Renesas M30843FJFP#U3
- Part No.:
- M30843FJFP#U3
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-BQFP
- Datasheet:
-
M30843FJFP#U3.pdf
- Description:
- IC MCU 16/32B 512KB FLASH 100QFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,826
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Product details
Overview
M30843FJFP#U3 from Renesas Electronics is a 16/32-bit CMOS microcontroller in the M32C/84 group, featuring the M32C/80 series CPU core, 512 KB Flash memory, 100-pin LQFP package (PRQP0100JB-A), and integrated CAN 2.0B module, 10-bit A/D converter (26 channels), and dual 8-bit D/A converters - deployed in automotive body control units and industrial motor drives.
For engineers reviewing the M30843FJFP#U3 datasheet, M30843FJFP#U3 pinout, M30843FJFP#U3 application, or M30843FJFP#U3 equivalent, this page delivers verified technical context, validated pin functions, real-world use cases, and confirmed alternative parts for design-in and supply continuity planning.
Technical Context
The M30843FJFP#U3 implements a 16-Mbyte linear address space with single-chip operation mode and supports both 32 MHz (VCC1=4.2–5.5 V) and 24 MHz (VCC1=3.0–5.5 V) bus clock frequencies, delivering 31.3 ns shortest instruction execution time. It integrates four DMAC channels with immediate, calculation, and chain transfer modes.
Its peripheral set includes five serial I/O channels (UART, clock-synchronous/asynchronous, IEBus, I²C), a 15-bit watchdog timer with prescaler, CRC-CCITT calculation circuit, X/Y 16×16-bit multiplier, and three-phase motor control logic - all operating under dual power domains (VCC1 and VCC2).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | M32C/80 series 16/32-bit RISC core with 108 instructions and 16-Mbyte addressing |
| Flash Memory | 512 KB on-chip Flash (F variant), programmable at 3.3 V ±0.3 V or 5.0 V ±0.5 V |
| A/D Converter | 10-bit resolution, 26 input channels, usable for analog sensor interfacing in motor feedback loops |
| CAN Interface | Single-channel CAN 2.0B-compliant controller supporting 1 Mbps data rate and message filtering |
| Package | 100-pin plastic LQFP (PRQP0100JB-A), 14 × 14 mm body, 0.5 mm pitch |
| Operating Temp | –20 °C to +85 °C ambient range, suitable for industrial and non-critical automotive applications |
| Power Supply | VCC1 = 4.2–5.5 V (core/IO), VCC2 = 3.0–VCC1 (analog domain), enabling mixed-signal isolation |
Pinout & Package
Package: 100-pin plastic LQFP (PRQP0100JB-A), 14 × 14 mm, 0.5 mm pitch, exposed pad not specified.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | Port 0 bidirectional I/O | Analog input (AN00–AN07) and digital I/O multiplexed; used for sensor inputs and general control |
| P60–P67 | Serial interface pins | UART0/1 (TxD/RxD), clock (CLK0/1), flow control (RTS/CTS), and SS0/SS1 for SPI-like communication |
| P70–P71 | Intelligent I/O / Open-drain | N-channel open-drain outputs for TA0OUT, STxD2, SCL2, RxD2 - configurable for level-shifting or wired-AND |
| P82–P83 | CAN transceiver interface | CAN0OUT and CAN0IN dedicated pins; require external CAN transceiver (e.g., SN65HVD230) for physical layer |
| P94–P97 | Serial peripheral interface | SS4/RTS4/CTS4, CLK4, ADTRG, RxD4/SCL4/STxD4 - support IEBus and I²C master/slave roles |
Key Features
| Feature | Design Value |
|---|---|
| Integrated CAN 2.0B | Enables robust, noise-immune vehicle network communication without external protocol IC |
| Five Serial I/O Channels | Supports concurrent UART, I²C, IEBus, and synchronous serial links for multi-peripheral connectivity |
| Three-Phase Motor Control Logic | Dedicated hardware for PWM generation, dead-time insertion, and fault monitoring in BLDC/PMSM drives |
| 10-Bit A/D with 26 Inputs | Allows simultaneous sampling of current, voltage, temperature, and position sensors in compact motor systems |
| Flash Endurance | 100 program/erase cycles across full memory space - sufficient for field firmware updates in industrial equipment |
Applications
| Automotive Body Control Module | Industrial HVAC Controller |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in passenger vehicles. IC Role / Device Role / Timing Role: Main system MCU executing real-time CAN message handling, PWM-driven actuator control, and analog sensor acquisition. Use Value: Integrated CAN, 26-channel A/D, and motor control logic reduce BOM count and PCB area versus discrete MCU + peripheral solutions. | Use Scenario: Closed-loop regulation of fan speed, damper position, and refrigerant flow in commercial HVAC units. IC Role / Device Role / Timing Role: Real-time PID computation engine with synchronized 10-bit A/D sampling and dual 8-bit D/A output for valve control. Use Value: On-chip DMAC offloads ADC-to-memory transfers, freeing CPU bandwidth for control algorithms during high-speed sampling. |
| Office Equipment Power Management | Factory Automation I/O Terminal |
Use Scenario: Standby power sequencing, thermal monitoring, and sleep/wake coordination in multifunction printers and copiers. IC Role / Device Role / Timing Role: Low-power supervisor MCU managing VCC1/VCC2 domains, watchdog reset, and oscillation stop detection. Use Value: 10 µA wait-mode current at 32 kHz BCLK enables energy-efficient idle states without external PMIC. | Use Scenario: Distributed digital I/O expansion node communicating via CAN bus with PLC master in packaging machinery. IC Role / Device Role / Timing Role: Protocol-aware edge controller translating CAN messages into parallel port toggles and analog output signals. Use Value: Built-in CRC-CCITT and interrupt priority (7 levels) ensure deterministic response to safety-critical I/O events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F566TEADFP | RX66T 32-bit core, 1.8–5.5 V single supply, 128 KB RAM, no on-chip Flash (requires external) | Targeted for high-precision servo drives with FPU and faster ADC (12-bit, 1.25 MSPS) | Select when needing floating-point math, higher ADC speed, or larger RAM - requires layout change and toolchain migration. |
| MB9BF568RPMC | Fujitsu FM3 32-bit ARM Cortex-M3, 512 KB Flash, 128 KB RAM, 100-pin LQFP, no CAN 2.0B (only CAN FD) | Designed for industrial IoT gateways requiring TLS stack and Ethernet MAC | Choose if CAN FD, Ethernet, or RTOS-ready memory footprint is required - not drop-in due to CAN protocol mismatch. |
Compared with R5F566TEADFP and MB9BF568RPMC, the M30843FJFP#U3 offers proven CAN 2.0B integration, lower system cost via on-chip Flash, and mature toolchain support - making it optimal for cost-sensitive, CAN-centric embedded control where upgrade path to CAN FD or FPU is not required.
