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Renesas DF2239FA20IV
- Part No.:
- DF2239FA20IV
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-BFQFP
- Datasheet:
-
DF2239FA20IV.pdf
- Description:
- IC MCU 16BIT 384KB FLASH 100QFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,384
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Product details
Overview
DF2239FA20IV from Renesas Electronics is a 16-bit flash-based microcontroller in the H8S/2239 Group, featuring an H8S/2000 CPU core, 256 KB on-chip flash memory, 16 KB RAM, and integrated peripherals including six 16-bit timer pulse units (TPU), four 8-bit timers (TMR), dual watchdog timers (WDT), four serial communication interfaces (SCI), two I²C buses, two D/A converters, and an 8-channel 10-bit A/D converter. It operates at up to 33 MHz and targets industrial control and embedded instrumentation.
For engineers reviewing the DF2239FA20IV datasheet, DF2239FA20IV pinout, DF2239FA20IV application, or DF2239FA20IV equivalent, key selection considerations include its TPU-based motor timing capability, dual-WDT fault tolerance, flash reprogrammability in-system, and support for IEBus™ controller (in compatible variants), making it suitable for real-time motion control and factory automation systems where deterministic peripheral response and field-upgradable firmware are required.
Technical Context
The DF2239FA20IV implements the H8S/2000 32-bit internal architecture with 16-bit external bus interface, supporting both high-speed mode (up to 33 MHz) and multiple low-power modes (subactive, sleep, stop). Its on-chip bus controller (BSC) provides 16-bit data bus width and configurable wait-state insertion via WAITE bit and WAIT pin.
Peripheral integration includes a Data Transfer Controller (DTC) for autonomous memory-to-peripheral transfers without CPU intervention, dual PC break controllers (PBC) for hardware breakpoints, and full SCI support for UART, LIN, and RS-485 protocols - all mapped to dedicated I/O ports with programmable drive strength and pull-up options.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | H8S/2000 32-bit internal architecture, 16-bit external data bus - enables efficient C-language execution while maintaining legacy code compatibility and compact memory footprint. |
| Flash Memory | 256 KB on-chip flash (F-ZTAT™), 100,000 write/erase cycles - supports in-application programming (IAP) and field firmware updates without external programmers. |
| RAM | 16 KB on-chip SRAM - sufficient for real-time task stacks, interrupt service routines, and buffered communication protocols. |
| Max Clock Frequency | 33 MHz - delivers 33 MIPS performance for closed-loop control algorithms with sub-µs interrupt latency. |
| A/D Converter | 8-channel, 10-bit successive approximation ADC with 1.2 µs conversion time - suitable for analog sensor monitoring (e.g., temperature, pressure, current) in industrial environments. |
| Timer Resources | Six 16-bit TPU channels + four 8-bit TMR units + dual WDT - enables simultaneous PWM generation, input capture, quadrature decoding, and independent safety supervision. |
| Communication Interfaces | Four SCI modules (UART/LIN-capable), two I²C buses (master/slave), optional IEBus™ controller - supports multi-protocol device networking and sensor hub architectures. |
Pinout & Package
DF2239FA20IV is packaged in a 100-pin TFP-100BV (thin fine-pitch QFP, 14 mm × 14 mm, 0.5 mm pitch) with 79 user I/O pins, power/ground distribution across multiple VCC/VSS pairs, and dedicated reset, clock input (XIN/XOUT), and debug (MOD, RES#) pins. Pin functions are mode-configurable via on-chip mode registers.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| XIN / XOUT | Crystal oscillator input/output | Supports 1–20 MHz crystal or external clock source; internal oscillator circuit enables stable timing without external components in cost-sensitive designs. |
| RES# | Active-low reset input | Asynchronous, level-sensitive reset with internal pull-up; requires external RC or supervisor IC for power-on reset timing compliance. |
| MOD | Mode select input | Determines boot mode (flash, ROM, or test) at power-up; must be held high or low during reset to configure memory mapping and debug access. |
| PA0–PA3 | Port A general-purpose I/O | Configurable as GPIO or alternate functions (e.g., SCI0 transmit/receive, TPU0 channel); supports open-drain output and internal pull-up for bus interfacing. |
