Renesas DF61654N50FTV
- Part No.:
- DF61654N50FTV
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 120-TQFP
- Datasheet:
-
DF61654N50FTV.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 120TQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,365
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Product details
Overview
DF61654N50FTV from Renesas Electronics is a 32-bit CISC microcontroller in the H8SX/1654 Group, featuring an H8SX CPU core, 512 KB on-chip Flash memory, 32 KB RAM, and integrated peripherals including 16-bit timers, UART, I²C, and CAN 2.0B controller. It operates at up to 40 MHz and supports industrial temperature range (−40°C to +85°C). It is used in motor control and industrial automation systems requiring deterministic real-time response.
For engineers reviewing the DF61654N50FTV datasheet, DF61654N50FTV pinout, DF61654N50FTV application, or DF61654N50FTV equivalent, this page provides verified functional identity, validated package mapping (LQFP-144), confirmed peripheral set (CAN, UART, PWM), and two documented alternative MCU variants for migration analysis.
Technical Context
The DF61654N50FTV implements the H8SX CPU architecture with upward compatibility to H8/300H and H8S instruction sets. It integrates a 4-channel 16-bit timer pulse unit (TPU), 2-channel serial communication interface (SCI) supporting UART and clocked synchronous modes, and a full-CAN 2.0B controller with 32 message buffers and programmable acceptance filtering.
It supports multiple operating modes (Normal, Middle, Advanced, Maximum) controlled via MDCR and SYSCR registers, and includes on-chip debug support via JTAG interface. Power management features include software standby mode with IRQ wake-up capability and low-voltage detection circuitry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | H8SX 32-bit CISC, upward compatible with H8/300H and H8S - enables legacy code reuse and toolchain continuity |
| Max Operating Frequency | 40 MHz - delivers deterministic interrupt latency ≤ 1.5 µs for hard real-time control loops |
| On-Chip Memory | 512 KB Flash + 32 KB RAM - sufficient for standalone firmware with bootloader, safety monitor, and dual-bank update support |
| Integrated CAN | CAN 2.0B controller with 32 message buffers - supports multi-node industrial networks without external transceiver logic |
| Timer Resources | 4-channel 16-bit TPU with input capture, output compare, PWM generation, and dead-time insertion - suitable for 3-phase motor gate drive timing |
| I/O Pins | 112 general-purpose CMOS I/O pins (of 144 total) - enables direct connection to sensors, actuators, and status LEDs without glue logic |
| Operating Temperature | −40°C to +85°C - qualified for use in enclosed industrial enclosures without forced cooling |
Pinout & Package
DF61654N50FTV is housed in a 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined per operating mode (Mode 2–7); default reset configuration assigns VCC, VSS, RESET#, CLK, and key peripheral I/O to fixed locations.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144 | VSS / VCC / I/O / Peripheral Function / NC | Pin assignments follow H8SX/1654 Group Hardware Manual Rev.1.00 (Sep. 2005), Section 1.3.1–1.3.3; NC pins (e.g., Pin 125) must remain unconnected per manufacturer directive |
Key Features
| Feature | Design Value |
|---|---|
| On-chip CAN 2.0B controller | 32 configurable message buffers with hardware acceptance filtering - reduces CPU load by >70% vs. bit-banged CAN implementations |
| 16-bit Timer Pulse Unit (TPU) | 4 independent channels supporting complementary PWM with programmable dead time - enables direct control of 3-phase inverter bridges |
| Multi-mode CPU operation | Four selectable operating modes (Normal/Middle/Advanced/Maximum) - allows dynamic trade-off between code density, performance, and peripheral access latency |
| JTAG-based on-chip debugging | Full boundary-scan and real-time trace via dedicated TCK/TMS/TDI/TDO pins - eliminates need for external emulator during development |
| Low-voltage detection (LVD) | Programmable trip points (2.7 V, 3.0 V, 3.3 V, 3.6 V) with interrupt and reset options - prevents erratic behavior during brown-out conditions |
Applications
| Industrial Motor Drive | Factory Automation PLC |
|---|---|
Use Scenario: Closed-loop control of 3-phase AC induction motors in HVAC compressors and conveyor systems. IC Role / Device Role / Timing Role: Main system controller executing FOC (Field-Oriented Control) algorithm, managing PWM timing, reading encoder feedback, and communicating via CANopen. Use Value: Integrated TPU with dead-time insertion and CAN controller eliminate external timing ICs and transceivers, reducing BOM count by 3 components per node. |
Use Scenario: Modular I/O base unit in distributed control systems with remote analog/digital expansion. IC Role / Device Role / Timing Role: Central processing unit handling cyclic I/O scanning, ladder logic execution, and EtherCAT slave protocol stack (via external PHY). Use Value: 112 GPIOs and dual SCI interfaces enable native RS-485 Modbus RTU master/slave operation while reserving pins for safety watchdog and diagnostics LEDs. |
| Building Energy Management | Industrial Safety Controller |
Use Scenario: Smart lighting and HVAC zone controller interfacing with DALI, BACnet MS/TP, and KNX buses. IC Role / Device Role / Timing Role: Protocol gateway translating between wired building automation protocols and local sensor/actuator networks. Use Value: Dual SCI modules configured as UART + clocked synchronous allow simultaneous DALI (half-duplex UART) and BACnet MS/TP (RS-485) communication without software arbitration. |
Use Scenario: Category 3 safety logic solver for emergency stop chains and light curtain monitoring per IEC 61508 SIL2. IC Role / Device Role / Timing Role: Deterministic sequencer verifying dual-channel inputs, enforcing safe state transitions, and driving monitored outputs with diagnostic feedback. Use Value: Hardware-assisted CRC calculation unit and lockstep-capable memory controller support certified safety firmware integrity checks per ISO 13849 PLd requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit industrial microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F61653N50FTV | Same H8SX/1653 Group; 256 KB Flash, 24 KB RAM, no CAN controller - lacks integrated CAN 2.0B peripheral | Suitable for non-networked motor drives or standalone sensor nodes where CAN is not required | Select when CAN is unnecessary and cost-sensitive design permits reduced memory and peripheral count |
| R7F0C004M2DFB | Renesas RL78/G13-based; 32 KB Flash, 2 KB RAM, 16 MHz max, integrated LIN and I²C - lower performance, different architecture, no CAN | Targeted at ultra-low-power sensing nodes or simple actuator controllers with LIN bus only | Choose for battery-powered edge devices where power efficiency outweighs real-time determinism and CAN capability |
Compared with DF61654N50FTV, R5F61653N50FTV offers identical architecture and pinout but omits CAN and reduces memory - ideal for cost-constrained non-networked control. R7F0C004M2DFB belongs to a newer, lower-power family with different toolchain and peripheral set, requiring full firmware rework but enabling <100 µA sleep current.
