R5F21258SNFP#U0 Renesas Electronics America, R5F21258SNFP#U0 Datasheet - Page 12

• 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

11.
12.
13.
14.
12.1
12.2
12.3
12.4
12.5
12.6
13.1
13.2
14.1
14.2
14.3
12.1.1
12.1.2
12.1.3
12.1.4
12.1.5
12.1.6
12.2.1
12.2.2
12.6.1
12.6.2
12.6.3
12.6.4
12.6.5
14.1.1
14.1.2
14.1.3
14.1.4
14.1.5
14.1.6
14.2.1
14.2.2
14.2.3
14.2.4
14.2.5
14.3.1
14.3.2
14.3.3
14.3.4
14.3.5
14.3.6
Protection .................................................................................................................................... 100
Interrupts ..................................................................................................................................... 101
Watchdog Timer .......................................................................................................................... 127
Timers ......................................................................................................................................... 132
Interrupt Overview ................................................................................................................................ 101
INT Interrupt ......................................................................................................................................... 115
Key Input Interrupt ................................................................................................................................ 118
Address Match Interrupt ........................................................................................................................ 120
Timer RD Interrupt, Clock Synchronous Serial I/O with Chip Select Interrupts, and I
Interrupt (Interrupts with Multiple Interrupt Request Sources) ............................................................ 122
Notes on Interrupts ................................................................................................................................ 124
Count Source Protection Mode Disabled .............................................................................................. 130
Count Source Protection Mode Enabled ............................................................................................... 131
Timer RA ............................................................................................................................................... 134
Timer RB ............................................................................................................................................... 150
Timer RD ............................................................................................................................................... 171
Types of Interrupts ............................................................................................................................ 101
Software Interrupts ........................................................................................................................... 102
Special Interrupts .............................................................................................................................. 103
Peripheral Function Interrupt ............................................................................................................ 103
Interrupts and Interrupt Vectors ........................................................................................................ 104
Interrupt Control ............................................................................................................................... 106
INTi Interrupt (i = 0 to 3) .................................................................................................................. 115
INTi Input Filter (i = 0 to 3) .............................................................................................................. 117
Reading Address 00000h .................................................................................................................. 124
SP Setting .......................................................................................................................................... 124
External Interrupt and Key Input Interrupt ....................................................................................... 124
Changing Interrupt Sources .............................................................................................................. 125
Changing Interrupt Control Register Contents ................................................................................. 126
Timer Mode ...................................................................................................................................... 137
Pulse Output Mode ........................................................................................................................... 139
Event Counter Mode ......................................................................................................................... 141
Pulse Width Measurement Mode ...................................................................................................... 143
Pulse Period Measurement Mode ..................................................................................................... 146
Notes on Timer RA ........................................................................................................................... 149
Timer Mode ...................................................................................................................................... 154
Programmable Waveform Generation Mode .................................................................................... 157
Programmable One-shot Generation Mode ...................................................................................... 159
Programmable Wait One-Shot Generation Mode ............................................................................. 163
Notes on Timer RB ........................................................................................................................... 167
Count Sources ................................................................................................................................... 176
Buffer Operation ............................................................................................................................... 177
Synchronous Operation ..................................................................................................................... 179
Pulse Output Forced Cutoff .............................................................................................................. 180
Input Capture Function ..................................................................................................................... 182
Output Compare Function ................................................................................................................ 196
A - 3
2
C bus Interface