4.1
PROGRAM COUNTER (PC) ...........................................................................................................................
4.2
PROGRAM MEMORY (ROM) . .....................................................................................................................
4.3
DATA MEMORY (RAM) ...............................................................................................................................
4.4
GENERAL REGISTER . ..................................................................................................................................
4.5
ACCUMULATOR ............................................................................................................................................
4.6
STACK POINTER (SP) ...................................................................................................................................
4.7
PROGRAM STATUS WORD (PSW) .............................................................................................................
5.1
DIGITAL INPUT/OUTPUT PORTS ................................................................................................................
5.1.1
5.1.2
Input/Output Mode Setting ..........................................................................................................
5.1.3
5.1.4
5.1.5
Internal Pull-Up Resistors ............................................................................................................
5.1.6
5.2
CLOCK GENERATION CIRCUIT ....................................................................................................................
5.2.1
5.2.2
5.2.3
CPU Clock Setting .........................................................................................................................
5.2.4
5.3
CLOCK OUTPUT CIRCUIT .............................................................................................................................
5.3.1
5.3.2
5.3.3
Clock Output Procedure ...............................................................................................................
5.3.4
5.4
BASIC INTERVAL TIMER ..............................................................................................................................
5.4.1
5.4.2
5.4.3
5.4.4
5.5
SERIAL INTERFACE .......................................................................................................................................
5.5.1
Serial Interface Functions ............................................................................................................
5.5.2
5.5.3
Register Functions .........................................................................................................................
5.5.4
Operation-Halt Mode ....................................................................................................................
5.5.5
5.5.6
SBI Mode Operation .....................................................................................................................
6.1
6.2
6.3
6.4
INTERRUPT SEQUENCE ............................................................................................................................... 134
- ii -
31
31
32
33
35
36
37
39
41
42
46
47
49
51
53
54
54
55
59
61
63
63
64
65
65
66
66
67
68
69
70
70
71
74
83
84
93