R5F21324ANSP#U1 Renesas Electronics America, R5F21324ANSP#U1 Datasheet - Page 18

• Manufacturer Part Number: R5F21324ANSP#U1
• Description: MCU 1KB FLASH 16K ROM 20-LSSOP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/32Ar

Specifications of R5F21324ANSP#U1

• 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) .................................................................................. 322
22.2.11 UART2 Special Mode Register 2 (U2SMR2) .................................................................................. 323
22.2.12 UART2 Special Mode Register (U2SMR) ....................................................................................... 323
22.2.13 UART2 Pin Select Register 0 (U2SR0) ............................................................................................ 324
22.2.14 UART2 Pin Select Register 1 (U2SR1) ............................................................................................ 324
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) ............................................................................................................ 314
Clock Synchronous Serial I/O Mode ..................................................................................................... 299
Clock Asynchronous Serial I/O (UART) Mode .................................................................................... 306
Notes on Serial Interface (UART0) ....................................................................................................... 313
Overview ............................................................................................................................................... 314
Registers ................................................................................................................................................ 316
Clock Synchronous Serial I/O Mode ..................................................................................................... 325
Clock Asynchronous Serial I/O (UART) Mode .................................................................................... 332
Special Mode 1 (I
UART0 Receive Buffer Register (U0RB) ........................................................................................ 297
UART0 Pin Select Register (U0SR) ................................................................................................. 298
Measure for Dealing with Communication Errors ........................................................................... 303
Polarity Select Function .................................................................................................................... 304
LSB First/MSB First Select Function ............................................................................................... 304
Continuous Receive Mode ................................................................................................................ 305
Bit Rate ............................................................................................................................................. 311
Measure for Dealing with Communication Errors ........................................................................... 312
UART2 Transmit/Receive Mode Register (U2MR) ......................................................................... 316
UART2 Bit Rate Register (U2BRG) ................................................................................................ 316
UART2 Transmit Buffer Register (U2TB) ....................................................................................... 317
UART2 Transmit/Receive Control Register 0 (U2C0) .................................................................... 318
UART2 Transmit/Receive Control Register 1 (U2C1) .................................................................... 319
UART2 Receive Buffer Register (U2RB) ........................................................................................ 320
UART2 Digital Filter Function Select Register (URXDF) .............................................................. 321
UART2 Special Mode Register 5 (U2SMR5) .................................................................................. 321
UART2 Special Mode Register 4 (U2SMR4) .................................................................................. 322
Measure for Dealing with Communication Errors ........................................................................... 329
CLK Polarity Select Function ........................................................................................................... 329
LSB First/MSB First Select Function ............................................................................................... 330
Continuous Receive Mode ................................................................................................................ 330
Serial Data Logic Switching Function .............................................................................................. 331
CTS/RTS Function ............................................................................................................................ 331
Bit Rate ............................................................................................................................................. 336
Measure for Dealing with Communication Errors ........................................................................... 337
LSB First/MSB First Select Function ............................................................................................... 337
Serial Data Logic Switching Function .............................................................................................. 338
TXD and RXD I/O Polarity Inverse Function .................................................................................. 338
CTS/RTS Function ............................................................................................................................ 339
RXD2 Digital Filter Select Function ................................................................................................ 339
Detection of Start and Stop Conditions ............................................................................................ 346
Output of Start and Stop Conditions ................................................................................................. 347
Transfer Clock .................................................................................................................................. 348
SDA Output ...................................................................................................................................... 348
2
C Mode) .................................................................................................................. 340
A - 9