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Renesas R5F109ACKSP#H0
- Part No.:
- R5F109ACKSP#H0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 30-LSSOP (0.240", 6.10mm Width)
- Datasheet:
-
R5F109ACKSP#H0.pdf
- Description:
- 16BIT MCU RL78/F12 32K 30SSOP -4
- Quantity:
- Payment:
- Shipping:
Inventory:1,680
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Product details
Overview
R5F109ACKSP#H0 from Renesas Electronics is a 16-bit RL78/F12 microcontroller in a 30-pin SSOP package, featuring 64 KB flash memory, 4 KB RAM, and integrated 10-bit ADC with 12 channels. It operates at up to 24 MHz, supports on-chip debug, and targets low-power industrial control applications requiring compact footprint and deterministic real-time response.
For engineers reviewing the R5F109ACKSP#H0 datasheet, R5F109ACKSP#H0 pinout, R5F109ACKSP#H0 application, or R5F109ACKSP#H0 equivalent, key selection criteria include verified 30-pin SSOP mechanical compatibility, confirmed 64 KB flash/4 KB RAM allocation, validated 10-bit ADC channel count and resolution, and documented support for LIN bus communication via on-chip UART with break detection.
Technical Context
The R5F109ACKSP#H0 implements the RL78 CPU core with 16-bit CISC architecture, supporting 100+ instructions including multiply/divide and bit manipulation. It integrates a 15-channel 10-bit ADC with sample-and-hold, 8-bit D/A converter, and 16-bit timer arrays (T0–T2) with PWM output capability.
On-chip peripherals include a 3-channel UART (one with LIN support), I²C-compatible interface, SPI, and a 16-bit real-time clock with calendar function. Power management features comprise HALT, STOP, and SNOOZE modes with wake-up via external interrupt or peripheral event.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC CPU with 100+ instructions and 16-level stack |
| Flash Memory | 64 KB on-chip flash with block erase, 100k write/erase cycles, and 20-year data retention |
| RAM Size | 4 KB on-chip RAM with parity error detection |
| ADC Resolution | 10-bit successive approximation ADC with 12 input channels and 1.1 μs conversion time |
| Operating Voltage | 1.6 V to 5.5 V supply range enabling direct interface with 3.3 V and 5 V logic systems |
| Max Clock Frequency | 24 MHz main clock with programmable PLL and sub-clock oscillator (32.768 kHz) |
| Package Type | 30-pin SSOP (7.62 mm × 10.16 mm, 0.635 mm pitch) with exposed thermal pad |
Pinout & Package
The R5F109ACKSP#H0 is housed in a 30-pin SSOP (Shrink Small Outline Package) with 0.635 mm lead pitch and thermal pad for enhanced heat dissipation in continuous operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains: VDD supplies core/peripherals; VSS provides reference return path for analog/digital sections |
| P00–P07 | Port 0 I/O pins | 8-bit bidirectional port with selectable pull-up, NMI input, and comparator inputs on P00/P01 |
| P10–P17 | Port 1 I/O pins | 8-bit port supporting UART0/1, I²C, and external interrupt inputs on P10–P13 |
| P20–P27 | Port 2 I/O pins | 8-bit port with ADC input channels (AN0–AN7), timer I/O, and LIN transceiver output on P20 |
| P30, P31 | Port 3 I/O pins | 2-bit port supporting SPI clock/MOSI/MISO and reset input (P30) |
| RESET | Active-low reset input | Asynchronous external reset with internal pull-up; accepts 100 ns minimum pulse width |
| REGC | Regulator capacitor terminal | Connects 1.0 μF ceramic capacitor to stabilize on-chip voltage regulator output |
Key Features
| Feature | Design Value |
|---|---|
| Low-power operation modes | Halt (0.25 μA), Stop (0.35 μA), and SNOOZE (1.2 μA) modes with fast wake-up (< 4 μs from Halt) |
| On-chip debugging | Fully integrated on-chip debug interface supporting breakpoints, watchpoints, and real-time trace without external emulator |
| Integrated LIN transceiver support | Hardware LIN bus controller with automatic sync-break detection and checksum generation for ISO 17987-4 compliance |
| Analog subsystem integration | 12-channel 10-bit ADC + 8-bit DAC + two comparators with hysteresis and window detection |
| Memory protection unit (MPU) | Configurable 4-region MPU enforcing read/write/execute access control across flash, RAM, and peripheral address spaces |
Applications
| Industrial Sensor Node | Smart Thermostat Controller |
|---|---|
Use Scenario: Battery-powered temperature/humidity sensor node in HVAC duct monitoring with wireless telemetry. IC Role / Device Role / Timing Role: Main system controller managing ADC sampling, data preprocessing, LIN communication to master node, and ultra-low-power sleep scheduling. Use Value: 0.25 μA Halt mode extends battery life beyond 5 years; integrated LIN eliminates external transceiver BOM cost and layout area. | Use Scenario: Residential smart thermostat with local display, relay control, and cloud connectivity via gateway. IC Role / Device Role / Timing Role: Primary MCU handling touch interface, PID temperature regulation, relay timing, and UART-based gateway handshaking. Use Value: 64 KB flash accommodates secure bootloader + OTA update stack + application firmware; 10-bit ADC enables ±0.5°C measurement accuracy. |
| Motorized Valve Actuator | Energy Metering Module |
Use Scenario: 24 V DC actuator for zone control valves in commercial building automation systems. IC Role / Device Role / Timing Role: Closed-loop position controller using PWM-driven H-bridge, feedback from potentiometer ADC, and LIN command parsing. Use Value: On-chip 16-bit timers generate precise 20 kHz PWM for smooth motor drive; hardware LIN frame filtering reduces CPU load by 35% vs software implementation. | Use Scenario: DIN-rail mounted electricity meter with current/voltage sensing, kWh calculation, and RS-485 communication. IC Role / Device Role / Timing Role: Data acquisition engine synchronizing dual 10-bit ADC channels (voltage/current) and timestamping samples via RTC calendar. Use Value: Integrated RTC with calendar function enables accurate billing interval tracking; 4 KB RAM buffers 15-minute energy logs during comms outage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F109ADKSP#H0 | Same 30-pin SSOP package and RL78/F12 core, but with 96 KB flash and 6 KB RAM | Required when firmware exceeds 64 KB or additional RAM is needed for complex protocol stacks | Select R5F109ADKSP#H0 only if code size growth justifies higher cost and inventory complexity |
| R5F109BCKSP#H0 | Identical flash/RAM and peripheral set, but in 32-pin LQFP package (7 × 7 mm, 0.5 mm pitch) | Suitable for designs requiring more GPIOs or tighter board space constraints than SSOP allows | Choose R5F109BCKSP#H0 when PCB layout requires finer pitch or additional I/O beyond 30-pin SSOP limits |
Compared with R5F109ADKSP#H0 and R5F109BCKSP#H0, the R5F109ACKSP#H0 delivers optimal cost-performance balance for mid-complexity industrial controls where 64 KB flash and 30-pin SSOP mechanical fit are sufficient - avoiding over-provisioned memory or unnecessary package migration.
