R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 18

• Manufacturer Part Number: R5F21324CNSP#U0
• Description: MCU 1KB FLASH 16K ROM 20-LSSOP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/32Cr

Specifications of R5F21324CNSP#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: 15
• 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 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-LSSOP
• 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
22.5
21.2.6
21.2.7
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) .................................................................................. 323
22.2.11 UART2 Special Mode Register 2 (U2SMR2) .................................................................................. 324
22.2.12 UART2 Special Mode Register (U2SMR) ....................................................................................... 324
22.2.13 UART2 Pin Select Register 0 (U2SR0) ............................................................................................ 325
22.2.14 UART2 Pin Select Register 1 (U2SR1) ............................................................................................ 325
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
22.5.1
22.5.2
22.5.3
22.5.4
Serial Interface (UART2) ............................................................................................................ 315
Clock Synchronous Serial I/O Mode ..................................................................................................... 300
Clock Asynchronous Serial I/O (UART) Mode .................................................................................... 307
Notes on Serial Interface (UART0) ....................................................................................................... 314
Overview ............................................................................................................................................... 315
Registers ................................................................................................................................................ 317
Clock Synchronous Serial I/O Mode ..................................................................................................... 326
Clock Asynchronous Serial I/O (UART) Mode .................................................................................... 333
Special Mode 1 (I
UART0 Receive Buffer Register (U0RB) ........................................................................................ 298
UART0 Pin Select Register (U0SR) ................................................................................................. 299
Measure for Dealing with Communication Errors ........................................................................... 304
Polarity Select Function .................................................................................................................... 305
LSB First/MSB First Select Function ............................................................................................... 305
Continuous Receive Mode ................................................................................................................ 306
Bit Rate ............................................................................................................................................. 312
Measure for Dealing with Communication Errors ........................................................................... 313
UART2 Transmit/Receive Mode Register (U2MR) ......................................................................... 317
UART2 Bit Rate Register (U2BRG) ................................................................................................ 317
UART2 Transmit Buffer Register (U2TB) ....................................................................................... 318
UART2 Transmit/Receive Control Register 0 (U2C0) .................................................................... 319
UART2 Transmit/Receive Control Register 1 (U2C1) .................................................................... 320
UART2 Receive Buffer Register (U2RB) ........................................................................................ 321
UART2 Digital Filter Function Select Register (URXDF) .............................................................. 322
UART2 Special Mode Register 5 (U2SMR5) .................................................................................. 322
UART2 Special Mode Register 4 (U2SMR4) .................................................................................. 323
Measure for Dealing with Communication Errors ........................................................................... 330
CLK Polarity Select Function ........................................................................................................... 330
LSB First/MSB First Select Function ............................................................................................... 331
Continuous Receive Mode ................................................................................................................ 331
Serial Data Logic Switching Function .............................................................................................. 332
CTS/RTS Function ........................................................................................................................... 332
Bit Rate ............................................................................................................................................. 337
Measure for Dealing with Communication Errors ........................................................................... 338
LSB First/MSB First Select Function ............................................................................................... 338
Serial Data Logic Switching Function .............................................................................................. 339
TXD and RXD I/O Polarity Inverse Function .................................................................................. 339
CTS/RTS Function ........................................................................................................................... 340
RXD2 Digital Filter Select Function ................................................................................................ 340
Detection of Start and Stop Conditions ............................................................................................ 347
Output of Start and Stop Conditions ................................................................................................. 348
Transfer Clock .................................................................................................................................. 349
SDA Output ...................................................................................................................................... 349
2
C Mode) .................................................................................................................. 341
A - 9