R5F21356CNFP#U0 Renesas Electronics America, R5F21356CNFP#U0 Datasheet - Page 21

• 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: -

22.
23.
21.4
22.1
22.2
22.3
22.4
22.5
23.1
23.2
23.3
21.4.1
21.4.2
21.4.3
22.2.1
22.2.2
22.2.3
22.2.4
22.2.5
22.2.6
22.2.7
22.2.8
22.3.1
22.3.2
22.3.3
22.3.4
22.4.1
22.4.2
23.2.1
23.2.2
23.2.3
23.2.4
23.2.5
23.2.6
23.2.7
23.2.8
23.2.9
23.2.10 UART2 Special Mode Register 3 (U2SMR3) .................................................................................. 466
23.2.11 UART2 Special Mode Register 2 (U2SMR2) .................................................................................. 467
23.2.12 UART2 Special Mode Register (U2SMR) ....................................................................................... 467
23.2.13 UART2 Pin Select Register 0 (U2SR0) ............................................................................................ 468
23.2.14 UART2 Pin Select Register 1 (U2SR1) ............................................................................................ 468
23.3.1
23.3.2
23.3.3
23.3.4
23.3.5
Serial Interface (UARTi (i = 0 or 1)) ............................................................................................ 436
Serial Interface (UART2) ............................................................................................................ 458
Notes on Timer RE ................................................................................................................................ 433
Overview ............................................................................................................................................... 436
Registers ................................................................................................................................................ 438
Clock Synchronous Serial I/O Mode ..................................................................................................... 443
Clock Asynchronous Serial I/O (UART) Mode .................................................................................... 450
Notes on Serial Interface (UARTi (i = 0 or 1)) ..................................................................................... 457
Overview ............................................................................................................................................... 458
Registers ................................................................................................................................................ 460
Clock Synchronous Serial I/O Mode ..................................................................................................... 469
Starting and Stopping Count ............................................................................................................. 433
Register Setting ................................................................................................................................. 433
Time Reading Procedure of Real-Time Clock Mode ....................................................................... 435
UARTi Transmit/Receive Mode Register (UiMR) (i = 0 or 1) ........................................................ 438
UARTi Bit Rate Register (UiBRG) (i = 0 or 1) ................................................................................ 438
UARTi Transmit Buffer Register (UiTB) (i = 0 or 1) ...................................................................... 439
UARTi Transmit/Receive Control Register 0 (UiC0) (i = 0 or 1) .................................................... 440
UARTi Transmit/Receive Control Register 1 (UiC1) (i = 0 or 1) .................................................... 440
UARTi Receive Buffer Register (UiRB) (i = 0 or 1) ....................................................................... 441
UART0 Pin Select Register (U0SR) ................................................................................................. 442
UART1 Pin Select Register (U1SR) ................................................................................................. 442
Measure for Dealing with Communication Errors ........................................................................... 447
Polarity Select Function .................................................................................................................... 448
LSB First/MSB First Select Function ............................................................................................... 448
Continuous Receive Mode ................................................................................................................ 449
Bit Rate ............................................................................................................................................. 455
Measure for Dealing with Communication Errors ........................................................................... 456
UART2 Transmit/Receive Mode Register (U2MR) ......................................................................... 460
UART2 Bit Rate Register (U2BRG) ................................................................................................ 460
UART2 Transmit Buffer Register (U2TB) ....................................................................................... 461
UART2 Transmit/Receive Control Register 0 (U2C0) .................................................................... 462
UART2 Transmit/Receive Control Register 1 (U2C1) .................................................................... 463
UART2 Receive Buffer Register (U2RB) ........................................................................................ 464
UART2 Digital Filter Function Select Register (URXDF) .............................................................. 465
UART2 Special Mode Register 5 (U2SMR5) .................................................................................. 465
UART2 Special Mode Register 4 (U2SMR4) .................................................................................. 466
Measure for Dealing with Communication Errors ........................................................................... 473
CLK Polarity Select Function ........................................................................................................... 473
LSB First/MSB First Select Function ............................................................................................... 474
Continuous Receive Mode ................................................................................................................ 474
Serial Data Logic Switching Function .............................................................................................. 475
A - 12