R5F21356CNFP#U0 Renesas Electronics America, R5F21356CNFP#U0 Datasheet - Page 22

• Manufacturer Part Number: R5F21356CNFP#U0
• Description: MCU 1KB FLASH 32K ROM 52-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/35Cr

Specifications of R5F21356CNFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, PWM, Voltage Detect, WDT
• Number Of I /o: 47
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 52-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

24.
25.
23.4
23.5
23.6
23.7
24.1
25.1
25.2
25.3
25.4
23.3.6
23.4.1
23.4.2
23.4.3
23.4.4
23.4.5
23.4.6
23.4.7
23.5.1
23.5.2
23.5.3
23.5.4
23.5.5
23.5.6
23.5.7
23.6.1
23.6.2
23.6.3
23.7.1
23.7.2
25.2.1
25.2.2
25.2.3
25.2.4
25.2.5
25.2.6
25.2.7
25.2.8
25.2.9
25.2.10 SS Status Register (SSSR) ................................................................................................................ 512
25.2.11 SS Mode Register 2 (SSMR2) .......................................................................................................... 513
25.3.1
25.3.2
25.3.3
25.3.4
25.4.1
Clock Synchronous Serial Interface ............................................................................................ 503
Synchronous Serial Communication Unit (SSU) ........................................................................ 504
Clock Asynchronous Serial I/O (UART) Mode .................................................................................... 476
Special Mode 1 (I
Multiprocessor Communication Function ............................................................................................. 494
Notes on Serial Interface (UART2) ....................................................................................................... 501
Mode Selection ...................................................................................................................................... 503
Overview ............................................................................................................................................... 504
Registers ................................................................................................................................................ 506
Common Items for Multiple Modes ...................................................................................................... 514
Clock Synchronous Communication Mode .......................................................................................... 519
CTS/RTS Function ........................................................................................................................... 475
Bit Rate ............................................................................................................................................. 480
Measure for Dealing with Communication Errors ........................................................................... 481
LSB First/MSB First Select Function ............................................................................................... 481
Serial Data Logic Switching Function .............................................................................................. 482
TXD and RXD I/O Polarity Inverse Function .................................................................................. 482
CTS/RTS Function ........................................................................................................................... 483
RXD2 Digital Filter Select Function ................................................................................................ 483
Detection of Start and Stop Conditions ............................................................................................ 490
Output of Start and Stop Conditions ................................................................................................. 491
Transfer Clock .................................................................................................................................. 492
SDA Output ...................................................................................................................................... 492
SDA Input ......................................................................................................................................... 492
ACK and NACK ............................................................................................................................... 492
Initialization of Transmission/Reception .......................................................................................... 493
Multiprocessor Transmission ............................................................................................................ 497
Multiprocessor Reception ................................................................................................................. 498
RXD2 Digital Filter Select Function ................................................................................................ 500
Clock Synchronous Serial I/O Mode ................................................................................................ 501
Special Mode 1 (I
Module Standby Control Register (MSTCR) ................................................................................... 506
SSU/IIC Pin Select Register (SSUIICSR) ........................................................................................ 506
SS Bit Counter Register (SSBR) ...................................................................................................... 507
SS Transmit Data Register (SSTDR) ................................................................................................ 507
SS Receive Data Register (SSRDR) ................................................................................................. 508
SS Control Register H (SSCRH) ...................................................................................................... 508
SS Control Register L (SSCRL) ....................................................................................................... 509
SS Mode Register (SSMR) ............................................................................................................... 510
SS Enable Register (SSER) .............................................................................................................. 511
Transfer Clock .................................................................................................................................. 514
SS Shift Register (SSTRSR) ............................................................................................................. 516
Interrupt Requests ............................................................................................................................. 517
Communication Modes and Pin Functions ....................................................................................... 518
Initialization in Clock Synchronous Communication Mode ............................................................ 519
2
C Mode) .................................................................................................................. 484
2
C Mode) .............................................................................................................. 502
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