Manufacturer Part Number
R5F21256SNFP#V2
Manufacturer
Renesas Electronics America
Introduction
R8C/2x/25 series 16-bit embedded microcontroller designed for advanced embedded systems
Product Features and Performance
16-Bit R8C core
20MHz Maximum Operating Speed
Integrated I2C, LINbus, SIO, SSU, UART/USART for extensive connectivity
On-chip Peripherals include Power-on Reset, Voltage Detect, Watchdog Timer
41 I/O pins for robust interfacing capabilities
32KB Flash Memory for program storage
2KB RAM for data processing
10-bit A/D Converter with 12 channels
Internal Oscillator for clock generation
Wide Operating Temperature Range -20°C to 85°C
Product Advantages
High integration reduces system component count
Flexible power supply range from 2.2V to 5.5V
Versatile package options to fit different assembly requirements
Key Technical Parameters
Core Processor: R8C
Core Size: 16-Bit
Speed: 20MHz
Connectivity: I2C, LINbus, SIO, SSU, UART/USART
Program Memory Size: 32KB (32K x 8)
Program Memory Type: FLASH
RAM Size: 2K x 8
Data Converters: A/D 12x10b
Operating Temperature: -20°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 52-LQFP
Quality and Safety Features
Power-on Reset
Voltage Detection
Watchdog Timer for system reliability
Compatibility
Surface Mount Technology compatible with modern PCB assembly
Supports standard communication protocols for easy integration with peripherals
Application Areas
Automotive control units
Industrial automation
Consumer electronics
Telecommunications
Product Lifecycle
Active product status, not nearing discontinuation
Replacements or upgrades available in the R8C series
Several Key Reasons to Choose This Product
Reliable high-speed performance at 20MHz
Rich set of peripherals and I/O options enhance design flexibility
Proven robustness in wide temperature range applications
Energy-efficient operation suitable for battery-powered devices
Strong support and documentation from Renesas Electronics
Well-suited for complex embedded systems requiring a mix of communication interfaces
Easy to integrate into various designs owing to standard package form factor
