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Renesas M306N4FGTFP#UKJ
- Part No.:
- M306N4FGTFP#UKJ
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-BQFP
- Datasheet:
-
M306N4FGTFP#UKJ.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 100QFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
M306N4FGTFP#UKJ from Renesas Electronics is a 16-bit Flash-based microcontroller in the M16C/6N Group (M16C/6N4), featuring a high-performance M16C/60 Series CPU core, 256 KB + 4 KB data flash memory, 10 KB RAM, dual CAN 2.0B modules, and operation up to 24 MHz at 4.2–5.5 V. It targets automotive T-grade systems requiring robust real-time control, such as engine management and body electronics.
For engineers reviewing the M306N4FGTFP#UKJ datasheet, M306N4FGTFP#UKJ pinout, M306N4FGTFP#UKJ application, or M306N4FGTFP#UKJ equivalent, key selection criteria include its 100-pin QFP package, -40°C to +85°C operating range (T-version), dual CAN interface compliance, 10-bit 26-channel A/D converter, and integrated DMAC for deterministic peripheral handling in safety-critical embedded control.
Technical Context
The M306N4FGTFP#UKJ implements the M16C/60 CPU core with 91 fundamental instructions and minimum instruction execution time of 41.7 ns at 24 MHz. Its architecture integrates two independent CAN 2.0B controllers, a 10-bit A/D converter with 26 input channels and external trigger support (ADTRG), and dual 8-bit D/A outputs for analog feedback loops.
It supports three operating modes-single-chip, memory expansion, and microprocessor-and includes four clock generation circuits: main/sub crystal oscillators, on-chip oscillator, and PLL frequency synthesizer. The device features five multifunction timer units (Timer A ×5, Timer B ×6), three-phase motor control circuitry, and CRC-CCITT calculation hardware for communication integrity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | M16C/60 Series 16-bit RISC core with 91 instructions and 41.7 ns min. execution time at 24 MHz |
| Memory | 256 KB + 4 KB flash ROM (data flash block A) and 10 KB RAM - enables field-upgradable firmware and real-time data buffering |
| CAN Interface | Dual CAN 2.0B-compliant modules - supports redundant bus architectures or multi-node vehicle networks |
| A/D Converter | 10-bit resolution, 26-channel input, external trigger (ADTRG) - suitable for sensor fusion in engine control units |
| D/A Converter | 8-bit × 2 channels - provides analog setpoint outputs for actuator drivers or calibration references |
| Operating Temp | -40°C to +85°C (T-version) - qualified for under-hood automotive applications per Renesas "High Quality" grade |
| Supply Voltage | 4.2–5.5 V at 24 MHz - ensures stable operation across automotive battery transients without external regulation |
| Package | 100-pin plastic QFP (PRQP0100JB-A) - standard footprint compatible with industrial reflow processes |
Pinout & Package
Package: 100-pin plastic molded QFP (PRQP0100JB-A), 0.65 mm pitch, 14 × 20 mm body size, lead-free and RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P5_3/BCLK | Bus Clock Output | Provides synchronous timing reference for external peripherals; configurable frequency division |
| P6_2/RXD0/SCL0 & P6_3/TXD0/SDA0 | CAN0 Bus Interface / I²C Channel 0 | Dual-function pins: CAN differential receiver/transmitter or I²C bidirectional data/clock - requires external termination or pull-ups per mode |
| P7_0/TXD2/SDA2 & P7_1/RXD2/SCL2 | CAN2 Bus Interface / I²C Channel 2 | N-channel open-drain on P7_1 - mandates external pull-up for I²C; CAN functionality requires transceiver IC |
| P9_7/ADTRG | Analog Trigger Input | Edge-triggered start signal for A/D conversion - enables precise synchronization with motor commutation or PWM events |
| P10_0/AN0 to P10_7/AN7 | Analog Input Channels | Eight dedicated A/D inputs with internal multiplexer - supports simultaneous sampling across multiple sensors |
| RESET | Active-Low Reset Input | Hardware reset initiation; internal pull-up ensures defined state during power-up or brown-out |
| VCC1/VCC2 & VSS | Power Supply Pins | Dual VCC pins require equal voltage (4.2–5.5 V); VSS ground plane separation improves noise immunity for analog/digital domains |
Key Features
| Feature | Design Value |
|---|---|
