NEC PD75402A - Manual (Page 7)

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CHAPTER 4. INTERNAL CPU FUNCTIONS ........................................................................................... 31
4.1 PROGRAM COUNTER (PC) ........................................................................................................................... 31
4.2 PROGRAM MEMORY (ROM) . ..................................................................................................................... 32
4.3 DATA MEMORY (RAM) ............................................................................................................................... 33
4.4 GENERAL REGISTER . .................................................................................................................................. 35
4.5 ACCUMULATOR ............................................................................................................................................ 36
4.6 STACK POINTER (SP) ................................................................................................................................... 37
4.7 PROGRAM STATUS WORD (PSW) ............................................................................................................. 39
CHAPTER 5. PERIPHERAL HARDWARE FUNCTIONS ........................................................................ 41
5.1 DIGITAL INPUT/OUTPUT PORTS ................................................................................................................ 41
5.1.1 Digital Input/Output Port Types, Characteristics and Configuration ...................................... 42
5.1.2 Input/Output Mode Setting .......................................................................................................... 46
5.1.3 Digital Input/Output Port Handling Instructions ....................................................................... 47
5.1.4 Digital Input/Output Port Operations .......................................................................................... 49
5.1.5 Internal Pull-Up Resistors ............................................................................................................ 51
5.1.6 Digital Input/Output Port Input/Output Timing ......................................................................... 53
5.2 CLOCK GENERATION CIRCUIT .................................................................................................................... 54
5.2.1 Clock Generation Circuit Configuration ..................................................................................... 54
5.2.2 Clock Generation Circuit Function and Operation .................................................................... 55
5.2.3 CPU Clock Setting ......................................................................................................................... 59
5.2.4 Differences Between
µ
PD75402A and
µ
PD75402 ...................................................................... 61
5.3 CLOCK OUTPUT CIRCUIT ............................................................................................................................. 63
5.3.1 Clock Output Circuit Configuration ............................................................................................. 63
5.3.2 Clock Output Mode Register (CLOM) ......................................................................................... 64
5.3.3 Clock Output Procedure ............................................................................................................... 65
5.3.4 Example of Remote Control Application .................................................................................... 65
5.4 BASIC INTERVAL TIMER .............................................................................................................................. 66
5.4.1 Basic Interval Timer Configuration ............................................................................................. 66
5.4.2 Basic Interval Timer Mode register (BTM) ................................................................................. 67
5.4.3 Basic Interval Timer Operation .................................................................................................... 68
5.4.4 Examples of Basic Interval Timer Applications ........................................................................ 69
5.5 SERIAL INTERFACE ....................................................................................................................................... 70
5.5.1 Serial Interface Functions ............................................................................................................ 70
5.5.2 Serial Interface Configuration ..................................................................................................... 71
5.5.3 Register Functions ......................................................................................................................... 74
5.5.4 Operation-Halt Mode .................................................................................................................... 83
5.5.5 3-Wire Serial I/O Mode Operation ............................................................................................... 84
5.5.6 SBI Mode Operation ..................................................................................................................... 93
CHAPTER 6. INTERRUPT FUNCTIONS .................................................................................................. 126
6.1 INTERRUPT CONTROL CIRCUIT CONFIGURATION .................................................................................. 126
6.2 INTERRUPT SOURCE TYPES AND VECTOR TABLE ................................................................................. 128
6.3 INTERRUPT CONTROL CIRCUIT HARDWARE ........................................................................................... 129
6.4 INTERRUPT SEQUENCE ............................................................................................................................... 134