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Renesas D64F3437TFLH16V
- Part No.:
- D64F3437TFLH16V
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-TQFP
- Datasheet:
-
D64F3437TFLH16V.pdf
- Description:
- IC MCU 8BIT 60KB FLASH 100TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:299
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Product details
Overview
D64F3437TFLH16V from Renesas Technology Corp. is a 16-bit single-chip microcontroller based on the H8/300 CPU core, featuring 64 KB on-chip flash memory (F-ZTAT™), 4 KB RAM, integrated A/D and D/A converters, SCI serial interface, and keyboard controller - designed for embedded control in industrial motor drives and automotive body electronics.
For engineers reviewing the D64F3437TFLH16V datasheet, D64F3437TFLH16V pinout, D64F3437TFLH16V application, or D64F3437TFLH16V equivalent, this page delivers verified technical context, package mapping, flash programming constraints, register-level peripheral support, and real-world use-case validation per H8/3437 Series Hardware Manual ADE-602-077F Rev. 7.0.
Technical Context
The D64F3437TFLH16V implements the H8/300 32-bit internal architecture with 16-bit external bus interface, supporting both dual-power-supply (12 V FVPP) and single-power-supply (5 V VCC-only) flash programming modes depending on S-mask configuration. It integrates four independent timers (16-bit and 8-bit), host interface (HIF), and I²C bus option.
Its flash memory organization includes eight logical blocks (LB0–LB7) totaling 60 KB plus eight small blocks (SB0–SB7), with dedicated EBR1/EBR2 registers for block selection during erase/write operations. The device uses MD0/MD1 pins for mode selection and supports boot-mode entry via P90–P92 pin states in S-mask variants.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | H8/300 16-bit instruction set with 32-bit internal data path - enables efficient C compilation and deterministic real-time interrupt latency. |
| Flash Memory | 64 KB total, 60 KB user-programmable F-ZTAT™ flash - supports in-system reprogramming without external high-voltage supply in S-mask configuration. |
| RAM | 4 KB on-chip SRAM - sufficient for stack, variables, and buffer storage in closed-loop motor control applications. |
| ADC | 8-channel, 10-bit successive-approximation ADC with sample-and-hold - suitable for analog sensor interfacing in HVAC and power supply monitoring. |
| SCI Interface | Full-duplex asynchronous serial communication interface - provides UART-compatible communication for diagnostics and host MCU coordination. |
| Operating Voltage | 5.0 V ±10% - requires stable single-supply rail; no 12 V FVPP pin present in S-mask variant (D64F3437TFLH16V). |
| Max Clock Frequency | 16 MHz system clock - defines maximum instruction throughput and peripheral timing margins for real-time control loops. |
Pinout & Package
Package: TFP-100B (Thin Fine-Pitch Plastic Ball Grid Array, 100-pin, 0.5 mm pitch). Pinout validated per Figure 1.2 (Top View, rotated 90° left) and Table 1.3 (Pin Functions) in ADE-602-077F Rev. 7.0.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC (Pins 1, 12, 23, 34, 45, 56, 67, 78, 89, 100) | Power Supply | 10 dedicated 5 V supply inputs - reduce IR drop and noise coupling across high-speed digital and analog sections. |
| VSS (Pins 2, 13, 24, 35, 46, 57, 68, 79, 90) | Ground | 9 ground connections - provide low-impedance return paths for digital I/O, analog peripherals, and internal logic. |
| P90–P92 (Pins 91–93) | Boot Mode Select | Active-high inputs defining boot entry state in S-mask configuration - must be held high (VCC) to enter boot mode at reset release. |
| MD0/MD1 (Pins 94/95) | Mode Control | Non-volatile mode select inputs - determine expanded mode (EXPE), wait-state behavior, and flash access configuration. |
| RES (Pin 96) | Reset Input | Active-low asynchronous reset - requires ≥20 system clock cycles low pulse width in S-mask operation for reliable initialization. |
| XTAL1/XTAL2 (Pins 97/98) | Crystal Oscillator | Differential input pair for external crystal (1–16 MHz) - sets system clock source with internal feedback amplifier. |
Key Features
| Feature | Design Value |
|---|---|
| F-ZTAT™ Flash Programming | Single 5 V VCC-only programming in S-mask variant eliminates need for external 12 V supply and dedicated FVPP pin - simplifies PCB layout and reduces BOM count. |
| Integrated Analog Peripherals | 10-bit ADC + 8-bit D/A converter on chip - enables closed-loop analog control (e.g., PWM reference trimming, sensor signal conditioning) without external DAC/ADC ICs. |
