R5F571MLHDFP#10 Equivalent & Substitute Parts

Part Overview

The R5F571MLHDFP#10 is a 32-bit single-core microcontroller from Renesas Electronics Corporation's RX71M series, operating at 240MHz with 4MB FLASH memory. This embedded microcontroller is designed for applications requiring advanced connectivity options including CANbus, Ethernet, USB OTG, and multiple serial interfaces. The device is currently in active production status with 1126 units available in stock. Identifying equivalent substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and maintain component availability across manufacturing cycles.

Key Parameters

Parameter	Value
Manufacturer Part Number	R5F571MLHDFP#10
Manufacturer	Renesas Electronics Corporation
Series	RX71M
Core Processor	RXv2
Core Size	32-Bit Single-Core
Speed	240MHz
Program Memory Size	4MB (4M x 8)
Program Memory Type	FLASH
EEPROM Size	64K x 8
RAM Size	512K x 8
Voltage Supply (Vcc/Vdd)	2.7V ~ 3.6V
Number of I/O	78
Package / Case	100-LQFP
Supplier Device Package	100-LFQFP (14x14)
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C (TA)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the R5F571MLHDFP#10 are determined by strict equivalence across all critical electrical and mechanical parameters. The substitution logic is based on the following key parameters that must remain identical:

Processor Architecture: RXv2 core processor
Memory Configuration: 4MB FLASH, 64K EEPROM, 512K RAM
Operating Frequency: 240MHz
Supply Voltage Range: 2.7V ~ 3.6V
I/O Count: 78 pins
Package Type: 100-LQFP (14x14mm)
Connectivity Suite: CANbus, EBI/EMI, Ethernet, I2C, MMC/SD, QSPI, SCI, SPI, SSI, USB OTG
Peripheral Set: DMA, LVD, POR, PWM, WDT
Data Converters: A/D 22x12b, D/A 1x12b
Temperature Range: -40°C ~ 85°C
Compliance: ROHS3, REACH Unaffected

Parts meeting all these criteria are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Parameter	R5F571MLHDFP#10	R5F571MLCDFP#10	Match
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation	✓
Series	RX71M	RX71M	✓
Core Processor	RXv2	RXv2	✓
Core Size	32-Bit Single-Core	32-Bit Single-Core	✓
Speed	240MHz	240MHz	✓
Program Memory Size	4MB (4M x 8)	4MB (4M x 8)	✓
Program Memory Type	FLASH	FLASH	✓
EEPROM Size	64K x 8	64K x 8	✓
RAM Size	512K x 8	512K x 8	✓
Voltage Supply (Vcc/Vdd)	2.7V ~ 3.6V	2.7V ~ 3.6V	✓
Number of I/O	78	78	✓
Connectivity	CANbus, EBI/EMI, Ethernet, I2C, MMC/SD, QSPI, SCI, SPI, SSI, USB OTG	CANbus, EBI/EMI, Ethernet, I2C, MMC/SD, QSPI, SCI, SPI, SSI, USB OTG	✓
Peripherals	DMA, LVD, POR, PWM, WDT	DMA, LVD, POR, PWM, WDT	✓
Data Converters	A/D 22x12b; D/A 1x12b	A/D 22x12b; D/A 1x12b	✓
Oscillator Type	Internal	Internal	✓
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	✓
Mounting Type	Surface Mount	Surface Mount	✓
Package / Case	100-LQFP	100-LQFP	✓
Supplier Device Package	100-LFQFP (14x14)	100-LFQFP (14x14)	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	✓
REACH Status	REACH Unaffected	REACH Unaffected	✓
Product Status	Active	Active	✓

Engineering Selection Recommendations

The R5F571MLCDFP#10 is a direct parametric equivalent to the R5F571MLHDFP#10. Both devices are manufactured by Renesas Electronics Corporation within the RX71M series and maintain identical electrical specifications, memory configurations, connectivity options, and package dimensions.

Both parts are currently in active production status, ensuring long-term availability and supply chain stability. Both devices carry ROHS3 compliance and REACH Unaffected status, meeting current environmental and regulatory requirements for embedded microcontroller applications.

The R5F571MLCDFP#10 maintains 1802 units in stock compared to 1126 units of the R5F571MLHDFP#10, providing enhanced inventory availability. Selection between these equivalent parts should be based on immediate supply requirements and procurement lead times.

Frequently Asked Questions (FAQ)

Q: Are R5F571MLHDFP#10 and R5F571MLCDFP#10 pin-for-pin compatible?

A: Yes. Both devices use the 100-LQFP (14x14mm) package with 78 I/O pins. Pin assignments, signal functions, and electrical characteristics are identical across both part numbers.

Q: Can R5F571MLCDFP#10 be used as a direct replacement for R5F571MLHDFP#10 in existing designs?

A: Yes. The R5F571MLCDFP#10 is a parametric equivalent with identical core processor architecture, memory configuration, operating frequency, supply voltage range, connectivity options, and peripheral set. No design modifications are required.

Q: What is the difference between R5F571MLHDFP#10 and R5F571MLCDFP#10?

A: Both parts are functionally identical. The difference in part number suffix reflects internal Renesas manufacturing or packaging variations that do not affect electrical performance or compatibility.

Q: Are both parts suitable for industrial temperature applications?

A: Both devices operate across the -40°C ~ 85°C temperature range, supporting standard industrial applications. Verify specific application requirements against this operating range.

Q: Do both parts require the same PCB footprint?

A: Yes. Both devices use the 100-LFQFP (14x14mm) package with identical pin pitch and dimensions. PCB layouts are fully compatible without modification.

Q: What is the Moisture Sensitivity Level (MSL) for these parts?

A: Both R5F571MLHDFP#10 and R5F571MLCDFP#10 carry MSL 3 rating with a 168-hour floor life. Standard moisture control procedures during storage and handling are required.

Q: Are both parts RoHS compliant?

A: Yes. Both devices are ROHS3 compliant and REACH unaffected, meeting current environmental regulations for electronic components.

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