R5F21244SNFP#U0 Renesas Electronics America, R5F21244SNFP#U0 Datasheet - Page 9

• Manufacturer Part Number: R5F21244SNFP#U0
• Description: IC R8C MCU FLASH 16K 52LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/24r

Specifications of R5F21244SNFP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K 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
• For Use With: R0K521256S000BE - KIT EVAL STARTER FOR R8C/25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Chapter 6
5.2 Interrupt Control ...................................................................................................................... 249
5.3 Interrupt Sequence .................................................................................................................252
5.4 Returning from Interrupt Routines ..........................................................................................255
5.5 Interrupt Priority ...................................................................................................................... 256
5.6 Multiple Interrupts ................................................................................................................... 257
5.7 Note on Interrupts ................................................................................................................... 259
6.1 Instruction Queue Buffer ......................................................................................................... 262
5.2.1 I Flag ...............................................................................................................................249
5.2.2 IR Bit ...............................................................................................................................249
5.2.3 ILVL2 to ILVL0 bis, IPL ................................................................................................... 250
5.2.4 Changing Interrupt Control Register ............................................................................... 251
5.3.1 Interrupt Response Time ................................................................................................ 253
5.3.2 Changes of IPL When Interrupt Request Acknowledged ............................................... 253
5.3.3 Saving Register Contents ...............................................................................................254
5.7.1 Reading Address 0000016 ............................................................................................. 259
5.7.2 SP Setting ....................................................................................................................... 259
5.7.3 Modifying Interrupt Control Register ............................................................................... 259
Calculating the Number of Cycles ________________________________
A-3