R5F21258SNFP#U0 Renesas Electronics America, R5F21258SNFP#U0 Datasheet - Page 497
R5F21258SNFP#U0
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
21.8.1.4
21.8.1.5
21.8.1.6
21.8.1.7
21.8.1.8
Write 0 before writing 1 when setting the FMR01, FMR02, or FMR11 bit to 1. Do not generate an interrupt
between writing 0 and 1.
In EW0 Mode, if the supply voltage drops while rewriting any block in which a rewrite control program is
stored, it may not be possible to rewrite the flash memory because the rewrite control program cannot be
rewritten correctly. In this case, use standard serial I/O mode.
Do not write additions to the already programmed address.
Do not enter stop mode or wait mode during erase-suspend.
To perform programming and erasure, use VCC = 2.7 to 5.5 V as the supply voltage. Do not perform
programming and erasure at less than 2.7 V.
Feb 29, 2008
How to Access
Rewriting User ROM Area
Entering Stop Mode or Wait Mode
Program and Erase Voltage for Flash Memory
Program
Page 478 of 485
21. Usage Notes
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