R5F21324ANSP#U1 Renesas Electronics America, R5F21324ANSP#U1 Datasheet - Page 19

• 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: -

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
22.7.3
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) ................................................................................................................ 368
24.2.11 SS Mode Register 2 (SSMR2) .......................................................................................................... 369
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
Clock Synchronous Serial Interface ............................................................................................ 359
Synchronous Serial Communication Unit (SSU) ........................................................................ 360
I
2
C bus Interface ......................................................................................................................... 390
Multiprocessor Communication Function ............................................................................................. 350
Notes on Serial Interface (UART2) ....................................................................................................... 357
Mode Selection ...................................................................................................................................... 359
Overview ............................................................................................................................................... 360
Registers ................................................................................................................................................ 362
Common Items for Multiple Modes ...................................................................................................... 370
Clock Synchronous Communication Mode .......................................................................................... 375
Operation in 4-Wire Bus Communication Mode .................................................................................. 382
Notes on Synchronous Serial Communication Unit .............................................................................. 389
Overview ............................................................................................................................................... 390
Registers ................................................................................................................................................ 393
SDA Input ......................................................................................................................................... 349
ACK and NACK ............................................................................................................................... 349
Initialization of Transmission/Reception .......................................................................................... 349
Multiprocessor Transmission ............................................................................................................ 353
Multiprocessor Reception ................................................................................................................. 354
RXD2 Digital Filter Select Function ................................................................................................ 356
Clock Synchronous Serial I/O Mode ................................................................................................ 357
Clock Asynchronous Serial I/O (UART) Mode ............................................................................... 358
Special Mode 1 (I
Module Standby Control Register (MSTCR) ................................................................................... 362
SSU/IIC Pin Select Register (SSUIICSR) ........................................................................................ 362
SS Bit Counter Register (SSBR) ...................................................................................................... 363
SS Transmit Data Register (SSTDR) ................................................................................................ 363
SS Receive Data Register (SSRDR) ................................................................................................. 364
SS Control Register H (SSCRH) ...................................................................................................... 364
SS Control Register L (SSCRL) ....................................................................................................... 365
SS Mode Register (SSMR) ............................................................................................................... 366
SS Enable Register (SSER) .............................................................................................................. 367
Transfer Clock .................................................................................................................................. 370
SS Shift Register (SSTRSR) ............................................................................................................. 372
Interrupt Requests ............................................................................................................................. 373
Communication Modes and Pin Functions ....................................................................................... 374
Initialization in Clock Synchronous Communication Mode ............................................................ 375
Data Transmission ............................................................................................................................ 376
Data Reception .................................................................................................................................. 378
Initialization in 4-Wire Bus Communication Mode ......................................................................... 383
Data Transmission ............................................................................................................................ 384
Data Reception .................................................................................................................................. 386
SCS Pin Control and Arbitration ...................................................................................................... 388
Module Standby Control Register (MSTCR) ................................................................................... 393
2
C Mode) .............................................................................................................. 358
A - 10