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Chapter 1
Overview
1-1
Overview .................................................................................................................... I - 2
1-1-1
Overview ................................................................................................... I - 2
1-1-2
Product Summary ..................................................................................... I - 2
1-2
Hardware Functions................................................................................................... I - 3
1-3
Pin Description .......................................................................................................... I - 8
1-3-1
Pin Configuration ..................................................................................... I - 8
1-3-2
Pin Specification..................................................................................... I - 10
1-3-3
Pin Functions .......................................................................................... I - 11
1-4
Block Diagram ........................................................................................................ I - 18
1-4-1
Block Diagram ....................................................................................... I - 18
1-5
Electrical Characteristics ........................................................................................ I - 19
1-5-1
Absolute Maximum Ratings .................................................................. I - 19
1-5-2
Operating Conditions ............................................................................. I - 20
1-5-3
DC Characteristics .................................................................................. I - 24
1-5-4
A/C Characteristics ................................................................................ I - 29
1-5-5
A/D Converter Characteristics ............................................................... I - 30
1-5-6
Automatic Reset ..................................................................................... I - 31
1-6
Cautions for Circuit Setup....................................................................................... I - 32
1-6-1
General Usage ......................................................................................... I - 32
1-6-2
Unused Pins ............................................................................................ I - 33
1-6-3
Power Supply .......................................................................................... I - 35
1-6-4
Power Supply Circuit ............................................................................. I - 36
1-6-5
Oscillators ............................................................................................... I - 37
1-7
Package Dimension ................................................................................................. I - 39
1-8
Operation Mode Check List .................................................................................... I - 41
Chapter 2
Basic CPU
2-1
Overview .................................................................................................................. II - 2
2-1-1
Block Diagram ....................................................................................... II - 3
2-1-2
CPU Control Registers ........................................................................... II - 4
2-1-3
Instruction Execution Controller ........................................................... II - 5
2-1-4
Pipeline Process ...................................................................................... II - 6
2-1-5
Registers for Address .............................................................................. II - 6
2-1-6
Registers for Operation .......................................................................... II - 7
2-1-7
Processor Status Word ............................................................................ II - 8
2-1-8
Addressing Modes ............................................................................... II - 10
2-2
Memory Space ....................................................................................................... II - 12
2-2-1
Memory Mode ...................................................................................... II - 12
2-2-2
Single-chip Mode .................................................................................. II - 13
2-2-3
Special Function Registers ..................................................................... II - 14
2-3
Bus Interface .......................................................................................................... II - 15
Contents