Renesas M3030RFCPGP#33

Overview

M3030RFCPGP#33 from Renesas Electronics is a 16-bit single-chip microcontroller in the M16C/28 Group, featuring 256 KB on-chip flash memory, 16 KB RAM, and a maximum CPU clock of 20 MHz. It integrates UART, I²C-compatible serial interface (IEBus), 10-bit ADC with 16 channels, and 16-bit PWM timers. It targets industrial control panels requiring deterministic real-time response and embedded HMI interfaces.

For engineers reviewing the M3030RFCPGP#33 datasheet, M3030RFCPGP#33 pinout, M3030RFCPGP#33 application, or M3030RFCPGP#33 equivalent, key selection considerations include its 100-pin LQFP package, integrated IEBus support for legacy industrial equipment interconnection, flash endurance of 10,000 write/erase cycles, and compliance with Renesas Standard quality grade for industrial automation applications.

Technical Context

The M3030RFCPGP#33 implements the M16C CPU core with 16-bit data bus and 24-bit address bus, supporting both CISC instruction set and on-chip debug functionality via dedicated pins. Its clock system includes main crystal oscillator (1–20 MHz), sub-oscillator (32.768 kHz), and PLL for internal clock multiplication up to 20 MHz.

Peripheral integration includes three 16-bit timer/counters (TMR0–TMR2), two serial interface units (SIO0/SIO1) configurable as UART or IEBus, and a 10-bit successive-approximation ADC with sample-and-hold circuitry and programmable conversion start triggers.

Key Specifications

Pinout & Package

Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), thermally enhanced with exposed pad (EPAD) connected to VSS.

Key Features

Applications

Equivalent & Alternatives

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

Compared with M3030RFCPGP#33, R5F102BAANA#U0 offers higher clock speed and lower active current but requires firmware adaptation for IEBus, while M30624FGPFP#U3 provides pin-compatible drop-in replacement with reduced feature set-ideal for legacy design continuity without re-layout.

Availability

M3030RFCPGP#33 is available at Aetrix Electronics and suitable for industrial PLC I/O modules, factory floor HMI terminals, and legacy equipment retrofit controllers requiring stable component supply and long-term lifecycle support.

Supply support for M3030RFCPGP#33 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 Japanese semiconductor manufacturer formed in 2010 through the merger of NEC Electronics and Renesas Technology, specializing in microcontrollers, analog, and power management ICs.

The M16C family-including M3030RFCPGP#33-is designed for industrial automation and embedded control applications demanding high reliability, real-time responsiveness, and legacy bus compatibility such as IEBus and UART.

FAQ

What is the maximum operating frequency of the M3030RFCPGP#33?

The M3030RFCPGP#33 supports a maximum CPU clock frequency of 20 MHz, achieved via its on-chip PLL circuit multiplying the input from an external crystal (1–20 MHz) or sub-oscillator. This frequency enables deterministic real-time execution of control loops and serial protocol handling without external clock buffers. The M3030RFCPGP#33 maintains timing accuracy across the full industrial temperature range (−40°C to +85°C) with proper decoupling and layout.

Does the M3030RFCPGP#33 support IEBus communication natively?

Yes, the M3030RFCPGP#33 includes dedicated hardware IEBus controller circuitry compliant with NEC IEBus Rev. 2.0 specification. It handles physical layer signaling (CLK/DA/DB), frame formatting, CRC generation/checking, and arbitration automatically-eliminating software overhead. This capability is confirmed in the M16C/28 Group Hardware Manual Rev.2.00 and applies specifically to the M3030RFCPGP#33 variant with 100-pin LQFP packaging.

What is the flash memory endurance rating for the M3030RFCPGP#33?

The M3030RFCPGP#33 features 256 KB of on-chip flash memory rated for 10,000 write/erase cycles per sector, verified per Renesas' standard qualification testing. This endurance supports field firmware updates and data logging in industrial applications. The M3030RFCPGP#33 also supports block erase and byte-programming operations, with built-in erase suspend/resume functionality for robust in-system programming.

Is the M3030RFCPGP#33 qualified for automotive applications?

No, the M3030RFCPGP#33 is classified as a Renesas Standard quality grade device intended for industrial equipment, office automation, and communications systems-not transportation or safety-critical applications. Its datasheet and hardware manual explicitly exclude automotive use, and it lacks AEC-Q100 qualification. For automotive designs, Renesas recommends RL78/F1x or RH850 families instead of the M3030RFCPGP#33.

What debug interface does the M3030RFCPGP#33 provide?

The M3030RFCPGP#33 integrates a dedicated on-chip debug interface using four dedicated pins (BKPT, DBG, RES, VDD) that support non-intrusive real-time tracing, hardware breakpoints, and memory inspection without halting peripheral operation. This interface is fully supported by Renesas E1/E20 emulators and CS+ IDE. Unlike SWD or JTAG, this debug architecture is specific to the M16C family and is documented in the M16C/28 Group Hardware Manual section "On-Chip Debug Function".