SH7708 Datasheet, PDF (9/633 Pages) Renesas Technology Corp – SuperH™ RISC engine

Contents
Section 1 Overview and Pin Functions.......................................................................... 1
1.1 SH7708 Series Features.................................................................................................... 1
1.2 Block Diagram................................................................................................................... 6
1.3 Pin Description .................................................................................................................. 7
1.3.1 Pin Arrangement .................................................................................................. 7
1.3.2 SH7708 Series Pin Functions ............................................................................... 8
Section 2 CPU ....................................................................................................................... 13
2.1 Register Configuration ..................................................................................................... 13
2.1.1 Privileged Mode and Banks.................................................................................. 13
2.1.2 General Registers.................................................................................................. 16
2.1.3 System Registers .................................................................................................. 17
2.1.4 Control Registers.................................................................................................. 17
2.2 Data Formats...................................................................................................................... 19
2.2.1 Data Format in Registers...................................................................................... 19
2.2.2 Data Format in Memory ....................................................................................... 19
2.3 Instruction Features ........................................................................................................... 20
2.3.1 Execution Environment........................................................................................ 20
2.3.2 Addressing Modes................................................................................................ 22
2.3.3 Instruction Formats .............................................................................................. 26
2.4 Instruction Set.................................................................................................................... 29
2.4.1 Instruction Set Classified by Function ................................................................. 29
2.4.2 Instruction Code Map ........................................................................................... 45
2.5 Processor States and Processor Modes.............................................................................. 48
2.5.1 Processor States.................................................................................................... 48
2.5.2 Processor Modes .................................................................................................. 49
2.6 Usage Note ........................................................................................................................ 50
Section 3 Memory Management Unit (MMU)............................................................ 51
3.1 Overview............................................................................................................................ 51
3.1.1 Features ................................................................................................................ 51
3.1.2 Role of MMU ....................................................................................................... 51
3.1.3 SH7708 Series MMU ........................................................................................... 54
3.1.4 Register Configuration ......................................................................................... 57
3.2 Register Description .......................................................................................................... 58
3.3 TLB Functions ................................................................................................................... 60
3.3.1 Configuration of the TLB..................................................................................... 60
3.3.2 TLB Indexing ....................................................................................................... 62
3.3.3 TLB Address Comparison.................................................................................... 63
i