CONTENTS
CHAPTER 1 OUTLINE............................................................................................................................... 1
1.1 Features ........................................................................................................................................... 1
1.2 List of Part Numbers ...................................................................................................................... 3
1.3 Pin Configuration (Top View) ........................................................................................................ 4
1.3.1 10-pin products ................................................................................................................................... 4
1.3.2 16-pin products ................................................................................................................................... 4
1.4 Pin Identification ............................................................................................................................. 5
1.5 Block Diagram ................................................................................................................................ 6
1.5.1 10-pin products ................................................................................................................................... 6
1.5.2 16-pin products ................................................................................................................................... 7
1.6 Outline of Functions ....................................................................................................................... 8
CHAPTER 2 PIN FUNCTIONS ............................................................................................................... 10
2.1 Port Functions .............................................................................................................................. 10
2.1.1 10-pin products ................................................................................................................................. 10
2.1.2 16-pin products ................................................................................................................................. 11
2.2 Functions other than port pins ................................................................................................... 12
2.2.1 Functions for each product ............................................................................................................... 12
2.2.2 Description of functions .................................................................................................................... 13
2.3 Connection of Unused Pins ........................................................................................................ 14
2.4 Block Diagrams of Pins ............................................................................................................... 15
CHAPTER 3 CPU ARCHITECTURE ...................................................................................................... 23
3.1 Memory Space .............................................................................................................................. 24
3.1.1 Internal program memory space ....................................................................................................... 27
3.1.2 Mirror area ........................................................................................................................................ 29
3.1.3 Internal data memory space ............................................................................................................. 30
3.1.4 Special function register (SFR) area ................................................................................................ 30
3.1.5 Extended special function register (2nd SFR: 2nd Special Function Register) area ....................... 30
3.1.6 Data memory addressing ................................................................................................................. 31
3.2 Processor Registers..................................................................................................................... 32
3.2.1 Control registers ............................................................................................................................... 32
3.2.2 General-purpose registers ................................................................................................................ 34
3.2.3 ES and CS registers ......................................................................................................................... 35
3.2.4 Special function registers (SFRs) ..................................................................................................... 36
3.2.5 Extended special function registers (2nd SFRs: 2nd Special Function Registers) ........................... 39
3.3 Instruction Address Addressing ................................................................................................. 42
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