Rev. 4.00 Sep. 14, 2005 Page xiii of l
Contents
Section 1 Overview................................................................................................1
1.1 Features.................................................................................................................................. 1
1.2 Block Diagram.......................................................................................................................7
1.3 Pin Assignments.....................................................................................................................8
1.4 Pin functions ..........................................................................................................................9
Section 2 CPU......................................................................................................25
2.1 Registers...............................................................................................................................25
2.1.1 General Registers....................................................................................................29
2.1.2 Control Registers .................................................................................................... 31
2.1.3 System Registers..................................................................................................... 35
2.1.4 DSP Registers.........................................................................................................35
2.2 Data Formats........................................................................................................................42
2.2.1 Register Data Format (Non-DSP Type)..................................................................42
2.2.2 DSP-Type Data Formats.........................................................................................42
2.2.3 Memory Data Formats............................................................................................44
2.3 Features of CPU Core Instructions ......................................................................................44
2.4 Instruction Formats.............................................................................................................. 48
2.4.1 CPU Instruction Addressing Modes ....................................................................... 48
2.4.2 DSP Data Addressing .............................................................................................51
2.4.3 CPU Instruction Formats ........................................................................................ 58
2.4.4 DSP Instruction Formats.........................................................................................61
2.5 Instruction Set...................................................................................................................... 67
2.5.1 CPU Instruction Set ................................................................................................67
2.6 DSP Extended-Function Instructions................................................................................... 81
2.6.1 Introduction............................................................................................................. 81
2.6.2 Added CPU System Control Instructions ...............................................................82
2.6.3 Single and Double Data Transfer for DSP Data Instructions.................................. 84
2.6.4 DSP Operation Instruction Set................................................................................88
Section 3 DSP Operation.....................................................................................99
3.1 Data Operations of DSP Unit...............................................................................................99
3.1.1 ALU Fixed-Point Operations.................................................................................. 99
3.1.2 ALU Integer Operations ....................................................................................... 104
3.1.3 ALU Logical Operations.......................................................................................105
3.1.4 Fixed-Point Multiply Operation............................................................................107
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