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Renesas R5F100CAALA#U0
- Part No.:
- R5F100CAALA#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 36-WFLGA
- Datasheet:
-
R5F100CAALA#U0.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 36WFLGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,332
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Product details
Overview
R5F100CAALA#U0 from Renesas is a 36-pin WFLGA-packaged RL78/G13 16-bit MCU with 16 KB flash, 2 KB RAM, and 4 KB data flash, operating from 1.6–5.5 V at -40°C to +85°C. It delivers 41 DMIPS at 32 MHz, features ultra-low power consumption (66 μA/MHz active, 0.57 μA RTC+LVD), and integrates 10-bit ADC (6 channels), RTC, UART, I²C, and 16-bit timers for embedded control in space-constrained consumer applications.
For engineers reviewing the R5F100CAALA#U0 datasheet, R5F100CAALA#U0 pinout, R5F100CAALA#U0 application, or R5F100CAALA#U0 equivalent, key selection criteria include its 36-pin WFLGA (4 × 4 mm, 0.5-mm pitch) footprint, integrated data flash with 1M-cycle rewrite endurance, real-time clock with calendar/alarm, and support for STOP/HALT/SNOOZE low-power modes in battery-powered systems.
Technical Context
The R5F100CAALA#U0 implements the RL78 CPU core with CISC architecture and 3-stage pipeline, enabling instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz subsystem clock). Its memory subsystem includes 16 KB code flash (1 KB block size), 4 KB data flash supporting background operation (BGO), and 2 KB on-chip RAM.
Peripherals include a 10-bit A/D converter with 6 analog inputs and internal 1.45 V reference, dual UART/LIN interfaces, up to 10-channel simplified I²C, 2–8-channel CSI, 8–16-channel 16-bit timers, and a calendar-capable real-time clock with alarm and clock correction-configured via dedicated SFRs and interrupt vectors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Max Operating Frequency | 32 MHz - delivers 41 DMIPS for deterministic real-time control loops |
| Flash Memory | 16 KB code flash with 1 KB erase blocks and security lock against unauthorized rewriting |
| Data Flash | 4 KB with background operation (BGO) and 1,000,000 write cycles at VDD = 1.8–5.5 V |
| Power Consumption | 66 μA/MHz active; 0.57 μA in STOP mode with RTC + LVD enabled |
| Analog Peripherals | 10-bit ADC with 6 input channels, internal 1.45 V reference, and temperature sensor |
| Package & Pin Count | 36-pin WFLGA (4 × 4 mm, 0.5-mm pitch) - surface-mount compatible with fine-pitch PCB assembly |
Pinout & Package
Package: 36-pin WFLGA (4 × 4 mm, 0.5-mm pitch), compliant with JEDEC MO-220, suitable for compact consumer electronics layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains support stable operation across 1.6–5.5 V; decoupling required per datasheet layout guidelines |
| P00–P07, P10–P17, P20–P27, P30–P33 | General-purpose I/O ports | 36 total I/O pins; configurable as N-ch open-drain (6 V tolerant), TTL input, or with on-chip pull-up resistors |
| P20/ANI0/AVREFP | Analog input / ADC reference positive | Primary ADC channel 0 input and selectable AVREFP source for precision analog measurements |
| P21/ANI1/AVREFM | Analog input / ADC reference negative | ADC channel 1 input and AVREFM reference point - enables ratiometric or differential ADC configurations |
| P10/SCK00/SCL00 | SPI clock / I²C clock | Shared pin supports master/slave SPI communication or I²C bus clock signaling |
| P11/SI00/RxD0/TOOLRxD/SDA00 | SPI input / UART receive / debug RX / I²C data | Multi-function pin enabling serial programming, host interface, and debug communications without external muxing |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power STOP mode | 0.57 μA current draw with RTC and LVD active - extends battery life in always-on sensing nodes |
| Self-programmable flash | On-chip boot swap and flash shield window enable secure firmware updates without external programmer |
| Background data flash rewrite | Execute code from program memory while writing to data flash - eliminates runtime interruption during logging |
| Real-time clock with calendar | 99-year calendar, alarm, and clock correction - provides accurate timekeeping for scheduling and timestamping |
| Different-potential interface | I/O supports direct connection to 1.8 V, 2.5 V, or 3 V peripherals - simplifies mixed-voltage system design |
Applications
| Smart Home Sensor Node | Portable Medical Monitor |
|---|---|
|
Use Scenario: Battery-powered temperature/humidity sensor with BLE gateway interface and local data logging. IC Role / Device Role / Timing Role: Main system controller managing ADC sampling, RTC-timed data storage to data flash, and UART-to-BLE bridge timing. Use Value: 0.57 μA STOP mode extends 2-AA battery life beyond 2 years; BGO enables continuous logging without interrupting sensor polling. |
Use Scenario: Handheld pulse oximeter with OLED display, button interface, and USB charging status monitoring. IC Role / Device Role / Timing Role: Central MCU handling analog front-end signal conditioning, button debouncing with key-interrupt, and display refresh timing via 16-bit timer PWM. Use Value: On-chip 1.45 V reference ensures consistent ADC accuracy across battery voltage drop; 36-pin WFLGA fits tight handheld form factor. |
| Industrial Remote I/O Module | Appliance Control Panel |
|
Use Scenario: DIN-rail mounted 4–20 mA loop-powered transmitter with HART modulation capability. IC Role / Device Role / Timing Role: Signal processor executing HART FSK modulation/demodulation using UART with precise timing control and ADC for loop current measurement. Use Value: 32 MHz operation ensures sufficient margin for HART symbol timing compliance; 16 KB flash accommodates full HART protocol stack. |
