Renesas M30290FCTHP#U7A

Overview

M30290FCTHP#U7A 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-bit CPU core operating at up to 20 MHz, and integrated peripherals including UART, I²C, 10-bit ADC, and PWM timers. It targets motor control and sensor interface applications requiring deterministic real-time response.

For engineers reviewing the M30290FCTHP#U7A datasheet, M30290FCTHP#U7A pinout, M30290FCTHP#U7A application, or M30290FCTHP#U7A equivalent, key selection criteria include its 100-pin LQFP package, 3.3 V single-supply operation, brown-out detection reset, on-chip debug support via JTAG, and compliance with industrial temperature range (−40°C to +85°C).

Technical Context

The M30290FCTHP#U7A implements the M16C CPU architecture with 16-bit data bus and 24-bit address space, supporting both CISC instruction set and bit manipulation instructions for efficient peripheral control. It integrates a PLL clock generator enabling flexible system clock derivation from external crystal (1–10 MHz) or internal oscillator, with selectable CPU clock frequencies up to 20 MHz.

Its peripheral suite includes three 16-bit timer/counters with capture/compare and PWM output capability, a 10-channel 10-bit successive-approximation ADC with conversion time of 1.2 μs, and dual serial interfaces (UART and I²C) supporting master/slave modes. Memory protection is enforced via on-chip ROM write protection and flash lock bits.

Key Specifications

Pinout & Package

Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F102BAASP#30 and MB9BF516RPMC-G-SNE2, the M30290FCTHP#U7A offers superior deterministic timing for motor control via dedicated hardware PWM and faster ADC sampling, while maintaining lower toolchain complexity and smaller memory footprint for legacy C-based firmware.

Availability

M30290FCTHP#U7A is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, home appliance UI controllers, and PLC I/O modules requiring stable component supply across multi-year production cycles.

Supply support for M30290FCTHP#U7A 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 automotive, industrial, and IoT markets.

The M16C/29 Group, including the M30290FCTHP#U7A, was engineered for cost-sensitive, real-time embedded control in industrial equipment and consumer appliances - emphasizing deterministic timing, integrated peripherals, and robust flash reliability.

FAQ

What is the maximum operating frequency of the M30290FCTHP#U7A?

The M30290FCTHP#U7A supports a maximum CPU clock frequency of 20 MHz, achievable via its on-chip PLL when driven by an external 1–10 MHz crystal on XT1/XT2. This frequency is guaranteed across the full industrial temperature range (−40°C to +85°C) and 3.0–3.6 V supply voltage. The M30290FCTHP#U7A delivers up to 16 MIPS at this speed, enabling responsive real-time control loops without external clock synthesis.

Does the M30290FCTHP#U7A support in-system programming (ISP)?

Yes, the M30290FCTHP#U7A supports in-system programming via its on-chip bootloader and standard UART interface. Firmware updates can be performed without removing the device from the PCB, using Renesas Flash Development Toolkit (FDT) or custom host-side utilities. The M30290FCTHP#U7A's 256 KB flash memory is organized into 1 KB sectors, allowing selective erase and reprogramming while preserving critical configuration data in protected regions.

What debug interfaces does the M30290FCTHP#U7A provide?

The M30290FCTHP#U7A provides a full JTAG interface (TDI, TDO, TCK, TMS, TRST) compliant with IEEE 1149.1, enabling real-time debugging, flash programming, and boundary-scan testing. It supports hardware breakpoints, watchpoints, and register visibility through Renesas E1/E20 emulators and CS+ IDE. The M30290FCTHP#U7A does not support SWD or serial-wire debug; JTAG is the sole standardized debug path.

Is the M30290FCTHP#U7A qualified for automotive applications?

No, the M30290FCTHP#U7A is rated for industrial use only (Standard quality grade per Renesas classification) and is not AEC-Q100 qualified. It is intended for applications such as industrial machinery, home appliances, and test equipment - not for automotive powertrain, chassis, or ADAS systems. For automotive-grade alternatives, Renesas recommends the RL78/F1x or RH850/F1K families, which undergo extended temperature and reliability validation.

What are the power supply requirements for the M30290FCTHP#U7A?

The M30290FCTHP#U7A operates from a single 3.0 V to 3.6 V supply, with separate VCC and VSS pins for analog and digital domains. It requires decoupling capacitors (100 nF ceramic + 10 μF tantalum) near each VCC pin. The device draws 25 mA typical at 20 MHz/3.3 V in active mode, and less than 1 μA in Stop mode with sub-clock active. The M30290FCTHP#U7A includes an internal voltage regulator for core logic, eliminating need for external LDO in most designs.