R5F21257SNFP#U0 Renesas Electronics America, R5F21257SNFP#U0 Datasheet - Page 13
![IC R8C/25 MCU FLASH 52LQFP](/photos/12/37/123739/r5f21257snfp_u0_sml.jpg)
R5F21257SNFP#U0
Manufacturer Part Number
R5F21257SNFP#U0
Description
IC R8C/25 MCU FLASH 52LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/25r
Specifications of R5F21257SNFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, Voltage Detect, WDT
Number Of I /o
41
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
2.5K 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
-
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15.
16.
17.
14.4
15.1
15.2
15.3
16.1
16.2
16.3
17.1
17.2
17.3
17.4
14.3.7
14.3.8
14.3.9
14.3.10 PWM3 Mode ..................................................................................................................................... 250
14.3.11 Timer RD Interrupt ........................................................................................................................... 262
14.3.12 Notes on Timer RD ........................................................................................................................... 264
14.4.1
14.4.2
14.4.3
15.1.1
15.1.2
15.1.3
15.2.1
16.2.1
16.2.2
16.2.3
16.2.4
16.2.5
16.2.6
16.2.7
16.2.8
16.3.1
16.3.2
16.3.3
16.3.4
16.3.5
16.3.6
16.3.7
16.3.8
17.4.1
17.4.2
17.4.3
Serial Interface ............................................................................................................................ 288
Clock Synchronous Serial Interface ............................................................................................ 305
Hardware LIN .............................................................................................................................. 368
Timer RE ............................................................................................................................................... 270
Clock Synchronous Serial I/O Mode ..................................................................................................... 294
Clock Asynchronous Serial I/O (UART) Mode .................................................................................... 299
Notes on Serial Interface ....................................................................................................................... 304
Mode Selection ...................................................................................................................................... 305
Clock Synchronous Serial I/O with Chip Select (SSU) ........................................................................ 306
I
Features ................................................................................................................................................. 368
Input/Output Pins .................................................................................................................................. 369
Register Configuration .......................................................................................................................... 370
Functional Description .......................................................................................................................... 372
2
C bus Interface .................................................................................................................................... 335
PWM Mode ....................................................................................................................................... 213
Reset Synchronous PWM Mode ....................................................................................................... 226
Complementary PWM Mode ............................................................................................................ 236
Real-Time Clock Mode .................................................................................................................... 271
Output Compare Mode ..................................................................................................................... 279
Notes on Timer RE ........................................................................................................................... 285
Polarity Select Function .................................................................................................................... 297
LSB First/MSB First Select Function ............................................................................................... 297
Continuous Receive Mode ................................................................................................................ 298
Bit Rate ............................................................................................................................................. 303
Transfer Clock .................................................................................................................................. 315
SS Shift Register (SSTRSR) ............................................................................................................. 317
Interrupt Requests ............................................................................................................................. 318
Communication Modes and Pin Functions ....................................................................................... 319
Clock Synchronous Communication Mode ...................................................................................... 320
Operation in 4-Wire Bus Communication Mode .............................................................................. 327
SCS Pin Control and Arbitration ...................................................................................................... 333
Notes on Clock Synchronous Serial I/O with Chip Select ............................................................... 334
Transfer Clock .................................................................................................................................. 345
Interrupt Requests ............................................................................................................................. 346
I
Clock Synchronous Serial Mode ...................................................................................................... 358
Noise Canceller ................................................................................................................................. 361
Bit Synchronization Circuit .............................................................................................................. 362
Examples of Register Setting ............................................................................................................ 363
Notes on I
Master Mode ..................................................................................................................................... 372
Slave Mode ....................................................................................................................................... 375
Bus Collision Detection Function ..................................................................................................... 379
2
C bus Interface Mode ..................................................................................................................... 347
2
C bus Interface ................................................................................................................ 367
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