| PB0–PB7 | Port B general-purpose I/O | Primary SCI1/SCI2 pins and TPU1/TPU2 channels; supports high-drive capability (20 mA sink/source) for direct LED or relay driver interfacing. |
| VCC / VSS | Power supply and ground | Multiple dedicated VCC/VSS pairs per quadrant reduce noise coupling; 3.0–3.6 V operation ensures compatibility with industrial 3.3 V logic rails. |
Key Features
| Feature | Design Value |
|---|---|
| F-ZTAT™ Flash Technology | Zero-wait-state execution from flash at 33 MHz with single-cycle instruction fetch - eliminates performance penalty of non-volatile code storage. |
| Data Transfer Controller (DTC) | Hardware-accelerated memory-to-peripheral transfers without CPU overhead - reduces ISR load by >70% in high-bandwidth ADC or SCI streaming applications. |
| Dual Watchdog Timers (WDT) | Independent WDT1 (user-programmable) and WDT2 (dedicated system monitor) - enables layered safety architecture compliant with IEC 61508 SIL2 requirements. |
| Programmable Low-Power Modes | Subactive (CPU stopped, peripherals active), Sleep (CPU/peripherals stopped, RAM retained), Stop (all clocks halted) - extends battery life in portable instrumentation to >1 year on coin cell. |
| On-Chip Debug Support | FULL-DEBUG mode via MOD/RES# pins and background debugger interface - allows real-time register inspection, breakpoint setting, and flash programming without JTAG emulator. |
Applications
| Industrial PLC I/O Module | Motor Drive Control Unit |
|---|---|
|
Use Scenario: Compact remote I/O node collecting analog sensor data and driving digital outputs in distributed control systems. IC Role / Device Role / Timing Role: Central controller managing 8-channel A/D sampling, 4× SCI-based Modbus RTU communication, and 6-channel TPU-driven PWM outputs for valve actuation. Use Value: On-chip 256 KB flash stores dual firmware images for fail-safe field updates; dual WDT ensures recovery from communication lockups without manual reset. |
Use Scenario: Brushless DC (BLDC) motor commutation and speed regulation in HVAC blowers and industrial fans. IC Role / Device Role / Timing Role: Real-time executor of space-vector PWM using six TPU channels synchronized to rotor position feedback from Hall sensors. Use Value: Sub-µs TPU timing resolution enables <1% torque ripple; integrated DTC offloads ADC current-sense data to RAM without CPU cycle consumption. |
| Factory Automation Gateway | Embedded Test Equipment |
|
Use Scenario: Protocol translator bridging legacy IEBus™ field devices to Ethernet/IP networks in automotive assembly lines. IC Role / Device Role / Timing Role: Dedicated IEBus™ controller (enabled in HD64F2239 variant) handles physical layer timing and frame arbitration while SCI4 manages TCP/IP stack offload. Use Value: Single-chip solution eliminates external bus transceivers and reduces BOM count by 40% versus discrete MCU + IEBus ASIC approaches. |
Use Scenario: Portable handheld tester for calibrating pressure transducers and thermocouples in field service operations. IC Role / Device Role / Timing Role: Precision measurement engine performing 10-bit A/D conversions with auto-zero correction, storing results in RAM, and displaying via SPI-connected OLED. Use Value: 16 KB RAM buffers 1,000+ samples for post-processing; low-power stop mode draws <1 µA, enabling 200-hour battery runtime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F2238BDFP | Same H8S/2238B Group; 128 KB flash, 8 KB RAM, identical peripheral set except no IEBus™ controller and reduced TPU count (4 vs. 6). | Lower memory and timer resources limit use to simpler motion profiles or fewer concurrent communication channels. | Select when cost sensitivity outweighs need for dual WDT or full TPU complement; pin-compatible but requires firmware adaptation for TPU channel mapping. |
| R7F0C004M2DFB | Renesas RL78/G13-based; 32 KB flash, 4 KB RAM, 15 MHz max, integrated LIN/UART, lower power (0.52 µA stop mode), but no TPU or IEBus™. | Lacks deterministic PWM timing hardware; relies on software-timed GPIO for motor control - unsuitable for <10 µs jitter-critical BLDC commutation. | Choose for ultra-low-power sensor nodes where flash size and active current dominate over real-time peripheral precision. |
Compared with DF2239FA20IV, R5F2238BDFP offers identical architecture and pinout at lower memory density, while R7F0C004M2DFB trades deterministic timing hardware for superior energy efficiency - making DF2239FA20IV the only option among the three supporting sub-µs TPU-based motor control and dual-redundant WDT supervision.