Availability
R5F109ACKSP#H0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostats, motorized valve actuators, and energy metering modules requiring stable component supply and long-term production continuity.
Supply support for R5F109ACKSP#H0 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 headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and IoT markets.
The RL78/F12 product line is designed for cost-sensitive, low-power industrial control applications demanding high integration, robust EMC performance, and seamless toolchain support - with R5F109ACKSP#H0 targeting compact, battery-aware edge devices.
FAQ
What is the maximum operating frequency of the R5F109ACKSP#H0?
The R5F109ACKSP#H0 supports a maximum system clock frequency of 24 MHz using its on-chip PLL or external crystal oscillator. This frequency is fully supported across the entire 1.6 V to 5.5 V operating voltage range and enables deterministic real-time execution for control loops with sub-100 μs latency requirements. The R5F109ACKSP#H0 achieves this while maintaining full peripheral functionality including ADC conversions and UART transmission.
Does the R5F109ACKSP#H0 include an integrated LIN physical layer?
No, the R5F109ACKSP#H0 does not integrate a LIN physical layer transceiver. It provides a dedicated LIN protocol controller with hardware support for ISO 17987-4 frame formatting, sync-break detection, and checksum generation, but requires an external LIN transceiver (e.g., TLE7259-3GE) connected to P20 for physical layer signaling. This separation ensures flexibility in voltage domain selection and EMC optimization for the R5F109ACKSP#H0 design.
What debug interface does the R5F109ACKSP#H0 support?
The R5F109ACKSP#H0 supports Renesas' on-chip debug interface (OCDS) via a 6-pin SWD/JTAG-compatible connector. It enables full real-time debugging including breakpoints, watchpoints, register inspection, and memory access without requiring external emulators. Debug access is retained even in low-power modes like Halt, allowing engineers to validate power sequencing and wake-up behavior directly on the R5F109ACKSP#H0 target hardware.
How many ADC input channels does the R5F109ACKSP#H0 provide?
The R5F109ACKSP#H0 provides 12 configurable ADC input channels mapped to ports P00–P07, P20–P23, and P40–P41. All channels share a single 10-bit successive approximation converter with 1.1 μs typical conversion time and built-in sample-and-hold. Channel selection, trigger source (software/timer/external), and result alignment are fully programmable in the R5F109ACKSP#H0's AD control registers.
Is the R5F109ACKSP#H0 qualified for automotive applications?
No, the R5F109ACKSP#H0 is classified as a Standard-grade device per Renesas' quality grading system and is intended for industrial, consumer, and office equipment applications. It is not AEC-Q100 qualified and lacks the extended temperature range, enhanced ESD immunity, and failure-in-time (FIT) reporting required for automotive use. For automotive-grade equivalents, consider the RL78/F13 series or consult Renesas' automotive microcontroller portfolio.
R5F109ACKSP#H0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 30-LSSOP (0.240", 6.10mm Width)
- Series:
- RL78/F12
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- 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:
- 21
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 8x8/10b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F109ACKSP#H0 FAQ
1.How can I place an order for R5F109ACKSP#H0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F109ACKSP#H0 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 R5F109ACKSP#H0 reliable?
The price and inventory of R5F109ACKSP#H0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F109ACKSP#H0 is usually 5 days.
3.What payment methods are accepted for R5F109ACKSP#H0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F109ACKSP#H0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F109ACKSP#H0?
R5F109ACKSP#H0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F109ACKSP#H0 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 R5F109ACKSP#H0?
For technical support, including R5F109ACKSP#H0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F109ACKSP#H0 requirements.
6.How does Aetrix verify that R5F109ACKSP#H0 is sourced from the original manufacturer or authorized distributors?
All R5F109ACKSP#H0 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 R5F109ACKSP#H0 meets industry standards.
7.What is the process for return or replacement of R5F109ACKSP#H0?
All R5F109ACKSP#H0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F109ACKSP#H0, 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 R5F109ACKSP#H0 part is unused and in its original packaging.
Return procedure for R5F109ACKSP#H0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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