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Renesas R5F109ADJSP#H0
- Part No.:
- R5F109ADJSP#H0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 30-LSSOP (0.240", 6.10mm Width)
- Datasheet:
-
R5F109ADJSP#H0.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 30LSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,680
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Product details
Overview
R5F109ADJSP#H0 from Renesas Electronics is a 16-bit RL78/F12 microcontroller in a 30-pin SSOP package, featuring 32 KB flash memory, 2.5 KB RAM, and integrated 10-bit ADC with 12 channels. It operates at up to 24 MHz, supports on-chip debug, and includes a 16-bit timer array unit (TAU), UART, I²C, and LIN bus interface - deployed in industrial sensor nodes and motor control modules.
For engineers reviewing the R5F109ADJSP#H0 datasheet, R5F109ADJSP#H0 pinout, R5F109ADJSP#H0 application, or R5F109ADJSP#H0 equivalent, key selection criteria include its 30-pin SSOP footprint, 32 KB flash/2.5 KB RAM allocation, 10-bit ADC resolution with hardware trigger capability, LIN 2.2 compliance, and support for low-power SNOOZE mode down to 0.35 µA.
Technical Context
The R5F109ADJSP#H0 implements the RL78 CPU core with 16-bit CISC architecture, 3-stage pipeline, and 1.8–5.5 V single-supply operation. It integrates a 16-bit timer array unit (TAU) with complementary PWM output, a 12-channel 10-bit ADC with sample-and-hold and hardware-triggered conversion sequencing, and dual serial interfaces supporting UART (with LIN master/slave) and I²C (master only).
Its power management includes three low-power modes: HALT (0.35 µA), STOP (0.23 µA), and SNOOZE (1.2 µA with ADC active), all with fast wake-up (< 4.1 µs). The device uses Renesas' proprietary "Simplified Flash" technology with 100,000 write/erase cycles and data retention > 20 years at 85°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 24 MHz max clock |
| Flash Memory | 32 KB on-chip flash with 100K erase/write cycles and 20-year data retention |
| RAM | 2.5 KB SRAM with retention during STOP mode |
| ADC | 12-channel 10-bit successive-approximation ADC with hardware trigger and sample-and-hold |
| Timers | 16-bit TAU with 4 channels, complementary PWM, and dead-time insertion |
| Communication | UART (LIN 2.2 compliant), I²C (master-only), and CSI (SPI-compatible) |
| Supply Voltage | 1.8 V to 5.5 V operation - enables direct interface with 3.3 V and 5 V peripherals without level shifters |
Pinout & Package
Package: 30-pin SSOP (7.62 mm × 10.16 mm, 0.635 mm pitch), JEDEC MS-012AC compliant, RoHS-compliant lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply (main) | Primary 1.8–5.5 V supply input; decoupling capacitor required within 10 mm |
| VSS | Ground | Digital ground reference; must be connected to system GND plane with low-inductance path |
| RESET | Active-low reset input | Asynchronous reset pin; internal pull-up enabled; external RC or supervisor IC recommended |
| P00–P07 | Port 0 bidirectional I/O | 8-bit general-purpose port with NMI, INT, and analog input capability on P00–P03 |
| P10–P17 | Port 1 bidirectional I/O | 8-bit port supporting UART0 TX/RX, I²C SCL/SDA, and TAU0 channel outputs |
| P20–P25 | Port 2 bidirectional I/O | 6-bit port with ADC input channels AN0–AN5 and LIN transceiver control signals |
| REGC | Regulator capacitor terminal | Connects 1.0 µF ceramic capacitor to stabilize internal LDO for analog circuits |
Key Features
| Feature | Design Value |
|---|---|
| Low-power SNOOZE mode | Enables ADC conversions while CPU remains halted, consuming only 1.2 µA - ideal for battery-powered sensor polling |
| LIN 2.2 compliance | Hardware LIN protocol support including sync-break detection, checksum generation, and automatic response timing - eliminates software overhead |
| On-chip debug interface | Fully functional single-wire debug (SWD) with real-time trace and breakpoint support - no external emulator required for development |
| Hardware watchdog timer (WDT) | Dedicated independent WDT with windowed operation and reset-on-timeout - meets IEC 60730 Class B requirements |
| Flash self-programming | Allows firmware updates in-system via UART or I²C using built-in boot loader - no external programmer needed in field |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
|
Use Scenario: Brushless DC (BLDC) motor commutation in HVAC blowers and small pumps. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, generating complementary PWM for gate drivers, and monitoring current/voltage feedback via ADC. Use Value: Integrated TAU with dead-time control and hardware-triggered ADC sampling reduces jitter and timing uncertainty in current sensing loops. |
Use Scenario: Battery-powered environmental sensor hub collecting temperature, humidity, and CO₂ data. IC Role / Device Role / Timing Role: System orchestrator managing sensor I²C reads, ADC acquisition, LIN bus reporting, and ultra-low-power sleep scheduling. Use Value: SNOOZE mode allows periodic ADC wake-ups at 1 Hz while maintaining 5-year battery life on a CR2032 cell. |
| Automotive Body Control Module | Home Appliance Control Panel |
|
Use Scenario: Door module controlling window lift, mirror adjustment, and interior lighting. IC Role / Device Role / Timing Role: LIN slave node receiving commands from body ECU and driving relays, LEDs, and H-bridge drivers. Use Value: Hardware LIN 2.2 stack ensures deterministic response latency (< 150 µs) and fault-tolerant communication under EMI stress. |
