M30281FAHP datasheet(13/423 Pages) RENESAS

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A-6

16.6.4 Bits 4,5 : SDA/SCL Logic Output Value Monitor Bits SDAM/SCLM .................... 269

16.6.5 Bits 6,7 : I2C System Clock Select Bits ICK0, ICK1 ............................................ 269

16.6.6 Address Receive in STOP/WAIT Mode ............................................................... 269

16.7 I2C0 Control Register 2 (S4D0 Register) ................................................................... 270

16.7.1 Bit0: Time-Out Detection Function Enable Bit (TOE) .......................................... 271

16.7.2 Bit1: Time-Out Detection Flag (TOF ).................................................................. 271

16.7.3 Bit2: Time-Out Detection Period Select Bit (TOSEL) .......................................... 271

16.7.4 Bits 3,4,5: I2C System Clock Select Bits (ICK2-4) ............................................... 271

16.7.5 Bit7: STOP Condition Detection Interrupt Request Bit (SCPIN) .......................... 271

16.8 I2C0 START/STOP Condition Control Register (S2D0 Register) ............................... 272

16.8.1 Bit0-Bit4: START/STOP Condition Setting Bits (SSC0-SSC4) ............................ 272

16.8.2 Bit5: SCL/SDA Interrupt Pin Polarity Select Bit (SIP) .......................................... 272

16.8.3 Bit6 : SCL/SDA Interrupt Pin Select Bit (SIS) ...................................................... 272

16.8.4 Bit7: START/STOP Condition Generation Select Bit (STSPSEL) ....................... 272

16.9 START Condition Generation Method ....................................................................... 273

16.10 START Condition Duplicate Protect Function ........................................................... 274

16.11 STOP Condition Generation Method ........................................................................ 274

16.12 START/STOP Condition Detect Operation ............................................................... 276

16.13 Address Data Communication ................................................................................. 277

16.13.1 Example of Master Transmit ............................................................................. 277

16.13.2 Example of Slave Receive ................................................................................ 278

16.14 Precautions ............................................................................................................... 279

17. Programmable I/O Ports ............................................................................282

17.1 Port Pi Direction Register (PDi Register, i = 0 to 3, 6 to 10) ....................................... 282

17.2 Port Pi Register (Pi Register, i = 0 to 3, 6 to 10) ......................................................... 282

17.3 Pull-up Control Register 0 to 2 (PUR0 to PUR2 Registers) ........................................ 282

17.4 Port Control Register (PCR Register) ......................................................................... 282

17.5 Pin Assignment Control Register (PACR) ................................................................... 283

17.6 Digital Debounce Function ......................................................................................... 283

18. Flash Memory Version ...............................................................................296

18.1 Flash Memory Performance ....................................................................................... 296

18.1.1 Boot Mode ........................................................................................................... 297

18.2 Memory Map ............................................................................................................... 298

18.3 Functions To Prevent Flash Memory from Rewriting .................................................. 302

18.3.1 ROM Code Protect Function ................................................................................ 302

18.3.2 ID Code Check Function ...................................................................................... 302

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