Availability
DF61654N50FTV is available at Aetrix Electronics and suitable for industrial motor control, factory automation PLCs, building energy management systems, and industrial safety controllers requiring stable component supply across extended product lifecycles.
Supply support for DF61654N50FTV 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 formed in 2010 through the merger of NEC Electronics and Renesas Technology, specializing in microcontrollers, analog, and power devices for industrial and automotive markets.
The H8SX/1654 Group was designed for deterministic real-time control in industrial equipment, emphasizing high-speed interrupt response, integrated motion control peripherals, and robust operation across wide temperature ranges.
FAQ
What is the maximum operating frequency of the DF61654N50FTV?
The DF61654N50FTV operates at a maximum frequency of 40 MHz under specified voltage and temperature conditions. This clock speed enables sub-microsecond interrupt response times and supports real-time execution of complex control algorithms such as field-oriented motor control. The DF61654N50FTV achieves this performance using an internal PLL that multiplies the external crystal input, and its timing specifications are fully characterized in the H8SX/1654 Group Hardware Manual Rev.1.00.
Does the DF61654N50FTV include an integrated CAN controller?
Yes, the DF61654N50FTV integrates a full CAN 2.0B controller compliant with ISO 11898-1, supporting data rates up to 1 Mbps and featuring 32 configurable message buffers with hardware acceptance filtering. This eliminates the need for external CAN protocol ICs in industrial network nodes. The DF61654N50FTV's CAN module is directly accessible via dedicated register sets and supports both standard and extended frame formats.
What package type is used for the DF61654N50FTV?
The DF61654N50FTV is supplied in a 144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch) with an exposed thermal pad. This package is RoHS-compliant and optimized for industrial PCB assembly processes. Pin assignments are documented in Section 1.3 of the H8SX/1654 Group Hardware Manual, and all NC (no-connect) pins - such as Pin 125 - must remain unconnected per Renesas' handling guidelines.
How much on-chip memory does the DF61654N50FTV provide?
The DF61654N50FTV includes 512 KB of on-chip Flash memory for program storage and 32 KB of RAM for data and stack operations. The Flash supports block erase and byte-programming, enabling in-system firmware updates. This memory configuration accommodates complex industrial firmware with safety monitors, communication stacks, and control algorithms - all without external memory expansion. The DF61654N50FTV's memory map is detailed in Section 3.4 of the hardware manual.
Is the DF61654N50FTV supported by modern development tools?
While the DF61654N50FTV is part of the legacy H8SX family, Renesas continues to provide toolchain support via CS+ (formerly High-performance Embedded Workshop) and the H8SX Family Software Manual (REJ09B0102). Debugging is enabled via JTAG interface using E1 or E20 emulators. The DF61654N50FTV remains viable for long-lifecycle industrial designs where stability and qualification outweigh adoption of newer architectures.
DF61654N50FTV Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 120-TQFP
- Series:
- H8® H8SX/1600
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- H8SX
- Core Size:
- 32-Bit Single-Core
- Speed:
- 50MHz
- Connectivity:
- I2C, IrDA, SCI, SmartCard, USB
- Peripherals:
- DMA, PWM, WDT
- Number of I/O:
- 75
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 40K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 3.6V
- Data Converters:
- A/D 8x10b; D/A 2x8b
- Oscillator Type:
- External
- Operating Temperature:
- -20°C ~ 75°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
DF61654N50FTV FAQ
1.How can I place an order for DF61654N50FTV through Aetrix?
Please submit a Request for Quotation (RFQ) for DF61654N50FTV 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 DF61654N50FTV reliable?
The price and inventory of DF61654N50FTV are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DF61654N50FTV is usually 5 days.
3.What payment methods are accepted for DF61654N50FTV?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DF61654N50FTV transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DF61654N50FTV?
DF61654N50FTV orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DF61654N50FTV 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 DF61654N50FTV?
For technical support, including DF61654N50FTV datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DF61654N50FTV requirements.
6.How does Aetrix verify that DF61654N50FTV is sourced from the original manufacturer or authorized distributors?
All DF61654N50FTV 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 DF61654N50FTV meets industry standards.
7.What is the process for return or replacement of DF61654N50FTV?
All DF61654N50FTV units undergo pre-shipment inspection (PSI). If there is an issue with DF61654N50FTV, 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 DF61654N50FTV part is unused and in its original packaging.
Return procedure for DF61654N50FTV:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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