Renesas M32182F3TFP#U0

Overview

M32182F3TFP from Renesas Technology Corp. is a 32-bit RISC microcontroller with M32R-FPU core, 384 KB on-chip flash memory, 64 KB RAM, and dual Full-CAN 2.0B interfaces-designed for industrial control systems requiring high-precision floating-point computation and real-time deterministic communication at up to 80 MHz CPU clock (−40°C to +85°C).

For engineers reviewing the M32182F3TFP datasheet, M32182F3TFP pinout, M32182F3TFP application, or M32182F3TFP equivalent, this page delivers verified technical context, validated pin functions, confirmed operating conditions, and documented alternative options for embedded control designs in automotive subsystems, industrial PLCs, and high-function OA equipment.

Technical Context

The M32182F3TFP implements a five-stage pipelined M32R-FPU core compliant with IEEE 754 single-precision floating-point arithmetic-including FMADD/FMSUB instructions-and integrates a ×8 PLL clock generator accepting 10 MHz XIN input to achieve 80 MHz CPU clock and 20 MHz BCLK. It supports linear 4 GB address space with 16-bit external data bus and 20-bit address bus (A11–A30).

Peripheral integration includes 37-channel multijunction timers (11 TOP, 10 TIO, 8 TMS, 8 TML), 12-channel 10-bit A-D converters with sample-and-hold and disconnection detection, 10-channel DMAC supporting cascaded transfers, four serial I/O channels (two UART-only), Real-time Debugger (RTD) with independent RAM access, and JTAG/SDI debug interface-all operating from a single 3.3 V ±0.3 V or 5 V ±0.5 V supply.

Key Specifications

Pinout & Package

144-pin LQFP package (144P6Q-A, 0.5 mm pitch) with exposed thermal pad; designed for industrial PCB layouts requiring mechanical robustness and thermal dissipation up to +85°C ambient.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 32-bit microcontroller applications.

Compared with R5F566TEADFP and SH7269R, the M32182F3TFP uniquely combines hardware IEEE 754 FPU, dual Full-CAN 2.0B, and deterministic 80 MHz real-time execution in a single 144-pin LQFP-making it optimal for cost-sensitive industrial and automotive subsystems where floating-point accuracy and CAN coexistence are mandatory.

Availability

M32182F3TFP is available at Aetrix Electronics and suitable for industrial PLCs, automotive ECU subsystems, and high-function OA equipment requiring stable component supply across extended product lifecycles.

Supply support for M32182F3TFP 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 Technology Corp. (now part of Renesas Electronics Corporation) was formed in 2003 through the merger of Hitachi and Mitsubishi Electric's semiconductor operations, specializing in high-reliability microcontrollers for industrial and automotive markets.

The 32182 Group was developed as a high-precision, real-time embedded controller line targeting industrial automation, engine management, and advanced office equipment-emphasizing IEEE-compliant floating-point performance, CAN connectivity, and on-chip programmable memory.

FAQ

What is the maximum operating frequency and temperature range for the M32182F3TFP?

The M32182F3TFP operates at a maximum CPU clock frequency of 80 MHz within an ambient temperature range of −40°C to +85°C. This rating applies specifically to the M32182F3TFP variant; the VFP suffix variants support 64 MHz up to +125°C. The 80 MHz specification assumes proper decoupling, thermal layout, and stable 3.3 V or 5 V supply per datasheet Section 4.

Does the M32182F3TFP include a hardware floating-point unit, and is it IEEE 754 compliant?

Yes, the M32182F3TFP integrates a hardware single-precision floating-point unit (FPU) fully compliant with the IEEE 754 standard. It supports all five exceptions (invalid operation, division by zero, overflow, underflow, inexact) and four rounding modes. The FPU shares the 16 general-purpose registers, eliminating data movement overhead during floating-point computation in the M32182F3TFP.

How many CAN interfaces does the M32182F3TFP support, and what protocol version is implemented?

The M32182F3TFP supports two independent Full-CAN modules compliant with CAN Specification 2.0B active. Each module provides 16 message object buffers and full arbitration, error handling, and retransmission logic. Physical layer interfacing requires external CAN transceivers connected to CTX0/CRX0 and CTX1/CRX1 pins-no internal transceiver is integrated in the M32182F3TFP.

What is the flash memory size and endurance specification for the M32182F3TFP?

The M32182F3TFP contains 384 KB of on-chip flash memory with a rated endurance of 100 write/erase cycles per sector. It supports in-system programming (ISP) via on-chip boot loader, enabling firmware updates without removing the device from the PCB. The flash is organized to allow sector-level erasure and byte/word programming-verified in M32182F3TFP datasheet Table 1 and Section 4.

What debug interfaces are available on the M32182F3TFP, and how do they differ?

The M32182F3TFP provides two distinct debug interfaces: JTAG (IEEE 1149.1 boundary scan with Mitsubishi SDI extension) for structural testing and firmware download, and Real-time Debugger (RTD) - a dedicated clock-synchronized serial interface allowing full RAM read/write and interrupt generation independent of CPU execution. Both are physically implemented and functionally validated in the M32182F3TFP silicon.