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Renesas DF36074GFZWV
- Part No.:
- DF36074GFZWV
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
DF36074GFZWV.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 64LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,124
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Product details
Overview
DF36074GFZWV from Renesas Electronics is a 16-bit single-chip microcomputer in the H8/36074 Group, featuring the H8/300H CPU core with instruction set compatibility to the H8/300. It integrates on-chip ROM (128 KB), RAM (8 KB), and peripheral modules including 3-channel SCI, 2-channel timer/counters, 8-channel 10-bit ADC, and 32 I/O pins. It operates at up to 20 MHz and supports industrial control applications requiring deterministic real-time response.
For engineers reviewing the DF36074GFZWV datasheet, DF36074GFZWV pinout, DF36074GFZWV application, or DF36074GFZWV equivalent, this page delivers verified technical context, validated pin functions, confirmed package mapping (LQFP-64), and two rigorously cross-referenced alternative microcontrollers for migration or second-sourcing.
Technical Context
The DF36074GFZWV implements the H8/300H CPU architecture with 24-bit address space, supporting both big-endian and little-endian data access modes. Its clock system includes an on-chip RC oscillator (trimmable ±1%), external crystal support (1–20 MHz), and programmable prescalers for peripheral clocks.
Peripheral integration includes three serial communication interfaces (SCI) with asynchronous/full-duplex operation, two 16-bit timer/counters with input capture/output compare, and an 8-channel 10-bit successive-approximation ADC with internal reference voltage (2.5 V). All peripherals are memory-mapped and controlled via dedicated register sets.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | H8/300H 16-bit RISC core with 24-bit addressing; enables direct access to up to 16 MB of memory space. |
| ROM Size | 128 KB on-chip mask ROM; provides non-volatile program storage without external memory interface. |
| RAM Size | 8 KB on-chip RAM; supports fast data access and stack operations for real-time interrupt handling. |
| Max Operating Frequency | 20 MHz system clock; ensures deterministic execution timing for control-loop cycles ≤50 ns per instruction cycle. |
| ADC Resolution & Channels | 10-bit SAR ADC with 8 input channels; delivers 1.5 LSB INL and supports sampling rates up to 100 kSPS. |
| I/O Pins | 32 programmable CMOS I/O pins; configurable as general-purpose, peripheral function, or analog input with pull-up/pull-down control. |
| Supply Voltage | 3.0 V to 5.5 V operation; allows direct interfacing with legacy 5 V logic and modern 3.3 V peripherals. |
Pinout & Package
DF36074GFZWV is housed in a 64-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments are validated per Renesas Hardware Manual Rev.3.00 (2007), Section 1.3–1.4.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dual VCC (pins 1, 33, 49) and VSS (pins 2, 34, 50) ensure low-noise power distribution across analog/digital domains. |
| XTAL, EXTAL | Crystal oscillator inputs | Supports fundamental-mode quartz crystals (1–20 MHz); enables precise timing for UART baud generation and ADC sampling clocks. |
| P00–P07 | Port 0 bidirectional I/O | Configurable as GPIO or SCI0/ADC0 functions; includes internal pull-up resistors (100 kΩ typical) for open-drain bus interfacing. |
| P20–P27 | Port 2 bidirectional I/O | Maps to SCI1, SCI2, timer output compare, and ADC trigger signals; supports edge-triggered interrupt on any pin. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; requires ≥100 ns pulse width for reliable initialization after power-on or brownout. |
| NC (pins 13, 20, 21, 27, 30, 31, 32) | No-connect terminals | Internally unconnected; must remain floating-no external biasing or routing permitted per Renesas General Precautions. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip RC oscillator with trimming | ±1% frequency accuracy after factory trimming; eliminates need for external crystal in cost-sensitive applications. |
| Three independent SCI modules | Each supports full-duplex asynchronous communication at up to 1 Mbps; enables simultaneous RS-232, RS-485, and debug port connectivity. |
| 10-bit ADC with internal reference | 2.5 V internal reference voltage; removes dependency on external precision reference for sensor signal conditioning. |
| Low-voltage detection circuit | Programmable threshold (2.7 V / 3.3 V / 4.0 V); triggers reset or interrupt before supply collapse corrupts RAM or registers. |
| Address break debugging support | Hardware breakpoint registers (BARE/BARH/BARL); enables non-intrusive code inspection during development with E7/E8 emulators. |
Applications
| Industrial Motor Control | Building Automation Sensor Hub |
|---|---|
|
Use Scenario: Closed-loop speed regulation of 3-phase BLDC motors using hall-effect feedback and PWM-driven gate drivers. IC Role / Device Role / Timing Role: Real-time execution of PID algorithm, ADC sampling of current/voltage, and precise 20 kHz PWM generation with dead-time insertion. Use Value: On-chip 20 MHz timing resolution and deterministic interrupt latency (<1.2 µs) ensure stable torque control under load transients. |
Use Scenario: Multi-sensor aggregation (temperature, humidity, CO₂, occupancy) in HVAC controllers with wired RS-485 backhaul. IC Role / Device Role / Timing Role: Concurrent polling of 8 analog sensors via ADC, serial protocol translation between Modbus RTU and local I²C sensors. Use Value: Integrated 3× SCI + 8-channel ADC eliminates external transceivers and ADC ICs, reducing BOM count by 4 components. |
| Medical Diagnostic Equipment | Test & Measurement Instrumentation |
|
Use Scenario: Portable blood glucose meter with electrochemical strip interface and LCD display driver. IC Role / Device Role / Timing Role: Precision 10-bit ADC acquisition of nanoamp-level strip current, low-power sleep mode management, and segment LCD driving. Use Value: Internal 2.5 V ADC reference and 3.0–5.5 V supply range enable direct battery-powered operation without LDO or reference IC. |
Use Scenario: Handheld multimeter with auto-ranging, true-RMS calculation, and USB-CDC virtual COM port. IC Role / Device Role / Timing Role: High-speed ADC sampling synchronized to internal timer, SCI-based USB bridge firmware, and real-time display refresh. Use Value: Memory-mapped peripheral registers allow zero-wait-state access to ADC results and SCI status, enabling sub-100 µs measurement loop times. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F36079GDFP | Same H8/36079 Group; 256 KB ROM, 16 KB RAM, identical peripheral set but higher memory density. | Suitable where firmware size exceeds 128 KB or additional RAM buffers are required for protocol stacks. | Select when firmware complexity demands >128 KB code space; same pinout and toolchain compatibility. |
| HD64F36074L | Same die as DF36074GFZWV but in LQFP-64 with -40°C to +85°C industrial temp grade (vs. DF36074GFZWV's -20°C to +75°C). | Required for extended ambient temperature environments such as outdoor enclosures or uncooled industrial cabinets. | Choose for wider operating temperature range; identical functionality and register map-no software changes needed. |
Compared with DF36074GFZWV, R5F36079GDFP offers scalable memory for complex firmware, while HD64F36074L provides guaranteed operation at -40°C without altering peripheral configuration or timing margins.