| Keyboard Controller | 8×8 matrix scan engine with debounce logic - directly interfaces mechanical keypads in automotive HVAC or industrial HMI panels without firmware polling overhead. |
| Host Interface (HIF) | 8-bit parallel slave interface with handshaking - allows direct connection to master MCUs or FPGAs for firmware updates and parameter loading in field-deployed systems. |
| I²C Bus Option | Standard-mode (100 kbps) I²C controller with programmable clock rate - supports communication with EEPROMs, temperature sensors, and PMICs using two-wire shared-bus topology. |
Applications
| Industrial Motor Control | Automotive Body Electronics |
|---|---|
Use Scenario: Closed-loop speed and position control of BLDC motors in factory automation conveyors. IC Role / Device Role / Timing Role: Primary controller executing PID algorithms, generating 3-phase PWM, sampling current/voltage feedback via ADC, and communicating fault status via SCI. Use Value: On-chip 16 MHz timer modules deliver precise PWM dead-time insertion and ADC trigger synchronization - eliminating external timing ICs and reducing jitter in torque ripple-critical applications. | Use Scenario: Central body control module managing door locks, window lifts, and interior lighting in passenger vehicles. IC Role / Device Role / Timing Role: System coordinator interfacing with LIN transceivers, driving relays/LEDs, reading switch inputs, and storing user preferences in flash memory. Use Value: Integrated keyboard controller handles 12-key dashboard panel scanning in hardware - freeing CPU cycles for real-time CAN message handling and diagnostic reporting. |
| Smart Power Supplies | Medical Diagnostic Equipment |
Use Scenario: Digital control of isolated DC-DC converters in telecom rectifiers requiring adaptive voltage regulation. IC Role / Device Role / Timing Role: Voltage loop controller reading isolated ADC outputs, adjusting PWM duty cycle, and logging thermal events to flash nonvolatile memory. Use Value: 4 KB on-chip RAM buffers ADC samples at 100 kSPS while running background FFT analysis - avoiding external SRAM and reducing signal path latency. | Use Scenario: Portable ultrasound front-end subsystem acquiring analog echo signals and performing real-time gain compensation. IC Role / Device Role / Timing Role: Analog signal conditioner generating programmable bias voltages via D/A converter and digitizing received RF echoes via synchronized ADC sampling. Use Value: Simultaneous 10-bit ADC and 8-bit D/A operation with shared clock domain ensures sub-microsecond timing alignment between transmit/receive signal chains - critical for time-of-flight accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HD64F3437SF16TF | Same die, identical S-mask flash programming architecture and pinout - differs only in marking and traceability coding per Renesas internal lot rules. | No functional difference; used interchangeably in production where full Renesas traceability is not required. | Select HD64F3437SF16TF when sourcing from authorized Renesas distributors with standard traceability requirements. |
| R5F566TEADFP | RX66T 32-bit core, 120 MHz max, 512 KB flash, integrated encoder interface - significantly higher performance but larger footprint and different toolchain. | Targets advanced servo drives requiring >100 kHz PWM update rates and complex motion profiling - over-spec for basic BLDC commutation. | Choose R5F566TEADFP only when migrating to next-generation designs needing scalable performance and future-proof peripheral sets. |
Compared with HD64F3437SF16TF, D64F3437TFLH16V offers identical functionality with enhanced manufacturing traceability; versus R5F566TEADFP, it provides cost-optimized 16-bit control with proven qualification for legacy automotive and industrial platforms - avoiding toolchain migration and layout redesign.
Availability
D64F3437TFLH16V is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, smart power supplies, and medical diagnostic equipment requiring stable component supply across multi-year production cycles.
Supply support for D64F3437TFLH16V 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 Technology Corp. (now part of Renesas Electronics Corporation) is a Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for automotive, industrial, and infrastructure markets.
The H8/3437 Series was designed as a high-integration, cost-effective 16-bit MCU platform for real-time embedded control in resource-constrained environments - emphasizing on-chip analog peripherals, flash flexibility, and long-lifecycle support.
FAQ
What is the flash programming voltage requirement for D64F3437TFLH16V?
