R5F21258SNFP#U0 Renesas Electronics America, R5F21258SNFP#U0 Datasheet - Page 48
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
Figure 5.5
Figure 5.6
Feb 29, 2008
Example of Hardware Reset Circuit and Operation
Detection Circuit) and Operation
Example of Hardware Reset Circuit (Usage Example of External Supply Voltage
RESET
Page 29 of 485
VCC
RESET
NOTE:
NOTE:
VCC
1. Refer to 20. Electrical Characteristics.
1. Refer to 20. Electrical Characteristics.
Example when
VCC = 5 V
Supply voltage
detection circuit
RESET
VCC
0 V
0 V
RESET
VCC
5 V
0 V
5 V
0 V
td(P-R) + 10 µs or more
2.2 V
td(P-R) + 10 µs or more
2.2 V
0.2 VCC or below
5. Resets
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