| Dual CAN 2.0B Controllers | Independent message buffers and acceptance filters - enable concurrent CAN FD-ready network management without CPU overhead |
| 10-bit 26-Channel A/D Converter | Programmable sample-and-hold timing and external trigger (ADTRG) - supports deterministic acquisition aligned to motor phase signals |
| Three-Phase Motor Control Circuit | Integrated dead-time insertion and complementary output logic - reduces external gate-driver complexity for BLDC/PMSM drives |
| DMAC with 2 Channels | Hardware-accelerated memory-to-peripheral transfers - offloads CPU during high-speed ADC logging or CAN message queuing |
| CRC-CCITT Hardware Engine | Dedicated polynomial calculation (X¹⁶+X¹²+X⁵+1) - ensures real-time frame integrity verification in CAN/I²C protocols |
| Flash Programming Voltage | Supports 3.0 ± 0.3 V or 5.0 ± 0.5 V - enables in-system programming via standard automotive supply rails |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time combustion timing, fuel injection pulse width, and knock detection using crank/cam position and oxygen sensor inputs. IC Role / Device Role / Timing Role: Primary controller executing closed-loop PID algorithms with sub-microsecond interrupt latency and synchronized A/D sampling. Use Value: Dual CAN interfaces allow simultaneous communication with powertrain and chassis networks; 26-channel A/D supports full sensor suite without multiplexing delay. | Use Scenario: Centralized management of door locks, lighting, wipers, and HVAC based on switch inputs and ambient sensor data. IC Role / Device Role / Timing Role: Deterministic I/O scheduler coordinating PWM dimming, relay switching, and LIN gateway functions. Use Value: Three-phase motor control circuit directly drives radiator fan motors; 8-bit D/A outputs calibrate sensor references for cabin temperature sensing. |
| Electric Power Steering (EPS) | Industrial PLC I/O Module |
Use Scenario: Torque assist calculation using steering angle, torque sensor, and vehicle speed, with fail-safe torque limiting. IC Role / Device Role / Timing Role: Safety-monitoring co-processor interfacing with primary MCU via CAN, performing independent torque validation. Use Value: CRC-CCITT hardware validates all CAN messages; watchdog timer with prescaler ensures timely fault response within ASIL-B timing constraints. | Use Scenario: Modular digital/analog I/O expansion for programmable logic controllers in factory automation. IC Role / Device Role / Timing Role: Fieldbus node controller managing isolated digital inputs, analog current loops (4–20 mA), and relay outputs. Use Value: DMAC handles high-speed analog scan without CPU intervention; dual CAN ports support redundant control network topologies. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F102MAASP#30 | RL78/G13 16-bit core, 256 KB flash, 20 KB RAM, single CAN 2.0B, 10-bit 24-channel A/D | Lacks second CAN channel and three-phase motor control hardware; lower power consumption in stop mode (0.23 µA) | Preferred for cost-sensitive, low-power body electronics where dual CAN is unnecessary |
| MB9BF518RPMC-G-S2 | ARM Cortex-M3 core, 512 KB flash, 64 KB RAM, dual CAN 2.0B, 12-bit 24-channel A/D | Higher performance (100 MHz), floating-point unit, Ethernet MAC - requires RTOS and larger PCB area | Suitable for next-generation ECU designs needing protocol stack offload or OTA update capability |
Compared with R5F102MAASP#30 and MB9BF518RPMC-G-S2, the M306N4FGTFP#UKJ delivers deterministic real-time behavior via its M16C architecture and integrated motor control logic, while maintaining pin-compatible legacy support and proven qualification for automotive T-grade environments - making it optimal for incremental upgrades of existing CAN-based control systems.
Availability
M306N4FGTFP#UKJ is available at Aetrix Electronics and suitable for automotive engine control, industrial PLC I/O modules, and electric power steering systems requiring stable component supply across extended product lifecycles.
Supply support for M306N4FGTFP#UKJ 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 M16C/6N Group was designed specifically for high-reliability automotive and industrial real-time control applications, emphasizing CAN connectivity, analog integration, and deterministic interrupt response - aligning with Renesas' "High Quality" grade requirements.
