R5F21274SNFP#U0 Renesas Electronics America, R5F21274SNFP#U0 Datasheet - Page 14

• Manufacturer Part Number: R5F21274SNFP#U0
• Description: IC R8C/27 MCU FLASH 32LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/27r

Specifications of R5F21274SNFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 25
• 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: 32-LQFP
• For Use With: R0K521276S000BE - KIT DEV RSK-R8C/26-29R0E521000EPB00 - PROBE EMULATOR FOR PC7501
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

18.
19.
20.
21.
18.1
18.2
18.3
18.4
18.5
18.6
18.7
19.1
19.2
19.3
19.4
19.5
19.6
19.7
20.1
20.2
21.1
21.2
21.3
19.3.1
19.3.2
19.4.1
19.4.2
19.4.3
19.4.4
19.4.5
19.5.1
19.6.1
19.7.1
21.1.1
21.1.2
21.1.3
21.1.4
21.2.1
21.2.2
21.2.3
21.2.4
21.2.5
21.3.1
21.3.2
21.3.3
21.3.4
A/D Converter ............................................................................................................................. 338
Flash Memory ............................................................................................................................. 352
Electrical Characteristics ............................................................................................................ 382
Usage Notes ............................................................................................................................... 427
One-Shot Mode ..................................................................................................................................... 342
Repeat Mode .......................................................................................................................................... 345
Sample and Hold ................................................................................................................................... 348
A/D Conversion Cycles ......................................................................................................................... 348
Internal Equivalent Circuit of Analog Input .......................................................................................... 349
Output Impedance of Sensor under A/D Conversion ............................................................................ 350
Notes on A/D Converter ........................................................................................................................ 351
Overview ............................................................................................................................................... 352
Memory Map ......................................................................................................................................... 353
Functions to Prevent Rewriting of Flash Memory ................................................................................ 355
CPU Rewrite Mode ............................................................................................................................... 357
Standard Serial I/O Mode ...................................................................................................................... 375
Parallel I/O Mode .................................................................................................................................. 378
Notes on Flash Memory ........................................................................................................................ 379
N, D Version .......................................................................................................................................... 382
J, K Version ........................................................................................................................................... 407
Notes on Clock Generation Circuit ....................................................................................................... 427
Notes on Interrupts ................................................................................................................................ 428
Notes on Timers .................................................................................................................................... 431
ID Code Check Function .................................................................................................................. 355
ROM Code Protect Function ............................................................................................................ 356
EW0 Mode ........................................................................................................................................ 358
EW1 Mode ........................................................................................................................................ 358
Software Commands ......................................................................................................................... 367
Status Registers ................................................................................................................................. 372
Full Status Check .............................................................................................................................. 373
ID Code Check Function .................................................................................................................. 375
ROM Code Protect Function ............................................................................................................ 378
CPU Rewrite Mode ........................................................................................................................... 379
Stop Mode ......................................................................................................................................... 427
Wait Mode ........................................................................................................................................ 427
Oscillation Stop Detection Function ................................................................................................. 427
Oscillation Circuit Constants ............................................................................................................ 427
Reading Address 00000h .................................................................................................................. 428
SP Setting .......................................................................................................................................... 428
External Interrupt and Key Input Interrupt ....................................................................................... 428
Changing Interrupt Sources .............................................................................................................. 429
Changing Interrupt Control Register Contents ................................................................................. 430
Notes on Timer RA ........................................................................................................................... 431
Notes on Timer RB ........................................................................................................................... 432
Notes on Timer RC ........................................................................................................................... 436
Notes on Timer RE ........................................................................................................................... 437
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