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16
User’s Manual U14260EJ3V1UD
16.2 Configuration of Serial Interface SIO3 ...............................................................................
16.3 Registers to Control Serial Interface SIO3 ........................................................................
16.4 Operation of Serial Interface SIO3......................................................................................
16.4.1 Operation stop mode.................................................................................................................
16.4.2 3-wire serial I/O mode ...............................................................................................................
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311
314
314
315
CHAPTER 17 SERIAL INTERFACE CSI1 ......................................................................................
318
17.1 Functions of Serial Interface CSI1......................................................................................
17.2 Configuration of Serial Interface CSI1 ...............................................................................
17.3 Registers to Control Serial Interface CSI1.........................................................................
17.4 Operation of Serial Interface CSI1......................................................................................
17.4.1 Operation stop mode.................................................................................................................
17.4.2 3-wire serial I/O mode ...............................................................................................................
318
318
319
323
323
323
CHAPTER 18 SERIAL INTERFACE IIC0 (
μ
PD780078Y SUBSERIES ONLY)...........................
333
18.1 Functions of Serial Interface IIC0 .......................................................................................
18.2 Configuration of Serial Interface IIC0.................................................................................
18.3 Registers to Control Serial Interface IIC0 ..........................................................................
18.4 I
2
C Bus Mode Functions .....................................................................................................
18.4.1 Pin configuration .......................................................................................................................
18.5 I
2
C Bus Definitions and Control Methods .........................................................................
18.5.1 Start conditions .........................................................................................................................
18.5.2 Addresses .................................................................................................................................
18.5.3 Transfer direction specification ..................................................................................................
18.5.4 Acknowledge (ACK) signal........................................................................................................
18.5.5 Stop condition ...........................................................................................................................
18.5.6 Wait signal (WAIT) ....................................................................................................................
18.5.7 Interrupt request (INTIIC0) generation timing and wait control .................................................
18.5.8 Address match detection method .............................................................................................
18.5.9 Error detection...........................................................................................................................
18.5.10 Extension code..........................................................................................................................
18.5.11 Arbitration..................................................................................................................................
18.5.12 Wake-up function ......................................................................................................................
18.5.13 Communication reservation ......................................................................................................
18.5.14 Other cautions...........................................................................................................................
18.5.15 Communication operations .......................................................................................................
18.5.16 Timing of I
2
C interrupt request (INTIIC0) occurrence ...............................................................
18.6 Timing Charts.......................................................................................................................
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336
338
348
348
349
349
350
350
351
352
353
355
356
356
356
357
358
359
361
362
370
388
CHAPTER 19 INTERRUPT FUNCTIONS ........................................................................................
395
19.1 Interrupt Function Types.....................................................................................................
19.2 Interrupt Sources and Configuration .................................................................................
19.3 Interrupt Function Control Registers.................................................................................
19.4 Interrupt Servicing Operations ...........................................................................................
19.4.1 Non-maskable interrupt request acknowledgment operation ....................................................
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395
400
406