Availability
DF2239FA20IV is available at Aetrix Electronics and suitable for industrial PLC I/O modules, motor drive control units, factory automation gateways, and embedded test equipment requiring stable component supply across extended production lifecycles.
Supply support for DF2239FA20IV 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 specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and infrastructure markets.
The H8S/2239 Group was designed for deterministic real-time control in factory automation and instrumentation, emphasizing peripheral-rich integration, flash reprogrammability, and robust EMI immunity in electrically noisy environments.
FAQ
What is the maximum operating frequency of the DF2239FA20IV?
The DF2239FA20IV operates at a maximum CPU clock frequency of 33 MHz in high-speed mode, delivering 33 MIPS performance. This frequency is achieved using an external crystal (1–20 MHz) with internal PLL multiplication or direct external clock input. The device maintains full functionality-including all peripherals and flash execution-at this rate, with timing margins verified per Renesas Electrical Characteristics specification REJ09B0054.
Does the DF2239FA20IV support in-system programming (ISP)?
Yes, the DF2239FA20IV supports in-system programming via its on-chip F-ZTAT™ flash memory. Using the built-in bootloader and standard SCI interface, firmware updates can be performed without removing the device from the PCB. The DF2239FA20IV requires no external programming voltage and tolerates up to 100,000 erase/write cycles, making it suitable for field-deployed equipment requiring remote maintenance.
How many timer channels does the DF2239FA20IV provide for PWM generation?
The DF2239FA20IV integrates six independent 16-bit Timer Pulse Unit (TPU) channels capable of generating precise PWM waveforms with 16-bit resolution and sub-microsecond timing accuracy. These channels support complementary output, dead-time insertion, and synchronization - essential for three-phase motor control. Additionally, four 8-bit timers (TMR) are available for auxiliary timing tasks such as baud-rate generation or simple delay functions.
Is the DF2239FA20IV qualified for automotive applications?
No, the DF2239FA20IV is classified as a "Standard" quality grade device per Renesas documentation and is intended for industrial, office, and consumer applications - not automotive or safety-critical systems. It lacks AEC-Q100 qualification, extended temperature range (-40°C to +85°C only), and automotive-specific failure-in-time (FIT) reporting. For automotive use, Renesas recommends the RH850 or RL78/F1x families instead of the DF2239FA20IV.
What debug interfaces are supported by the DF2239FA20IV?
The DF2239FA20IV supports on-chip debugging via its Full-Background Debugger (FBD) interface using the MOD and RES# pins. No external JTAG emulator is required: breakpoints, register inspection, and flash programming are enabled through Renesas' High-performance Embedded Workshop (HEW) or e2 studio tools. The DF2239FA20IV also supports single-step execution and real-time variable monitoring during active program flow.
DF2239FA20IV Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-BFQFP
- Series:
- H8® H8S/2200
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- Programmable:
- Not Verified
- Core Processor:
- H8S/2000
- Core Size:
- 16-Bit
- Speed:
- 20MHz
- Connectivity:
- I2C, SCI, SmartCard
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 72
- Program Memory Size:
- 384KB (384K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 8x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
DF2239FA20IV FAQ
1.How can I place an order for DF2239FA20IV through Aetrix?
Please submit a Request for Quotation (RFQ) for DF2239FA20IV 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 DF2239FA20IV reliable?
The price and inventory of DF2239FA20IV are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DF2239FA20IV is usually 5 days.
3.What payment methods are accepted for DF2239FA20IV?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DF2239FA20IV transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DF2239FA20IV?
DF2239FA20IV orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DF2239FA20IV 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 DF2239FA20IV?
For technical support, including DF2239FA20IV datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DF2239FA20IV requirements.
6.How does Aetrix verify that DF2239FA20IV is sourced from the original manufacturer or authorized distributors?
All DF2239FA20IV 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 DF2239FA20IV meets industry standards.
7.What is the process for return or replacement of DF2239FA20IV?
All DF2239FA20IV units undergo pre-shipment inspection (PSI). If there is an issue with DF2239FA20IV, 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 DF2239FA20IV part is unused and in its original packaging.
Return procedure for DF2239FA20IV:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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