R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 22

• Manufacturer Part Number: R5F21346CNFP#U0
• Description: MCU 1KB FLASH 32K ROM 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/34Cr

Specifications of R5F21346CNFP#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: 43
• 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: 48-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) ................................................................................................................ 510
25.2.11 SS Mode Register 2 (SSMR2) .......................................................................................................... 511
25.3.1
25.3.2
25.3.3
25.3.4
25.4.1
Clock Synchronous Serial Interface ............................................................................................ 501
Synchronous Serial Communication Unit (SSU) ........................................................................ 502
Clock Asynchronous Serial I/O (UART) Mode .................................................................................... 474
Special Mode 1 (I
Multiprocessor Communication Function ............................................................................................. 492
Notes on Serial Interface (UART2) ....................................................................................................... 499
Mode Selection ...................................................................................................................................... 501
Overview ............................................................................................................................................... 502
Registers ................................................................................................................................................ 504
Common Items for Multiple Modes ...................................................................................................... 512
Clock Synchronous Communication Mode .......................................................................................... 517
CTS/RTS Function ........................................................................................................................... 473
Bit Rate ............................................................................................................................................. 478
Measure for Dealing with Communication Errors ........................................................................... 479
LSB First/MSB First Select Function ............................................................................................... 479
Serial Data Logic Switching Function .............................................................................................. 480
TXD and RXD I/O Polarity Inverse Function .................................................................................. 480
CTS/RTS Function ........................................................................................................................... 481
RXD2 Digital Filter Select Function ................................................................................................ 481
Detection of Start and Stop Conditions ............................................................................................ 488
Output of Start and Stop Conditions ................................................................................................. 489
Transfer Clock .................................................................................................................................. 490
SDA Output ...................................................................................................................................... 490
SDA Input ......................................................................................................................................... 490
ACK and NACK ............................................................................................................................... 490
Initialization of Transmission/Reception .......................................................................................... 491
Multiprocessor Transmission ............................................................................................................ 495
Multiprocessor Reception ................................................................................................................. 496
RXD2 Digital Filter Select Function ................................................................................................ 498
Clock Synchronous Serial I/O Mode ................................................................................................ 499
Special Mode 1 (I
Module Standby Control Register (MSTCR) ................................................................................... 504
SSU/IIC Pin Select Register (SSUIICSR) ........................................................................................ 504
SS Bit Counter Register (SSBR) ...................................................................................................... 505
SS Transmit Data Register (SSTDR) ................................................................................................ 505
SS Receive Data Register (SSRDR) ................................................................................................. 506
SS Control Register H (SSCRH) ...................................................................................................... 506
SS Control Register L (SSCRL) ....................................................................................................... 507
SS Mode Register (SSMR) ............................................................................................................... 508
SS Enable Register (SSER) .............................................................................................................. 509
Transfer Clock .................................................................................................................................. 512
SS Shift Register (SSTRSR) ............................................................................................................. 514
Interrupt Requests ............................................................................................................................. 515
Communication Modes and Pin Functions ....................................................................................... 516
Initialization in Clock Synchronous Communication Mode ............................................................ 517
2
C Mode) .................................................................................................................. 482
2
C Mode) .............................................................................................................. 500
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