Use Scenario: Microwave oven control board with touch-sensitive overlay, relay drivers, and audible buzzer feedback. IC Role / Device Role / Timing Role: System manager coordinating touch scan, relay sequencing, buzzer tone generation via on-chip clock output controller, and safety watchdog supervision. Use Value: Integrated buzzer output controller eliminates external driver IC; HALT mode reduces standby power during idle cook cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100CCALA#U0 | Same package and pinout; 32 KB flash, 2 KB RAM, 4 KB data flash | Higher code density for complex UI or communication stacks; identical peripheral set and power profile | Select when firmware exceeds 16 KB or future feature expansion is anticipated |
| R5F101CAALA#U0 | Same package and pinout; no data flash (0 KB), 16 KB flash, 2 KB RAM | Lacks background data logging capability; lower cost where non-volatile parameter storage is handled externally | Choose for cost-sensitive designs without local data retention requirements |
Compared with R5F100CAALA#U0, R5F100CCALA#U0 offers double flash capacity for enhanced firmware scalability without layout change, while R5F101CAALA#U0 removes data flash to reduce unit cost where EEPROM or external flash suffices for configuration storage.
Availability
R5F100CAALA#U0 is available at Aetrix Electronics and suitable for smart home sensors, portable medical monitors, industrial remote I/O modules, and appliance control panels requiring stable component supply and long-term production continuity.
Supply support for R5F100CAALA#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/G13 family targets cost-sensitive, ultra-low-power general-purpose embedded applications - balancing performance, integration, and energy efficiency for battery-operated and space-constrained devices.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F100CAALA#U0?
The R5F100CAALA#U0 operates at up to 32 MHz, delivering 41 DMIPS of processing performance. This speed is achieved using the high-speed on-chip oscillator with ±1.0% accuracy across 1.8–5.5 V and -20°C to +85°C. The RL78 CPU core's 3-stage pipeline enables deterministic execution critical for real-time control tasks in the R5F100CAALA#U0.
Does the R5F100CAALA#U0 support in-system programming and secure firmware updates?
Yes, the R5F100CAALA#U0 supports full in-system programming via on-chip debug functionality and self-programming features including boot swap and flash shield window protection. These capabilities allow field firmware updates while preventing unauthorized access to code flash - a core security mechanism implemented directly in the R5F100CAALA#U0's flash controller.
What low-power modes are available on the R5F100CAALA#U0, and what is the lowest achievable current draw?
The R5F100CAALA#U0 supports HALT, STOP, and SNOOZE modes. In STOP mode with only RTC and LVD active, it draws just 0.57 μA - the lowest operational current. This mode retains RAM content and allows wake-up via external interrupt or RTC alarm, making it ideal for long-duration sleep periods in battery-powered R5F100CAALA#U0 deployments.
Can the R5F100CAALA#U0 perform analog-to-digital conversion while executing other tasks?
Yes, the R5F100CAALA#U0's 10-bit ADC supports hardware-triggered conversions and interrupt-driven completion notification, enabling concurrent analog acquisition and foreground processing. With up to 6 input channels and an internal 1.45 V reference, it delivers repeatable measurements without CPU intervention - a key capability for responsive sensor management in the R5F100CAALA#U0.
Is the R5F100CAALA#U0 pin-compatible with other RL78/G13 variants in the same package?
Yes, all RL78/G13 devices in the 36-pin WFLGA package - including R5F100CAALA#U0, R5F100CCALA#U0, and R5F101CAALA#U0 - share identical pinouts and electrical characteristics. This allows direct substitution within the same footprint for capacity scaling or feature trade-offs, provided software accounts for differences in flash size or data flash presence in the R5F100CAALA#U0 family.
R5F100CAALA#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 36-WFLGA
- Series:
- RL78/G13
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- Programmable:
- Not Verified
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CSI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 26
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 8x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F100CAALA#U0 FAQ
1.How can I place an order for R5F100CAALA#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100CAALA#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 R5F100CAALA#U0 reliable?
The price and inventory of R5F100CAALA#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100CAALA#U0 is usually 5 days.
3.What payment methods are accepted for R5F100CAALA#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100CAALA#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100CAALA#U0?
R5F100CAALA#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100CAALA#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 R5F100CAALA#U0?
For technical support, including R5F100CAALA#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100CAALA#U0 requirements.
6.How does Aetrix verify that R5F100CAALA#U0 is sourced from the original manufacturer or authorized distributors?
All R5F100CAALA#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 R5F100CAALA#U0 meets industry standards.
7.What is the process for return or replacement of R5F100CAALA#U0?
All R5F100CAALA#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100CAALA#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 R5F100CAALA#U0 part is unused and in its original packaging.
Return procedure for R5F100CAALA#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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