R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 18

• Manufacturer Part Number: R5F21334CNFP#U0
• Description: MCU 1KB FLASH 16K ROM 32-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/33Cr

Specifications of R5F21334CNFP#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: 27
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.5K 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: 32-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

22.
21.3
21.4
21.5
22.1
22.2
22.3
22.4
21.2.2
21.2.3
21.2.4
21.2.5
21.2.6
21.2.7
21.2.8
21.3.1
21.3.2
21.3.3
21.3.4
21.4.1
21.4.2
22.2.1
22.2.2
22.2.3
22.2.4
22.2.5
22.2.6
22.2.7
22.2.8
22.2.9
22.2.10 UART2 Special Mode Register 3 (U2SMR3) .................................................................................. 334
22.2.11 UART2 Special Mode Register 2 (U2SMR2) .................................................................................. 335
22.2.12 UART2 Special Mode Register (U2SMR) ....................................................................................... 335
22.2.13 UART2 Pin Select Register 0 (U2SR0) ............................................................................................ 336
22.2.14 UART2 Pin Select Register 1 (U2SR1) ............................................................................................ 336
22.3.1
22.3.2
22.3.3
22.3.4
22.3.5
22.3.6
22.4.1
22.4.2
22.4.3
22.4.4
22.4.5
22.4.6
22.4.7
Serial Interface (UART2) ............................................................................................................ 326
Clock Synchronous Serial I/O Mode ..................................................................................................... 311
Clock Asynchronous Serial I/O (UART) Mode .................................................................................... 318
Notes on Serial Interface (UARTi (i = 0 or 1)) ..................................................................................... 325
Overview ............................................................................................................................................... 326
Registers ................................................................................................................................................ 328
Clock Synchronous Serial I/O Mode ..................................................................................................... 337
Clock Asynchronous Serial I/O (UART) Mode .................................................................................... 344
UARTi Bit Rate Register (UiBRG) (i = 0 or 1) ................................................................................ 306
UARTi Transmit Buffer Register (UiTB) (i = 0 or 1) ...................................................................... 307
UARTi Transmit/Receive Control Register 0 (UiC0) (i = 0 or 1) .................................................... 308
UARTi Transmit/Receive Control Register 1 (UiC1) (i = 0 or 1) .................................................... 308
UARTi Receive Buffer Register (UiRB) (i = 0 or 1) ....................................................................... 309
UART0 Pin Select Register (U0SR) ................................................................................................. 310
UART1 Pin Select Register (U1SR) ................................................................................................. 310
Measure for Dealing with Communication Errors ........................................................................... 315
Polarity Select Function .................................................................................................................... 316
LSB First/MSB First Select Function ............................................................................................... 316
Continuous Receive Mode ................................................................................................................ 317
Bit Rate ............................................................................................................................................. 323
Measure for Dealing with Communication Errors ........................................................................... 324
UART2 Transmit/Receive Mode Register (U2MR) ......................................................................... 328
UART2 Bit Rate Register (U2BRG) ................................................................................................ 328
UART2 Transmit Buffer Register (U2TB) ....................................................................................... 329
UART2 Transmit/Receive Control Register 0 (U2C0) .................................................................... 330
UART2 Transmit/Receive Control Register 1 (U2C1) .................................................................... 331
UART2 Receive Buffer Register (U2RB) ........................................................................................ 332
UART2 Digital Filter Function Select Register (URXDF) .............................................................. 333
UART2 Special Mode Register 5 (U2SMR5) .................................................................................. 333
UART2 Special Mode Register 4 (U2SMR4) .................................................................................. 334
Measure for Dealing with Communication Errors ........................................................................... 341
CLK Polarity Select Function ........................................................................................................... 341
LSB First/MSB First Select Function ............................................................................................... 342
Continuous Receive Mode ................................................................................................................ 342
Serial Data Logic Switching Function .............................................................................................. 343
CTS/RTS Function ........................................................................................................................... 343
Bit Rate ............................................................................................................................................. 348
Measure for Dealing with Communication Errors ........................................................................... 349
LSB First/MSB First Select Function ............................................................................................... 349
Serial Data Logic Switching Function .............................................................................................. 350
TXD and RXD I/O Polarity Inverse Function .................................................................................. 350
CTS/RTS Function ........................................................................................................................... 351
RXD2 Digital Filter Select Function ................................................................................................ 351
A - 9