Renesas M30800FCFP#D5

Overview

M30800FCFP#D5 from Renesas Electronics is a 16-bit single-chip microcontroller belonging to the M16C/80 Group, featuring 256 KB on-chip Flash memory, 16 KB RAM, and integrated peripherals including UARTs, timers (A/B), A/D converter, and programmable I/O ports. It operates at up to 20 MHz with supply voltage range of 2.7–5.5 V and targets embedded control in industrial equipment and consumer appliances.

For engineers reviewing the M30800FCFP#D5 datasheet, M30800FCFP#D5 pinout, M30800FCFP#D5 application, or M30800FCFP#D5 equivalent, key selection criteria include its 100-pin LQFP package, 10-bit 16-channel A/D converter, three-phase motor control timer support, and compatibility with Renesas' M16C development tools and debug monitors.

Technical Context

The M30800FCFP#D5 implements the M16C CPU core with 16-bit data bus and 24-bit address bus, supporting both minimum and maximum mode operation via external bus interface. It integrates a system clock generator with main clock (1–20 MHz crystal), sub-clock (32.768 kHz), and on-chip oscillator options.

Peripheral subsystems include four UART channels (UART0–UART4), five 16-bit Timer B units for general-purpose timing and PWM, three Timer A units with capture/compare capability, and a dedicated three-phase motor control timer block with dead-time insertion and output buffer registers.

Key Specifications

Pinout & Package

Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, surface-mount.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit microcontroller applications.

Compared with M30800FCFP#D5, the R5F100LEAFB#30 offers superior energy efficiency but sacrifices motor-specific peripherals, while the UPD70F3378GC-UEU-AX provides greater memory and CAN capability at the cost of increased board area and complexity-making M30800FCFP#D5 optimal for cost-sensitive, space-constrained industrial motor control designs.

Availability

M30800FCFP#D5 is available at Aetrix Electronics and suitable for industrial motor control, home appliance MCU, factory automation I/O modules, and smart power metering requiring stable component supply and long-term lifecycle support.

Supply support for M30800FCFP#D5 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 industrial, automotive, and enterprise applications.

The M16C/80 Group was designed for high-reliability embedded control in cost-sensitive industrial and consumer systems, emphasizing integration of motor control, communication, and analog interfaces in a single 16-bit platform.

FAQ

What is the maximum operating frequency of the M30800FCFP#D5?

The M30800FCFP#D5 supports a maximum system clock (BCLK) frequency of 20 MHz, achieved using an external crystal (1–20 MHz) connected to XT1/XT2 pins or an external clock source on EXCLK. This frequency enables deterministic execution of real-time control tasks such as three-phase motor commutation and A/D sampling within strict timing windows. The M30800FCFP#D5 maintains full functionality-including all peripherals and interrupt latency guarantees-at this rated speed.

Does the M30800FCFP#D5 support in-system programming of its Flash memory?

Yes, the M30800FCFP#D5 supports CPU rewrite mode, allowing Flash memory to be reprogrammed while the device is operating in the target system-no external programmer is required. This capability is used for firmware updates, calibration data storage, and field configuration. The M30800FCFP#D5 implements sector protection and write-enable sequences to prevent accidental erasure, and all Flash operations comply with Renesas' specified timing and voltage requirements.

How many UART channels does the M30800FCFP#D5 integrate, and what protocols do they support?

The M30800FCFP#D5 integrates five independent UART channels (UART0 through UART4), each supporting full-duplex asynchronous communication with programmable baud rates, parity, and stop bits. UART2–UART4 additionally support SIM interface compliance, NACK/ACK handshake, and bus collision detection-enabling robust multi-drop communication in industrial networks. The M30800FCFP#D5 does not include native CAN or LIN, but UART-based protocols like Modbus RTU are fully implementable.

What peripheral features make the M30800FCFP#D5 suitable for three-phase motor control?

The M30800FCFP#D5 includes dedicated hardware for three-phase motor control: a three-phase PWM output block with complementary signal generation, programmable dead-time insertion (DTT register), fault input (FT pin) for immediate shutdown, and output buffer registers (IDB0/IDB1) for safe state management. These features are implemented in hardware and require no CPU intervention during runtime-reducing jitter and improving reliability. The M30800FCFP#D5 also provides synchronized A/D triggering for current sensing aligned with PWM cycles.

Is the M30800FCFP#D5 pin-compatible with other members of the M16C/80 Group?

The M30800FCFP#D5 uses a 100-pin LQFP package shared with several M16C/80 Group variants (e.g., M30801, M30802), but pin assignments differ across models due to varying peripheral sets and memory configurations. While mechanical footprint is identical, signal mapping-including UART, timer, and A/D channel allocations-is not guaranteed across part numbers. Engineers must verify pin compatibility using the specific M30800FCFP#D5 hardware manual and cannot assume drop-in replacement without schematic and layout review.