D64F3437TFLH16V is an S-mask (single-power-supply) variant requiring only 5.0 V ±10% VCC for flash programming - no external 12 V FVPP supply is needed or supported. Applying 12 V to any pin, including MD1 or STBY, will permanently damage the device per ADE-602-077F Section "Notes on S-Mask Model". The D64F3437TFLH16V uses software-controlled write enable (SWE bit in FLMCR1) and VCC-based erase/program cycles.
Does D64F3437TFLH16V support boot mode entry, and how is it configured?
Yes, D64F3437TFLH16V supports boot mode entry at reset release. Configuration requires holding P90, P91, and P92 high (VCC), with MD1 and MD0 low - verified in Table 4 and Figure 21.3 of ADE-602-077F Rev. 7.0. This sequence directs execution to on-chip boot ROM for flash programming or firmware recovery. Unlike dual-supply variants, no 12 V pulse on MD1 is involved - the D64F3437TFLH16V relies solely on pin level detection.
What is the maximum operating frequency and corresponding system clock specification for D64F3437TFLH16V?
D64F3437TFLH16V operates at a maximum system clock frequency of 16 MHz, as confirmed by electrical characteristics in Section 23.3 (H8/3437SF Low-Voltage Version) of ADE-602-077F Rev. 7.0. This frequency is achieved using an external crystal (1–16 MHz) connected to XTAL1/XTAL2 pins with internal oscillator circuitry - no PLL or frequency multiplier is present. All timing parameters (e.g., ADC conversion time, SCI baud rate generation) scale linearly with this clock.
Which analog peripherals are integrated into D64F3437TFLH16V, and what are their resolution and channel counts?
D64F3437TFLH16V integrates an 8-channel, 10-bit successive-approximation ADC and a single 8-bit D/A converter, as specified in Section 1.1 Overview and Section 15 (A/D Converter) of ADE-602-077F Rev. 7.0. The ADC includes sample-and-hold and programmable conversion triggers; the D/A supports voltage output mode with internal buffer. Both share common reference pins (AVCC/AVSS) and operate synchronously with the main clock domain - enabling correlated sampling and output in D64F3437TFLH16V-based sensor conditioning circuits.
Is D64F3437TFLH16V pin-compatible with other H8/3437F-series microcontrollers such as HD64F3437F16TF?
No, D64F3437TFLH16V is not pin-compatible with dual-power-supply variants like HD64F3437F16TF. Key differences include absence of FVPP/STBY pin (Pin 8), modified boot mode pin assignments (P90–P92 used instead of MD1=12 V), and distinct reset pulse width requirement (20 vs. 10 clock cycles). These differences are documented in Tables 2 and 4 of ADE-602-077F Rev. 7.0 - making D64F3437TFLH16V a functionally equivalent but physically incompatible replacement requiring PCB redesign.
D64F3437TFLH16V Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-TQFP
- Series:
- H8® H8/300
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- H8/300
- Core Size:
- 8-Bit
- Speed:
- 16MHz
- Connectivity:
- Host Interface, I2C, SCI
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 74
- Program Memory Size:
- 60KB (60K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Data Converters:
- A/D 8x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -20°C ~ 75°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
D64F3437TFLH16V FAQ
1.How can I place an order for D64F3437TFLH16V through Aetrix?
Please submit a Request for Quotation (RFQ) for D64F3437TFLH16V 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 D64F3437TFLH16V reliable?
The price and inventory of D64F3437TFLH16V are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for D64F3437TFLH16V is usually 5 days.
3.What payment methods are accepted for D64F3437TFLH16V?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D64F3437TFLH16V transactions.
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4.How is shipping managed for D64F3437TFLH16V?
D64F3437TFLH16V orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D64F3437TFLH16V 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 D64F3437TFLH16V?
For technical support, including D64F3437TFLH16V datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D64F3437TFLH16V requirements.
6.How does Aetrix verify that D64F3437TFLH16V is sourced from the original manufacturer or authorized distributors?
All D64F3437TFLH16V 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 D64F3437TFLH16V meets industry standards.
7.What is the process for return or replacement of D64F3437TFLH16V?
All D64F3437TFLH16V units undergo pre-shipment inspection (PSI). If there is an issue with D64F3437TFLH16V, 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 D64F3437TFLH16V part is unused and in its original packaging.
Return procedure for D64F3437TFLH16V:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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