H8SLASH300H datasheet(17/552 Pages) RENESAS

17 / 552 page

Rev. 3.00 May 15, 2007 Page xvii of xxxii

Section 15 Synchronous Serial Communication Unit (SSU) ............................283

15.1

Features.............................................................................................................................. 283

15.2

Input/Output Pins ...............................................................................................................284

15.3

Register Descriptions ......................................................................................................... 285

15.3.1 SS Control Register H (SSCRH) .......................................................................... 285

15.3.2 SS Control Register L (SSCRL) ........................................................................... 287

15.3.3 SS Mode Register (SSMR) ................................................................................... 289

15.3.4 SS Enable Register (SSER) .................................................................................. 290

15.3.5 SS Status Register (SSSR) .................................................................................... 291

15.3.6 SS Receive Data Register (SSRDR) ..................................................................... 293

15.3.7 SS Transmit Data Register (SSTDR).................................................................... 293

15.3.8 SS Shift Register (SSTRSR) ................................................................................. 293

15.4

Operation ........................................................................................................................... 293

15.4.1 Transfer Clock ...................................................................................................... 293

15.4.2 Relationship between Clock Polarity and Phase, and Data................................... 294

15.4.3 Relationship between Data Input/Output and Shift Register ................................ 295

15.4.4 Communication Modes and Pin Functions ........................................................... 296

15.4.5 Operation in Clocked Synchronous Communication Mode.................................. 297

15.4.6 Operation in Four-Line Bus Communication Mode ............................................. 303

15.4.7 Initialization in Four-Line Bus Communication Mode......................................... 304

15.4.8 Serial Data Transmission ...................................................................................... 305

15.4.9 Serial Data Reception ........................................................................................... 307

15.4.10

SCS Pin Control and Arbitration .......................................................................... 309

15.4.11 Interrupt Requests ................................................................................................. 310

15.5

Usage Note......................................................................................................................... 310

Section 16 I

2C Bus Interface 2 (IIC2) ................................................................311

16.1

Features.............................................................................................................................. 311

16.2

Input/Output Pins ...............................................................................................................313

16.3

Register Descriptions ......................................................................................................... 314

16.3.1 I

2C Bus Control Register 1 (ICCR1)..................................................................... 314

16.3.2 I

2C Bus Control Register 2 (ICCR2)..................................................................... 317

16.3.3 I

2C Bus Mode Register (ICMR)............................................................................ 319

16.3.4 I

2C Bus Interrupt Enable Register (ICIER) ........................................................... 321

16.3.5 I

2C Bus Status Register (ICSR)............................................................................. 323

16.3.6 Slave Address Register (SAR).............................................................................. 326

16.3.7 I

2C Bus Transmit Data Register (ICDRT)............................................................. 326

16.3.8 I

2C Bus Receive Data Register (ICDRR).............................................................. 327

16.3.9 I

2C Bus Shift Register (ICDRS)............................................................................ 327

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