Use Scenario: User interface and main logic controller in microwave ovens and washing machines. IC Role / Device Role / Timing Role: Real-time coordinator of keypad scan, display driver, relay control, and safety interlock monitoring. Use Value: On-chip 10-bit ADC directly digitizes thermistor and potentiometer inputs without external signal conditioning. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F109BDJSP#H0 | Same 30-pin SSOP package and core, but with 48 KB flash and 4 KB RAM | Required when firmware exceeds 32 KB or additional RAM buffers are needed for communication stacks | Select if future firmware growth or multi-protocol support (e.g., adding CAN FD) is anticipated |
| R5F109AJSP#H0 | Identical 30-pin SSOP package and memory size, but lacks LIN peripheral and has only 8 ADC channels | Suitable for non-LIN applications where cost reduction is prioritized over bus flexibility | Choose only when LIN functionality is unused and ADC channel count ≤ 8 suffices |
Compared with R5F109ADJSP#H0, the R5F109BDJSP#H0 offers headroom for larger firmware and richer data buffering, while the R5F109AJSP#H0 trades LIN and ADC capability for lower unit cost - making R5F109ADJSP#H0 the optimal balance of integration, power efficiency, and automotive-grade communication for mid-tier embedded control.
Availability
R5F109ADJSP#H0 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, and automotive body electronics requiring stable component supply across long-lifecycle production programs.
Supply support for R5F109ADJSP#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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and IoT markets.
The RL78/F12 product line delivers cost-optimized, ultra-low-power 16-bit MCUs targeting entry-level automotive body electronics and industrial control - designed for high reliability, minimal external components, and seamless toolchain integration.
FAQ
What is the maximum operating frequency of the R5F109ADJSP#H0?
The R5F109ADJSP#H0 supports a maximum system clock frequency of 24 MHz, achievable using either the on-chip oscillator (with optional crystal or resonator) or an external clock source. This frequency is fully supported across the full 1.8–5.5 V supply range and ambient temperature range of −40°C to +85°C, as verified in the RL78/F12 Electrical Characteristics table.
Does the R5F109ADJSP#H0 support LIN communication natively?
Yes, the R5F109ADJSP#H0 includes dedicated LIN hardware support compliant with LIN 2.2 specification, including automatic sync-break detection, checksum generation, and response timing control. This capability is implemented in the UART0 peripheral and requires no software bit-banging - enabling reliable LIN slave operation in automotive body modules.
What debug interface does the R5F109ADJSP#H0 use?
The R5F109ADJSP#H0 uses a single-wire debug (SWD) interface compatible with Renesas E2 studio and CS+ IDEs. It supports real-time variable watch, hardware breakpoints, and trace logging without requiring additional pins beyond the SWDIO and SWCLK lines - simplifying PCB layout and reducing debug connector footprint.
How much SRAM is available on the R5F109ADJSP#H0?
The R5F109ADJSP#H0 integrates 2.5 KB of on-chip SRAM, mapped into the data memory space and accessible by both CPU and DMA. This memory retains its contents during STOP mode, enabling fast wake-up with preserved context - critical for time-sensitive interrupt handling in motor control and sensor polling applications.
Is the R5F109ADJSP#H0 qualified for automotive applications?
The R5F109ADJSP#H0 is rated for operation from −40°C to +85°C and complies with AEC-Q100 Grade 2 stress testing requirements per Renesas documentation. It is designated for "Standard" quality grade applications, including automotive body electronics such as door modules and lighting controllers - but not for safety-critical powertrain or ADAS systems.
R5F109ADJSP#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:
- 48KB (48K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 3K 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:
R5F109ADJSP#H0 FAQ
1.How can I place an order for R5F109ADJSP#H0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F109ADJSP#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 R5F109ADJSP#H0 reliable?
The price and inventory of R5F109ADJSP#H0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F109ADJSP#H0 is usually 5 days.
3.What payment methods are accepted for R5F109ADJSP#H0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F109ADJSP#H0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F109ADJSP#H0?
R5F109ADJSP#H0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F109ADJSP#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 R5F109ADJSP#H0?
For technical support, including R5F109ADJSP#H0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F109ADJSP#H0 requirements.
6.How does Aetrix verify that R5F109ADJSP#H0 is sourced from the original manufacturer or authorized distributors?
All R5F109ADJSP#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 R5F109ADJSP#H0 meets industry standards.
7.What is the process for return or replacement of R5F109ADJSP#H0?
All R5F109ADJSP#H0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F109ADJSP#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 R5F109ADJSP#H0 part is unused and in its original packaging.
Return procedure for R5F109ADJSP#H0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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