Availability
M30843FJFP#U3 is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor drives, office equipment power management, and factory automation I/O terminals requiring stable component supply across extended product lifecycles.
Supply support for M30843FJFP#U3 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 formed in 2010 through the merger of NEC Electronics and Renesas Technology, specializing in microcontrollers, analog, and power solutions.
The M32C/84 group was designed for cost-effective, real-time embedded control in automotive sub-systems and industrial equipment where CAN connectivity, analog integration, and Flash programmability are essential.
FAQ
What is the maximum operating frequency of the M30843FJFP#U3?
The M30843FJFP#U3 supports a maximum bus clock (BCLK) frequency of 32 MHz at VCC1 = 4.2–5.5 V, achieving a shortest instruction execution time of 31.3 ns. At reduced supply (VCC1 = 3.0–5.5 V), it operates up to 24 MHz with 41.7 ns minimum instruction time - verified in Renesas REJ03B0047-0121 Rev.1.21.
Does the M30843FJFP#U3 include an internal oscillator?
Yes, the M30843FJFP#U3 includes an on-chip oscillator circuit alongside main/sub crystal oscillator inputs (XIN/XOUT, XCIN/XCOUT) and a PLL frequency synthesizer - enabling flexible clock source selection without external crystals for basic timing, though external resonators are required for CAN-compliant accuracy.
How many analog input channels does the M30843FJFP#U3 support?
The M30843FJFP#U3 integrates a 10-bit A/D converter with 26 analog input channels, as confirmed for the 100-pin package in Table 1.2 of the official datasheet. This matches the pin count and analog-capable pins (P00–P07, P100–P107, P150–P157, ANEX0/ANEX1) shown in Figure 1.4.
Is the M30843FJFP#U3 pin-compatible with other M32C/84 family members?
The M30843FJFP#U3 uses the 100-pin PRQP0100JB-A package and shares identical pinout with other 100-pin M32C/84 variants (e.g., M30842FJFP#U3, M30841FJFP#U3), including function-mapped ports, CAN, serial, and A/D pins - confirmed by Figures 1.4 and 1.5 in REJ03B0047-0121.
What development tools support the M30843FJFP#U3?
Renesas provides full toolchain support for the M30843FJFP#U3 via the M32C/80 Series C Compiler (PM+), High-performance Embedded Workshop (HEW), and E8/E8a debug emulators - all documented in Renesas Application Note R01AN0019EJ0100.
M30843FJFP#U3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-BQFP
- Series:
- M16C™ M32C/80/84
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- Programmable:
- Not Verified
- Core Processor:
- M32C/80
- Core Size:
- 16/32-Bit
- Speed:
- 32MHz
- Connectivity:
- CANbus, I2C, IEBus, SIO, UART/USART
- Peripherals:
- DMA, PWM, WDT
- Number of I/O:
- 85
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 24K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 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:
M30843FJFP#U3 FAQ
1.How can I place an order for M30843FJFP#U3 through Aetrix?
Please submit a Request for Quotation (RFQ) for M30843FJFP#U3 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 M30843FJFP#U3 reliable?
The price and inventory of M30843FJFP#U3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M30843FJFP#U3 is usually 5 days.
3.What payment methods are accepted for M30843FJFP#U3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for M30843FJFP#U3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for M30843FJFP#U3?
M30843FJFP#U3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your M30843FJFP#U3 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 M30843FJFP#U3?
For technical support, including M30843FJFP#U3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M30843FJFP#U3 requirements.
6.How does Aetrix verify that M30843FJFP#U3 is sourced from the original manufacturer or authorized distributors?
All M30843FJFP#U3 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 M30843FJFP#U3 meets industry standards.
7.What is the process for return or replacement of M30843FJFP#U3?
All M30843FJFP#U3 units undergo pre-shipment inspection (PSI). If there is an issue with M30843FJFP#U3, 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 M30843FJFP#U3 part is unused and in its original packaging.
Return procedure for M30843FJFP#U3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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