SH7785 Datasheet, PDF (9/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Contents
Section 1 Overview.................................................................................................................. 1
1.1 Features of the SH7785.......................................................................................................... 1
1.2 Block Diagram ..................................................................................................................... 13
1.3 Pin Arrangement Table ........................................................................................................ 14
1.4 Pin Arrangement .................................................................................................................. 22
1.5 Physical Memory Address Map ........................................................................................... 24
Section 2 Programming Model........................................................................................... 25
2.1 Data Formats........................................................................................................................ 25
2.2 Register Descriptions ........................................................................................................... 26
2.2.1 Privileged Mode and Banks .................................................................................. 26
2.2.2 General Registers.................................................................................................. 30
2.2.3 Floating-Point Registers ....................................................................................... 31
2.2.4 Control Registers .................................................................................................. 33
2.2.5 System Registers................................................................................................... 35
2.3 Memory-Mapped Registers.................................................................................................. 39
2.4 Data Formats in Registers .................................................................................................... 40
2.5 Data Formats in Memory ..................................................................................................... 40
2.6 Processing States.................................................................................................................. 41
2.7 Usage Notes ......................................................................................................................... 43
2.7.1 Notes on Self-Modifying Code............................................................................. 43
Section 3 Instruction Set....................................................................................................... 45
3.1 Execution Environment ....................................................................................................... 45
3.2 Addressing Modes ............................................................................................................... 47
3.3 Instruction Set ...................................................................................................................... 52
Section 4 Pipelining ............................................................................................................... 65
4.1 Pipelines............................................................................................................................... 65
4.2 Parallel-Executability........................................................................................................... 76
4.3 Issue Rates and Execution Cycles........................................................................................ 79
Section 5 Exception Handling ............................................................................................ 89
5.1 Summary of Exception Handling......................................................................................... 89
5.2 Register Descriptions ........................................................................................................... 89
5.2.1 TRAPA Exception Register (TRA) ...................................................................... 90
Rev.1.00 Jan. 10, 2008 Page ix of xxx
REJ09B0261-0100