Renesas M30290FCTHP#U3A

Overview

M30290FCTHP#U3A from Renesas Electronics is a 16-bit CMOS microcontroller in the M16C/29 Group, designed for embedded control in industrial and consumer systems. It features 256 KB on-chip flash memory, 16 KB RAM, a 16-MHz max CPU clock, and integrated peripherals including UART, I²C, 10-bit ADC, and PWM timers. It operates from 2.7 V to 5.5 V and supports single-supply operation in standard-grade applications.

For engineers reviewing the M30290FCTHP#U3A datasheet, M30290FCTHP#U3A pinout, M30290FCTHP#U3A application, or M30290FCTHP#U3A equivalent, key selection criteria include its 100-pin LQFP package, 16-bit M16C core architecture, flash endurance (10,000 write/erase cycles), operating temperature range (−40°C to +85°C), and support for in-circuit debugging via on-chip debug interface.

Technical Context

The M30290FCTHP#U3A implements the M16C/29 Group instruction set with 16-bit data bus width and Harvard architecture-derived memory mapping. It integrates a 16-bit CPU core, on-chip flash memory with boot swap functionality, and peripheral modules including three 16-bit timer/counters, two serial interfaces (UART and I²C), and a 12-channel 10-bit ADC with sample-and-hold.

It supports multiple power-saving modes-Wait, Stop, and Deep Stop-with brown-out detection reset and voltage detection interrupt. Clock sources include main crystal (1–20 MHz), sub-crystal (32.768 kHz), and on-chip oscillator (1 MHz), with PLL-based CPU clock multiplication up to 16 MHz.

Key Specifications

Pinout & Package

Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, plastic body with exposed thermal pad (not electrically connected).

Key Features

Applications

Equivalent & Alternatives

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

Compared with M30290FCTHP#U3A, R5F102MAASP#30 offers lower active power and modern toolchain support but sacrifices IEBus integration; MB95560PFT-G-SNE1 delivers significantly higher compute bandwidth at the cost of increased board area and thermal management complexity.

Availability

M30290FCTHP#U3A is available at Aetrix Electronics and suitable for industrial motor control, home appliance MCU, factory automation I/O modules, and building energy management systems requiring stable component supply across multi-year production cycles.

Supply support for M30290FCTHP#U3A 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 headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and infrastructure markets.

The M16C/29 Group targets cost-sensitive, high-reliability embedded control applications where deterministic real-time response, long product life, and mature toolchain stability are prioritized over raw processing throughput.

FAQ

What is the maximum operating frequency of the M30290FCTHP#U3A?

The M30290FCTHP#U3A supports a maximum CPU clock frequency of 16 MHz, achievable via internal PLL multiplication from an external 4 MHz crystal or direct clock input. This frequency is guaranteed across the full operating temperature range (−40°C to +85°C) and supply voltage (2.7 V to 5.5 V). The M30290FCTHP#U3A's timing specifications-including instruction cycle time, peripheral response latency, and ADC conversion rate-are all validated at this 16-MHz maximum.

Does the M30290FCTHP#U3A support in-system programming (ISP)?

Yes, the M30290FCTHP#U3A supports in-system programming via its on-chip debug interface using Renesas Flash Development Toolkit (FDT) and compatible debug adapters. ISP allows full flash memory reprogramming-including code, configuration bits, and user signature area-without removing the M30290FCTHP#U3A from the target board. The M30290FCTHP#U3A implements boot swap functionality to ensure safe firmware updates with atomic commit and fallback capability.

What peripheral interfaces are integrated into the M30290FCTHP#U3A?

The M30290FCTHP#U3A integrates UART (2 channels), I²C (1 channel), 16-bit timer/counters (3 units), 10-bit ADC (12 channels), PWM output (6 channels), and dedicated IEBus controller (1 channel). It also includes a watchdog timer, voltage detection circuit, and on-chip oscillators. These peripherals are mapped to specific pins in the 100-pin LQFP package and configured via special function registers documented in the M16C/29 Group Hardware Manual. No external interface ICs are required for basic serial communication or motor control when using the M30290FCTHP#U3A.

Is the M30290FCTHP#U3A qualified for automotive applications?

No, the M30290FCTHP#U3A is classified as a Standard-grade Renesas product intended for industrial, office, and consumer equipment-not automotive or safety-critical systems. Its qualification excludes AEC-Q100 testing, extended temperature range beyond +85°C, and automotive-specific fault diagnostics. For automotive use cases, Renesas recommends the RH850 or RL78/F1x families. The M30290FCTHP#U3A datasheet explicitly states it is not designed for transportation equipment or safety systems, and its quality grade does not meet "High Quality" requirements.

What debug tools are compatible with the M30290FCTHP#U3A?

The M30290FCTHP#U3A is supported by Renesas E1/E20 emulators and the CS+ (formerly High-performance Embedded Workshop) IDE. Debugging uses the single-wire on-chip debug interface, enabling breakpoints, step execution, register/memory inspection, and flash programming. Third-party tools with Renesas debug protocol compliance (e.g., Segger J-Link with appropriate firmware) may also interface with the M30290FCTHP#U3A, though official Renesas toolchains provide full validation. All debug operations require connection to the dedicated debug pins (TCK, TDI, TDO, TMS, RESET) defined in the M30290FCTHP#U3A pinout.