R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 19

• 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: -

23.
24.
25.
22.6
22.7
23.1
24.1
24.2
24.3
24.4
24.5
24.6
25.1
25.2
22.5.5
22.5.6
22.5.7
22.6.1
22.6.2
22.6.3
22.7.1
22.7.2
24.2.1
24.2.2
24.2.3
24.2.4
24.2.5
24.2.6
24.2.7
24.2.8
24.2.9
24.2.10 SS Status Register (SSSR) ................................................................................................................ 369
24.2.11 SS Mode Register 2 (SSMR2) .......................................................................................................... 370
24.3.1
24.3.2
24.3.3
24.3.4
24.4.1
24.4.2
24.4.3
24.5.1
24.5.2
24.5.3
24.5.4
25.2.1
25.2.2
Clock Synchronous Serial Interface ............................................................................................ 360
Synchronous Serial Communication Unit (SSU) ........................................................................ 361
I
2
C bus Interface ......................................................................................................................... 391
Multiprocessor Communication Function ............................................................................................. 351
Notes on Serial Interface (UART2) ....................................................................................................... 358
Mode Selection ...................................................................................................................................... 360
Overview ............................................................................................................................................... 361
Registers ................................................................................................................................................ 363
Common Items for Multiple Modes ...................................................................................................... 371
Clock Synchronous Communication Mode .......................................................................................... 376
Operation in 4-Wire Bus Communication Mode .................................................................................. 383
Notes on Synchronous Serial Communication Unit .............................................................................. 390
Overview ............................................................................................................................................... 391
Registers ................................................................................................................................................ 394
SDA Input ......................................................................................................................................... 350
ACK and NACK ............................................................................................................................... 350
Initialization of Transmission/Reception .......................................................................................... 350
Multiprocessor Transmission ............................................................................................................ 354
Multiprocessor Reception ................................................................................................................. 355
RXD2 Digital Filter Select Function ................................................................................................ 357
Clock Synchronous Serial I/O Mode ................................................................................................ 358
Special Mode 1 (I
Module Standby Control Register (MSTCR) ................................................................................... 363
SSU/IIC Pin Select Register (SSUIICSR) ........................................................................................ 363
SS Bit Counter Register (SSBR) ...................................................................................................... 364
SS Transmit Data Register (SSTDR) ................................................................................................ 364
SS Receive Data Register (SSRDR) ................................................................................................. 365
SS Control Register H (SSCRH) ...................................................................................................... 365
SS Control Register L (SSCRL) ....................................................................................................... 366
SS Mode Register (SSMR) ............................................................................................................... 367
SS Enable Register (SSER) .............................................................................................................. 368
Transfer Clock .................................................................................................................................. 371
SS Shift Register (SSTRSR) ............................................................................................................. 373
Interrupt Requests ............................................................................................................................. 374
Communication Modes and Pin Functions ....................................................................................... 375
Initialization in Clock Synchronous Communication Mode ............................................................ 376
Data Transmission ............................................................................................................................ 377
Data Reception .................................................................................................................................. 379
Initialization in 4-Wire Bus Communication Mode ......................................................................... 384
Data Transmission ............................................................................................................................ 385
Data Reception .................................................................................................................................. 387
SCS Pin Control and Arbitration ...................................................................................................... 389
Module Standby Control Register (MSTCR) ................................................................................... 394
SSU/IIC Pin Select Register (SSUIICSR) ........................................................................................ 394
2
C Mode) .............................................................................................................. 359
A - 10