R5F21236KFP#U0 Renesas Electronics America, R5F21236KFP#U0 Datasheet - Page 15

• Manufacturer Part Number: R5F21236KFP#U0
• Description: IC R8C/23 MCU FLASH 48LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/23r

Specifications of R5F21236KFP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: CAN, I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 48-LQFP
• For Use With: RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

21.
22.
20.4
20.5
20.6
20.7
22.1
22.2
22.3
22.4
22.5
22.6
22.7
22.8
22.9
22.10
20.3.2
20.4.1
20.4.2
20.4.3
20.4.4
20.4.5
20.5.1
20.6.1
20.7.1
22.1.1
22.1.2
22.1.3
22.1.4
22.2.1
22.2.2
22.2.3
22.2.4
22.2.5
22.3.1
22.3.2
22.3.3
22.3.4
22.5.1
22.5.2
22.7.1
22.7.2
22.7.3
22.9.1
22.10.1 Inserting a Bypass Capacitor between VCC and VSS Pins as a Countermeasure against Noise and
22.10.2 Countermeasures against Noise Error of Port Control Registers ..................................................... 494
Electrical Characteristics ............................................................................................................ 447
Usage Notes ............................................................................................................................... 467
CPU Rewrite Mode ............................................................................................................................... 421
Standard Serial I/O Mode ...................................................................................................................... 439
Parallel I/O Mode .................................................................................................................................. 443
Notes on Flash Memory ........................................................................................................................ 444
Notes on Clock Generation Circuit ....................................................................................................... 467
Notes on Interrupts ................................................................................................................................ 468
Notes on Timers .................................................................................................................................... 471
Notes on Serial Interface ....................................................................................................................... 483
Clock Synchronous Serial Interface ...................................................................................................... 484
Notes on Hardware LIN ........................................................................................................................ 485
Notes on CAN Module .......................................................................................................................... 486
Notes on Flash Memory ........................................................................................................................ 491
Notes on A/D Converter ....................................................................................................................... 490
Notes on Noise ..................................................................................................................................... 494
ROM Code Protect Function ............................................................................................................ 420
EW0 Mode ........................................................................................................................................ 422
EW1 Mode ........................................................................................................................................ 422
Software Commands ......................................................................................................................... 431
Status Registers ................................................................................................................................. 436
Full Status Check .............................................................................................................................. 437
ID Code Check Function .................................................................................................................. 439
ROM Code Protect Function ............................................................................................................ 443
CPU Rewrite Mode ........................................................................................................................... 444
Stop Mode ......................................................................................................................................... 467
Wait Mode ........................................................................................................................................ 467
Oscillation Stop Detection Function ................................................................................................. 467
Oscillation Circuit Constants ............................................................................................................ 467
Reading Address 00000h .................................................................................................................. 468
SP Setting .......................................................................................................................................... 468
External Interrupt and Key Input Interrupt ....................................................................................... 468
Changing Interrupt Sources .............................................................................................................. 469
Changing Interrupt Control Register Contents ................................................................................. 470
Notes on Timer RA ........................................................................................................................... 471
Notes on Timer RB ........................................................................................................................... 472
Notes on Timer RD ........................................................................................................................... 476
Notes on Timer RE ........................................................................................................................... 482
Notes on Clock Synchronous Serial I/O with Chip Select ............................................................... 484
Notes on I
Reading C0STR Register .................................................................................................................. 486
Performing CAN Configuration ....................................................................................................... 488
Suggestions to Reduce Power Consumption .................................................................................... 489
CPU Rewrite Mode ........................................................................................................................... 491
Latch-up ............................................................................................................................................ 494
2
C Bus Interface ............................................................................................................... 484
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