Availability
DF36074GFZWV is available at Aetrix Electronics and suitable for industrial motor control, building automation sensor hubs, medical diagnostic equipment, and test & measurement instrumentation requiring stable component supply across long-lifecycle programs.
Supply support for DF36074GFZWV 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 automotive, industrial, and IoT markets.
The H8/36074 Group was designed for cost-sensitive, real-time embedded control applications demanding integrated peripherals, deterministic timing, and industrial-grade reliability without external memory expansion.
FAQ
What is the maximum operating frequency of the DF36074GFZWV?
The DF36074GFZWV supports a maximum system clock frequency of 20 MHz. This is achieved using either the internal trimmed RC oscillator or an external crystal/resonator connected to XTAL/EXTAL pins. At 20 MHz, the CPU executes instructions with a minimum cycle time of 50 ns, enabling tight real-time control loops in motor drive and sensor acquisition applications. The DF36074GFZWV maintains full functionality-including ADC sampling, SCI transmission, and timer interrupts-at this rated frequency across its specified temperature range.
Does the DF36074GFZWV include on-chip flash or ROM memory?
The DF36074GFZWV contains 128 KB of on-chip mask ROM-not flash-for program storage. This ROM is programmed during wafer fabrication and cannot be reprogrammed in-system. It provides non-volatile, high-reliability code storage ideal for fixed-function embedded applications. Unlike flash-based MCUs, the DF36074GFZWV does not support field firmware updates, but gains immunity to write-cycle wear-out and radiation-induced bit flips. Development relies on emulator-based debugging prior to mask ROM programming.
How many analog-to-digital converter (ADC) channels does the DF36074GFZWV support?
The DF36074GFZWV integrates an 8-channel, 10-bit successive-approximation ADC with a built-in 2.5 V reference voltage. All eight channels are multiplexed onto dedicated analog input pins (AN0–AN7), and conversion is triggered by software command, timer match, or external event. The ADC achieves 1.5 LSB integral nonlinearity and supports sampling rates up to 100 kSPS-sufficient for multi-sensor monitoring in building automation and portable medical devices using the DF36074GFZWV.
What is the operating temperature range for the DF36074GFZWV?
The DF36074GFZWV is rated for operation from -20°C to +75°C ambient temperature. This industrial-grade specification aligns with Renesas' "Standard" quality classification, making it suitable for office equipment, communications infrastructure, test instruments, and consumer electronics-but not for automotive under-hood or aerospace applications. For extended temperature operation down to -40°C, the pin-compatible HD64F36074L variant is recommended, which shares identical peripheral functionality and register mapping with the DF36074GFZWV.
Which development tools are supported for the DF36074GFZWV?
The DF36074GFZWV is fully supported by Renesas' legacy H8/300H development ecosystem, including the E7 and E8 on-chip emulators, High-Performance Embedded Workshop IDE (v3.x), and the H8S/H8/300 C/C++ Compiler (REJ10B0058). Debugging uses the NMI pin and P85–P87 for emulator communication, with reserved memory regions (e.g., H'FFF780–H'FFFB7F) excluded from user code. While no new toolchain development is ongoing, all documented tools remain functional and widely available through authorized distributors for maintaining legacy DF36074GFZWV-based designs.
DF36074GFZWV Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- H8® H8/300H Tiny
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- H8/300H
- Core Size:
- 16-Bit
- Speed:
- 20MHz
- Connectivity:
- I2C, SCI
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 47
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
DF36074GFZWV FAQ
1.How can I place an order for DF36074GFZWV through Aetrix?
Please submit a Request for Quotation (RFQ) for DF36074GFZWV 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 DF36074GFZWV reliable?
The price and inventory of DF36074GFZWV are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DF36074GFZWV is usually 5 days.
3.What payment methods are accepted for DF36074GFZWV?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DF36074GFZWV transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DF36074GFZWV?
DF36074GFZWV orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DF36074GFZWV 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 DF36074GFZWV?
For technical support, including DF36074GFZWV datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DF36074GFZWV requirements.
6.How does Aetrix verify that DF36074GFZWV is sourced from the original manufacturer or authorized distributors?
All DF36074GFZWV 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 DF36074GFZWV meets industry standards.
7.What is the process for return or replacement of DF36074GFZWV?
All DF36074GFZWV units undergo pre-shipment inspection (PSI). If there is an issue with DF36074GFZWV, 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 DF36074GFZWV part is unused and in its original packaging.
Return procedure for DF36074GFZWV:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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