R5F212BASDFA#V2 Equivalent & Substitute Parts

Part Overview

The R5F212BASDFA#V2 is a 16-bit microcontroller from Renesas Electronics Corporation's R8C/2x/2B series, featuring 96KB FLASH memory and operating at 20MHz. This device is classified as Obsolete, making identification of compatible substitute parts essential for ongoing system support and new design alternatives. The R8C architecture provides integrated connectivity options including I2C, LINbus, SIO, SSU, and UART/USART interfaces, along with analog and digital peripherals suitable for embedded control applications.

Substiute Parts

R5F212BASDFA#V2

Renesas Electronics CorporationIn Stock: 1104R5F212BASDFA#V2 Datasheet

Current PartRFQ

M30281FCHP#U7B

Renesas Electronics CorporationIn Stock: 1172M30281FCHP#U7B Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the R5F212BASDFA#V2 is determined by the following critical parameters:

Core Architecture & Performance: Both the main part and substitute must maintain 16-bit core processing capability and 20MHz operating frequency to ensure software compatibility and timing-critical functionality.

Memory Configuration: Program memory capacity, RAM size, and memory type (FLASH) must support existing firmware requirements. Substitute parts with equal or greater memory capacity are acceptable.

Package & Pinout: The 64-pin LQFP package format and 55 I/O count establish the physical and electrical interface requirements. Package dimensions and pin assignments must remain compatible with existing PCB layouts.

Voltage & Temperature Specifications: Operating voltage range (2.2V ~ 5.5V minimum) and temperature range (-40°C ~ 85°C) must be maintained or exceeded to ensure functional equivalence across environmental conditions.

Connectivity & Peripherals: I2C, UART/USART, and core peripheral support (POR, PWM, WDT, Voltage Detect) must be present in substitute parts to maintain system integration.

Compliance & Certification: RoHS3 compliance and REACH unaffected status are mandatory for regulatory equivalence.

Parameter Comparison

Engineering Selection Recommendations

The M30281FCHP#U7B serves as a functional substitute for the R5F212BASDFA#V2 based on matching core architecture (16-bit), processing speed (20MHz), I/O count (55 pins), and compliance certifications (ROHS3, REACH unaffected).

Memory Advantages: The M30281FCHP#U7B provides increased program memory (128KB versus 96KB) and RAM capacity (12K x 8 versus 7K x 8), offering headroom for firmware expansion without architectural changes.

Voltage Consideration: The substitute part specifies a minimum supply voltage of 2.7V compared to 2.2V for the main part. Systems operating below 2.7V require verification of compatibility.

Package Dimension Difference: The M30281FCHP#U7B uses a 64-LFQFP (10x10) package versus the 64-LQFP (14x14) for the main part. While both are 64-pin LQFP variants, the physical footprint differs. PCB layout redesign is required for this substitution.

Product Status: Both parts are classified outside active production (Obsolete and Not For New Designs). For new designs, evaluation of current-generation Renesas microcontroller families is recommended.

Frequently Asked Questions (FAQ)

Q: Can the M30281FCHP#U7B directly replace the R5F212BASDFA#V2 without PCB modification?

A: No. While both devices are 64-pin LQFP packages, the physical dimensions differ (14x14mm versus 10x10mm). PCB footprint redesign is required.

Q: Is the increased memory in the M30281FCHP#U7B backward compatible?

A: The larger memory capacity (128KB FLASH, 12K RAM) does not create compatibility issues for firmware designed for the smaller memory of the R5F212BASDFA#V2. Existing code will execute on the substitute part.

Q: What is the impact of the 2.7V minimum voltage specification on the M30281FCHP#U7B?

A: Systems designed to operate at 2.2V to 2.7V using the R5F212BASDFA#V2 cannot use the M30281FCHP#U7B without power supply modification. Verify your system's minimum operating voltage before substitution.

Q: Are both parts suitable for new designs?

A: No. Both the R5F212BASDFA#V2 (Obsolete) and M30281FCHP#U7B (Not For New Designs) are outside active production. New designs should evaluate current Renesas microcontroller offerings.

Q: What connectivity features are preserved in the substitute part?

A: Core interfaces including I2C, UART/USART, and SIO are present in both parts. The M30281FCHP#U7B adds IEBus and DMA capabilities not present in the R8C/2x/2B series.