Renesas SH7781 User Manual
Page 9

Rev.1.00 Jan. 10, 2008 Page ix of xxx
REJ09B0261-0100
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