R5F21258SNFP#U0 Renesas Electronics America, R5F21258SNFP#U0 Datasheet - Page 6

• Manufacturer Part Number: R5F21258SNFP#U0
• Description: IC R8C/25 MCU FLASH 52LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/25r

Specifications of R5F21258SNFP#U0

• Core Size: 16/32-Bit
• Program Memory Size: 64KB (64K x 8)
• Core Processor: R8C
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Type: FLASH
• Ram Size: 3K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 52-LQFP
• No. Of I/o's: 41
• Ram Memory Size: 3KB
• Cpu Speed: 20MHz
• No. Of Timers: 4
• Digital Ic Case Style: LQFP
• Supply Voltage Range: 2.2V To 5.5V
• Embedded Interface Type: I2C, UART
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: YMCRPR8C25 - REF PLATFORM MOTOR CTRL R8C/25R0K521256S000BE - KIT EVAL STARTER FOR R8C/25
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

1.
This manual is designed to provide the user with an understanding of the hardware functions and electrical
characteristics of the MCU. It is intended for users designing application systems incorporating the MCU. A basic
knowledge of electric circuits, logical circuits, and MCUs is necessary in order to use this manual.
The manual comprises an overview of the product; descriptions of the CPU, system control functions, peripheral
functions, and electrical characteristics; and usage notes.
Particular attention should be paid to the precautionary notes when using the manual. These notes occur
within the body of the text, at the end of each section, and in the Usage Notes section.
The revision history summarizes the locations of revisions and additions. It does not list all revisions. Refer
to the text of the manual for details.
The following documents apply to the R8C/24 Group, R8C/25 Group. Make sure to refer to the latest versions of these
documents. The newest versions of the documents listed may be obtained from the Renesas Technology Web site.
Datasheet
Hardware manual Hardware specifications (pin assignments,
Software manual Description of CPU instruction set
Application note
Renesas
technical update
Document Type
Purpose and Target Readers
Hardware overview and electrical characteristics R8C/24 Group,
memory maps, peripheral function
specifications, electrical characteristics, timing
charts) and operation description
Note: Refer to the application notes for details on
using peripheral functions.
Information on using peripheral functions and
application examples
Sample programs
Information on writing programs in assembly
language and C
Product specifications, updates on documents,
etc.
How to Use This Manual
Description
R8C/25 Group
Datasheet
R8C/24 Group,
R8C/25 Group
Hardware Manual
R8C/Tiny Series
Software Manual
Available from Renesas
Technology Web site.
Document Title
REJ03B0117
This hardware
manual
REJ09B0001
Document No.