R5F21258SNFP#U0 Renesas Electronics America, R5F21258SNFP#U0 Datasheet - Page 11

• 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

7.
8.
9.
10.
6.2
6.3
6.4
7.1
7.2
7.3
7.4
7.5
8.1
10.1
10.2
10.3
10.4
10.5
10.6
10.7
6.1.1
6.1.2
6.1.3
10.2.1
10.2.2
10.4.1
10.4.2
10.4.3
10.4.4
10.4.5
10.4.6
10.4.7
10.4.8
10.4.9
10.5.1
10.5.2
10.5.3
10.6.1
10.7.1
10.7.2
10.7.3
10.7.4
Programmable I/O Ports ............................................................................................................... 46
Processor Mode ............................................................................................................................ 71
Bus ................................................................................................................................................ 72
Clock Generation Circuit ............................................................................................................... 73
Voltage Monitor 0 Reset ......................................................................................................................... 41
Voltage Monitor 1 Interrupt and Voltage Monitor 1 Reset ..................................................................... 42
Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset ..................................................................... 44
Functions of Programmable I/O Ports ..................................................................................................... 46
Effect on Peripheral Functions ................................................................................................................ 47
Pins Other than Programmable I/O Ports ................................................................................................ 47
Port settings ............................................................................................................................................. 59
Unassigned Pin Handling ........................................................................................................................ 70
Processor Modes ...................................................................................................................................... 71
XIN Clock ............................................................................................................................................... 82
On-Chip Oscillator Clocks ...................................................................................................................... 83
XCIN Clock ............................................................................................................................................. 84
CPU Clock and Peripheral Function Clock ............................................................................................. 85
Power Control .......................................................................................................................................... 87
Oscillation Stop Detection Function ....................................................................................................... 96
Notes on Clock Generation Circuit ......................................................................................................... 99
Monitoring Vdet0 ............................................................................................................................... 40
Monitoring Vdet1 ............................................................................................................................... 40
Monitoring Vdet2 ............................................................................................................................... 40
Low-Speed On-Chip Oscillator Clock ................................................................................................ 83
High-Speed On-Chip Oscillator Clock ............................................................................................... 83
System Clock ...................................................................................................................................... 85
CPU Clock .......................................................................................................................................... 85
Peripheral Function Clock (f1, f2, f4, f8, and f32) ............................................................................. 85
fOCO ................................................................................................................................................... 85
fOCO40M ........................................................................................................................................... 85
fOCO-F ............................................................................................................................................... 85
fOCO-S ............................................................................................................................................... 85
fOCO128 ............................................................................................................................................. 85
fC4 and fC32 ....................................................................................................................................... 86
Standard Operating Mode ................................................................................................................... 87
Wait Mode .......................................................................................................................................... 89
Stop Mode ........................................................................................................................................... 93
How to Use Oscillation Stop Detection Function ............................................................................... 96
Stop Mode ........................................................................................................................................... 99
Wait Mode .......................................................................................................................................... 99
Oscillation Stop Detection Function ................................................................................................... 99
Oscillation Circuit Constants .............................................................................................................. 99
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