FAQ
What is the maximum operating frequency and supply voltage range for the M306N4FGTFP#UKJ?
The M306N4FGTFP#UKJ operates at up to 24 MHz with a supply voltage range of 4.2 V to 5.5 V when running at full speed. This specification applies to the T-version (automotive 85°C), as indicated by the "T" in the part number. Operation outside this voltage window may cause timing violations or functional failure, and Renesas specifies no guaranteed operation below 4.2 V at 24 MHz.
Does the M306N4FGTFP#UKJ support in-system programming of its flash memory?
Yes, the M306N4FGTFP#UKJ supports in-system programming using either 3.0 ± 0.3 V or 5.0 ± 0.5 V. Its flash memory is rated for 100 program/erase cycles, and the 4 KB data flash block (Block A) is specifically allocated for parameter storage and firmware updates without disturbing application code. Programming requires the Renesas Flash Development Toolkit and compatible debug interface.
How many CAN interfaces does the M306N4FGTFP#UKJ integrate, and what protocol versions do they support?
The M306N4FGTFP#UKJ integrates two independent CAN modules, both compliant with ISO 11898-1:2003 CAN 2.0B specification. Each module supports standard (11-bit) and extended (29-bit) identifier formats, programmable bit rates up to 1 Mbps, and built-in message objects with acceptance filtering. No external CAN transceiver is included - discrete or integrated transceivers must be used on the physical layer.
What is the function of the ADTRG pin (P9_7) on the M306N4FGTFP#UKJ?
The ADTRG pin (P9_7) on the M306N4FGTFP#UKJ serves as an external trigger input for initiating A/D conversions. When configured in edge-trigger mode, a rising or falling edge on this pin starts sampling on the selected A/D channel(s), enabling precise synchronization with periodic events such as motor encoder Z-phase pulses or PWM center-aligned timing points - critical for accurate current sensing in motor control.
Is the M306N4FGTFP#UKJ qualified for automotive applications, and what temperature grade does it meet?
Yes, the M306N4FGTFP#UKJ is qualified for automotive applications as a "High Quality" grade device per Renesas classification, with an operating ambient temperature range of -40°C to +85°C (T-version). It is intended for use in transportation equipment including automobiles, and meets requirements for engine control, body electronics, and EPS - but excludes life-support or aerospace applications without explicit Renesas written consent.
M306N4FGTFP#UKJ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-BQFP
- Series:
- M16C™ M16C/60/6N4
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- M16C/60
- Core Size:
- 16-Bit
- Speed:
- 20MHz
- Connectivity:
- CANbus, I2C, IEBus, SIO, UART/USART
- Peripherals:
- DMA, WDT
- Number of I/O:
- 85
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 10K x 8
- Voltage - Supply (Vcc/Vdd):
- 4.2V ~ 5.5V
- Data Converters:
- A/D 26x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
M306N4FGTFP#UKJ FAQ
1.How can I place an order for M306N4FGTFP#UKJ through Aetrix?
Please submit a Request for Quotation (RFQ) for M306N4FGTFP#UKJ 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 M306N4FGTFP#UKJ reliable?
The price and inventory of M306N4FGTFP#UKJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M306N4FGTFP#UKJ is usually 5 days.
3.What payment methods are accepted for M306N4FGTFP#UKJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for M306N4FGTFP#UKJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for M306N4FGTFP#UKJ?
M306N4FGTFP#UKJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your M306N4FGTFP#UKJ 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 M306N4FGTFP#UKJ?
For technical support, including M306N4FGTFP#UKJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M306N4FGTFP#UKJ requirements.
6.How does Aetrix verify that M306N4FGTFP#UKJ is sourced from the original manufacturer or authorized distributors?
All M306N4FGTFP#UKJ 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 M306N4FGTFP#UKJ meets industry standards.
7.What is the process for return or replacement of M306N4FGTFP#UKJ?
All M306N4FGTFP#UKJ units undergo pre-shipment inspection (PSI). If there is an issue with M306N4FGTFP#UKJ, 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 M306N4FGTFP#UKJ part is unused and in its original packaging.
Return procedure for M306N4FGTFP#UKJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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