Renesas UPD70F3558AM1GMA1-GBK-AX

Overview

UPD70F3558AM1GMA1-GBK-AX from Renesas Electronics is a 32-bit V850E2/Fx4-G microcontroller featuring 512 KB on-chip code flash, 64 KB RAM, and integrated peripherals including DMA controller, interrupt controller, and port filter logic. It operates at up to 40 MHz, supports multiple low-power modes, and targets embedded control in industrial and office equipment. The device implements the V850E2 CPU core with MPU, memory protection, and flash self-programming capability.

For engineers reviewing the UPD70F3558AM1GMA1-GBK-AX datasheet, UPD70F3558AM1GMA1-GBK-AX pinout, UPD70F3558AM1GMA1-GBK-AX application, or UPD70F3558AM1GMA1-GBK-AX equivalent, key selection considerations include its 512 KB code flash size, 40 MHz max clock frequency, V850E2 CPU architecture, support for flash self-programming, and qualification for Standard-grade applications per Renesas' quality classification.

Technical Context

The UPD70F3558AM1GMA1-GBK-AX belongs to the V850E2/Fx4-G family and implements the V850E2 CPU core with 32-bit RISC architecture, 16/32-bit instruction set, and Harvard memory organization. It integrates a Memory Protection Unit (MPU), back-up RAM (BURAM), and programmable port filters for noise suppression on digital inputs.

Its system architecture includes a PBUS-based interconnect supporting CPU, DMA, and peripheral access with configurable wait states for flash and RAM. The device supports four operation modes - normal, debug, flash programming, and stand-by - with dedicated mode pins (JP0) and power/clock domain partitioning for low-power execution.

Key Specifications

Pinout & Package

UPD70F3558AM1GMA1-GBK-AX is housed in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are configurable via port control registers and include general-purpose I/O, external interrupt inputs, clock inputs, reset, debug interface (NMI, OCD), and peripheral signals for UART, CAN, and timer modules.

Key Features

Applications

Equivalent & Alternatives

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

Compared with UPD70F3558AM1GMA1-GBK-AX, R5F565NEHDFB trades deterministic V850E2 execution and MPU security for lower active current, while UPD70F3572M1GJA1-UEU-AX offers direct architectural continuity with increased memory and I/O - enabling firmware reuse but requiring mechanical rework.

Availability

UPD70F3558AM1GMA1-GBK-AX is available at Aetrix Electronics and suitable for industrial PLC I/O modules, office equipment controllers, and test & measurement front-ends requiring stable component supply, long-term lifecycle assurance, and Standard-grade qualification.

Supply support for UPD70F3558AM1GMA1-GBK-AX 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 enterprise applications.

The V850E2/Fx4-G product line delivers high-integrity 32-bit control for industrial automation, office equipment, and instrumentation - emphasizing deterministic real-time response, flash reliability, and hardware-assisted safety features.

FAQ

What is the maximum operating frequency of the UPD70F3558AM1GMA1-GBK-AX?

The UPD70F3558AM1GMA1-GBK-AX operates at a maximum clock frequency of 40 MHz. This specification is validated under the full rated voltage range (2.7 V to 5.5 V) and ambient temperature conditions defined in Renesas' official electrical characteristics table. Performance-critical applications must ensure stable clock source and proper decoupling to sustain this rate reliably.

Does the UPD70F3558AM1GMA1-GBK-AX support in-system flash programming?

Yes, the UPD70F3558AM1GMA1-GBK-AX supports flash self-programming via its built-in self-programming library. This enables firmware updates in the field without external programming hardware. Implementation requires careful handling of interrupt masking, BURAM usage for temporary code staging, and adherence to Renesas' secure boot cluster swapping protocol to prevent corruption.

What package type is used for the UPD70F3558AM1GMA1-GBK-AX?

The UPD70F3558AM1GMA1-GBK-AX uses a 100-pin LQFP package measuring 14 mm × 14 mm with 0.5 mm lead pitch and an exposed thermal pad. This package is RoHS-compliant and designed for reflow soldering on standard FR-4 PCBs. Thermal pad soldering is required for optimal junction temperature management in continuous operation.

Is the UPD70F3558AM1GMA1-GBK-AX qualified for automotive applications?

No, the UPD70F3558AM1GMA1-GBK-AX is classified as a Standard-grade device per Renesas' quality grading system. It is intended for computers, office equipment, test instruments, audio/video gear, and industrial robots - not for transportation or safety-critical automotive use. Automotive-grade alternatives require explicit "High Quality" or AEC-Q100 qualification stated in their part number or datasheet.

How does the port filter function work on the UPD70F3558AM1GMA1-GBK-AX?

The UPD70F3558AM1GMA1-GBK-AX implements configurable digital input filters per port group, using clock-synchronized sampling to reject short-duration noise pulses. Each filter can be enabled/disabled and assigned a programmable sampling count (1–15 cycles), effectively acting as a glitch rejection circuit for industrial I/O lines subject to EMI or contact bounce.