
R01UH0025EJ0300 Rev. 3.00
Page ix of xxxii
Sep 24, 2010
Contents
Section 1 Overview................................................................................................1
1.1
SH7261 Group Features........................................................................................................ 1
1.2
Product Lineup.................................................................................................................... 10
1.3
Block Diagram.................................................................................................................... 11
1.4
Pin Assignments .................................................................................................................12
1.5
Pin Functions ...................................................................................................................... 15
Section 2 CPU......................................................................................................23
2.1
Register Configuration........................................................................................................ 23
2.1.1
General Registers ................................................................................................ 23
2.1.2
Control Registers ................................................................................................ 24
2.1.3
System Registers ................................................................................................. 26
2.1.4
Register Banks .................................................................................................... 27
2.1.5
Initial Values of Registers................................................................................... 27
2.2
Data Formats....................................................................................................................... 28
2.2.1
Data Format in Registers .................................................................................... 28
2.2.2
Data Formats in Memory .................................................................................... 28
2.2.3
Immediate Data Format ...................................................................................... 29
2.3
Instruction Features............................................................................................................. 30
2.3.1
RISC-Type Instruction Set.................................................................................. 30
2.3.2
Addressing Modes .............................................................................................. 34
2.3.3
Instruction Format............................................................................................... 38
2.4
Instruction Set ..................................................................................................................... 42
2.4.1
Instruction Set by Classification ......................................................................... 42
2.4.2
Data Transfer Instructions................................................................................... 48
2.4.3
Arithmetic Operation Instructions ...................................................................... 52
2.4.4
Logic Operation Instructions .............................................................................. 55
2.4.5
Shift Instructions................................................................................................. 56
2.4.6
Branch Instructions ............................................................................................. 57
2.4.7
System Control Instructions................................................................................ 58
2.4.8
Floating Point Operation Instructions ................................................................. 60
2.4.9
FPU-Related CPU Instructions ........................................................................... 62
2.4.10
Bit Manipulation Instructions ............................................................................. 63
2.5
Processing States................................................................................................................. 64