Renesas M30290FAHP#U5A

Overview

M30290FAHP#U5A from Renesas Electronics is a 16-bit CMOS microcontroller in the M16C/29 Group, designed for embedded control in industrial and consumer systems. It integrates 256 KB on-chip flash memory, 16 KB RAM, a 16-bit CPU core operating at up to 20 MHz, and peripheral functions including UART, I²C-compatible serial interface, 10-bit ADC, and PWM timers. It targets motor control, power supply management, and appliance control applications.

For engineers reviewing the M30290FAHP#U5A datasheet, M30290FAHP#U5A pinout, M30290FAHP#U5A application, or M30290FAHP#U5A equivalent, key selection criteria include its 100-pin LQFP package, 20 MHz max CPU clock, 10-bit 16-channel ADC resolution and conversion time, integrated watchdog timer with window function, and support for both hardware and software reset sources.

Technical Context

The M30290FAHP#U5A implements the M16C CPU architecture with 16-bit data bus and 24-bit address space, enabling direct access to its full 256 KB flash and 16 KB RAM. Its clock system supports main crystal (1–20 MHz), sub-crystal (32.768 kHz), and on-chip oscillator modes, with PLL multiplication for higher internal CPU clocks.

Peripheral integration includes three 16-bit timer/counters (with PWM output capability), a 10-bit successive-approximation ADC with 16 input channels and 1.2 µs typical conversion time, and dual serial interfaces supporting UART and I²C protocols. Reset management includes hardware reset, brown-out detection, watchdog timer, and oscillation stop detection.

Key Specifications

Pinout & Package

This device is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad, optimized for surface-mount assembly and moderate-power thermal dissipation in industrial control modules.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F102AAASP#30 and MB9BF506RPMC-G-SNE2, the M30290FAHP#U5A offers superior on-chip memory density and mature M16C ecosystem support for legacy industrial firmware maintenance, while trading off power efficiency and modern interface breadth.

Availability

M30290FAHP#U5A is available at Aetrix Electronics and suitable for motor control systems, industrial power supplies, and home appliance control requiring stable component supply and long-term manufacturing continuity.

Supply support for M30290FAHP#U5A 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 Japan, specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The M16C/29 Group, including M30290FAHP#U5A, was engineered for deterministic real-time control in cost-sensitive industrial and consumer equipment, emphasizing robustness, integrated peripherals, and long-lifecycle support.

FAQ

What is the maximum operating frequency of the M30290FAHP#U5A?

The M30290FAHP#U5A supports a maximum CPU clock frequency of 20 MHz. This is achieved using the on-chip PLL to multiply an external crystal (1–20 MHz) or the internal oscillator. The 20 MHz operation enables fast instruction execution (1-cycle per instruction for most operations) and timely response in real-time control loops. All timing specifications in the M30290FAHP#U5A datasheet assume this maximum frequency condition.

Does the M30290FAHP#U5A include on-chip flash memory, and can it be programmed in-system?

Yes, the M30290FAHP#U5A integrates 256 KB of on-chip flash memory that supports in-system programming (ISP) via the single-wire background debugger (BDM) interface. This allows field firmware updates without removing the device from the PCB. The flash is organized into blocks with individual erase capability, and write/erase cycles are rated for 10,000 cycles. The M30290FAHP#U5A also includes flash lock bits to prevent unauthorized access or modification.

What ADC capabilities does the M30290FAHP#U5A provide?

The M30290FAHP#U5A features a 10-bit successive-approximation ADC with 16 selectable input channels. It achieves a typical conversion time of 1.2 µs and supports simultaneous sampling triggers from internal timers. Input voltage range is 0 V to VREF (externally configurable, up to VCC). The ADC includes built-in offset calibration and supports scan mode for automatic sequential channel conversion - critical for multi-sensor monitoring in motor control and power supply applications using the M30290FAHP#U5A.

How does the M30290FAHP#U5A handle power supply instability?

The M30290FAHP#U5A incorporates a programmable brown-out detection (BOD) circuit with three selectable thresholds (2.7 V, 3.3 V, 4.0 V). When supply voltage drops below the selected threshold, the BOD asserts a reset or generates an interrupt, allowing firmware to execute safe shutdown routines. Combined with its 2.7–5.5 V operating range and on-chip voltage detector, the M30290FAHP#U5A ensures reliable operation across fluctuating industrial power rails without external supervision circuitry.

Is the M30290FAHP#U5A pin-compatible with other devices in the M16C/29 Group?

Yes, the M30290FAHP#U5A shares the same 100-pin LQFP package and pin assignment with other members of the M16C/29 Group, such as M30290FSP#U5A and M30290FJHP#U5A. Pin compatibility extends to power, reset, clock, and primary peripheral signals (UART, ADC inputs, timer outputs). Differences between variants lie in memory size, peripheral enablement, and internal fuse settings - not pin function mapping - enabling flexible design reuse and migration paths within the M16C/29 family.