. |
| Integrated analog subsystem | 10-bit A/D (8 ch), 8-bit D/A (2 ch), 2 comparators, 1 PGA, and internal temperature sensor - replaces discrete signal-conditioning circuitry in sensor interface designs. |
| Configurable clock system | Three independent on-chip oscillators (24 MHz HS, 4 MHz MS, 15 kHz LS) plus crystal support - eliminates external clock components while maintaining timing accuracy across operating conditions. |
Applications
| Motor Control Subsystem | Industrial Sensor Node |
|---|---|
Use Scenario: Compact BLDC motor driver with hall-effect feedback and current sensing. IC Role / Device Role / Timing Role: Real-time commutation logic, ADC-based current monitoring, PWM generation via TAU, and UART diagnostics. Use Value: Integrated 10-bit ADC (8 ch), 4-channel TAU, and ELC enable deterministic motor timing without external timers or FPGA logic. | Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and CO₂ via analog and I²C sensors. IC Role / Device Role / Timing Role: Low-power sensor hub managing wake-up intervals, analog acquisition, I²C sensor reads, and UART/Bluetooth data forwarding. Use Value: 0.64 μA STOP mode with LVD, 15 kHz low-speed oscillator, and key-interrupt wake-up extend battery life beyond 5 years on coin cell. |
| Smart Appliance UI Panel | Factory Automation I/O Module |
Use Scenario: Touchless control panel using capacitive proximity sensing and buzzer feedback. IC Role / Device Role / Timing Role: Key return scanning (KR0–KR2), programmable buzzer output (PCLBUZ0/1), and analog front-end for proximity detection. Use Value: Dedicated key interrupt and hardware buzzer controller eliminate software polling and timer resource contention in responsive HMI designs. | Use Scenario: DIN-rail mounted I/O module converting 4–20 mA analog inputs to Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Precision 10-bit ADC with internal reference, UART with LIN support, and robust 1.6–5.5 V operation across industrial supply rails. Use Value: AVREFP/AVREFM pins provide stable reference for ratiometric 4–20 mA measurements; -40°C to +105°C rating ensures reliability in control cabinet environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F1056AGSP#30 | 20-pin LSSOP package; adds 2 analog inputs (ANI16/ANI17), 1 more UART channel, and SSI interface. | Requires larger PCB footprint; suited for designs needing expanded analog I/O or daisy-chain SPI peripherals. | Select when additional analog channels or SSI-based sensor networks are required; not pin-compatible with R5F1054AGNA#20. |
| R5F1057AGNA#U0 | 24-pin HWQFN; adds 3 analog inputs (ANI19/ANI20/ANI21), 2 more key return lines (KR5–KR7), and second CSI channel. | Targets higher-complexity control systems with multi-sensor fusion and expanded keypad matrix. | Choose for enhanced I/O density and extended key-scan capability; shares same 3×3 mm QFN footprint but has different pinout. |
Compared with R5F1056AGSP#30 and R5F1057AGNA#U0, the R5F1054AGNA#20 offers optimal balance of industrial temperature range, ultra-low-power operation, and compact 16-pin HWQFN packaging - making it ideal for space-constrained, battery-sensitive, or thermally demanding embedded control applications where full I/O expansion is unnecessary.
Availability
R5F1054AGNA#20 is available at Aetrix Electronics and suitable for industrial motor control, smart appliance UI panels, and battery-powered sensor nodes requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F1054AGNA#20 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 applications.
The RL78/G11 product line delivers true low-power 16-bit MCU performance for cost-sensitive industrial and consumer control systems - emphasizing energy efficiency, integrated analog peripherals, and simplified development with scalable pin-compatible variants.
FAQ
What is the maximum operating frequency and performance of the R5F1054AGNA#20?
The R5F1054AGNA#20 operates at up to 24 MHz using its high-speed on-chip oscillator, delivering 33 DMIPS of processing performance. Its minimum instruction execution time is 0.04167 μs at 24 MHz, and it supports multiple clock sources including crystal (X1/X2), external clock (EXCLK), and three internal oscillators - enabling flexible timing architecture design without external crystals in many applications.
Does the R5F1054AGNA#20 support in-system programming and secure firmware updates?
Yes, the R5F1054AGNA#20 includes on-chip debug functionality and self-programming capability with boot swap and flash shield window features. These allow secure in-field firmware updates and protection against unauthorized reprogramming. The data flash memory supports 1,000,000 write cycles at VDD = 1.8–5.5 V, enabling reliable parameter storage and field calibration in deployed R5F1054AGNA#20 systems.
How does the R5F1054AGNA#20 achieve ultra-low-power operation in industrial environments?
The R5F1054AGNA#20 achieves ultra-low-power operation through multiple low-power modes: HALT (58.3 μA/MHz), STOP (0.64 μA with only LVD active), and SNOOZE mode for background flash operations. Its industrial-grade -40°C to +105°C operating range, combined with on-chip voltage detector (LVD) with 14 selectable levels and power-on-reset circuit, ensures reliable startup and brown-out recovery across harsh thermal and supply-voltage conditions.
What analog peripherals are integrated into the R5F1054AGNA#20 and how are they configured?
The R5F1054AGNA#20 integrates an 8-channel 10-bit A/D converter with internal reference (1.45 V) and temperature sensor, a 2-channel 8-bit D/A converter (ANO1 and comparator output), two comparators with window mode, and one programmable gain amplifier (PGA). Analog inputs (ANI0–ANI22) and references (AVREFP/AVREFM) are assigned to specific pins like P20–P23 and P33, and configuration is performed via dedicated peripheral registers - no external op-amps or reference ICs required for basic analog signal chains.
Is the R5F1054AGNA#20 pin-compatible with other RL78/G11 variants such as the R5F1056A or R5F1057A?
No, the R5F1054AGNA#20 is not pin-compatible with R5F1056A (20-pin LSSOP) or R5F1057A (24-pin HWQFN), despite sharing the same RL78/G11 core and peripheral set. Each variant uses distinct pin counts and layouts: R5F1054AGNA#20 uses a 16-pin HWQFN package with specific pin assignments documented in Figure 1.3.2 of the datasheet, while R5F1056A and R5F1057A have different pinouts and additional I/O functions mapped to extra pins.
R5F1054AGNA#20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 16-WFQFN Exposed Pad
- Series:
- RL78/G11
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- Programmable:
- -
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 24MHz
- Connectivity:
- CSI, I2C, UART/USART
- Peripherals:
- LVD, POR, WDT
- Number of I/O:
- 13
- Program Memory Size:
- 16KB (16K 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; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F1054AGNA#20 FAQ
1.How can I place an order for R5F1054AGNA#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F1054AGNA#20 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 R5F1054AGNA#20 reliable?
The price and inventory of R5F1054AGNA#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F1054AGNA#20 is usually 5 days.
3.What payment methods are accepted for R5F1054AGNA#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F1054AGNA#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F1054AGNA#20?
R5F1054AGNA#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F1054AGNA#20 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 R5F1054AGNA#20?
For technical support, including R5F1054AGNA#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F1054AGNA#20 requirements.
6.How does Aetrix verify that R5F1054AGNA#20 is sourced from the original manufacturer or authorized distributors?
All R5F1054AGNA#20 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 R5F1054AGNA#20 meets industry standards.
7.What is the process for return or replacement of R5F1054AGNA#20?
All R5F1054AGNA#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F1054AGNA#20, 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 R5F1054AGNA#20 part is unused and in its original packaging.
Return procedure for R5F1054AGNA#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F1054AGNA#20 Tags
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