SH7050 datasheet(7/841 Pages) RENESAS

7 / 841 page

Rev. 5.00 Jan 06, 2006 page vii of xx

Contents

Section 1 Overview.............................................................................................................

1.1

Features .............................................................................................................................

1.2

Block Diagram ..................................................................................................................

1.3

Pin Arrangement and Pin Functions .................................................................................

1.3.1

Pin Arrangement ..................................................................................................

1.3.2

Pin Functions .......................................................................................................

1.3.3

Pin Assignments...................................................................................................

Section 2 CPU ...................................................................................................................... 21

2.1

Register Configuration ......................................................................................................

2.1.1

General Registers (Rn).........................................................................................

2.1.2

Control Registers .................................................................................................

2.1.3

System Registers ..................................................................................................

2.1.4

Initial Values of Registers....................................................................................

2.2

Data Formats .....................................................................................................................

2.2.1

Data Format in Registers......................................................................................

2.2.2

Data Format in Memory.......................................................................................

2.2.3

Immediate Data Format .......................................................................................

2.3

Instruction Features...........................................................................................................

2.3.1

RISC-Type Instruction Set...................................................................................

2.3.2

Addressing Modes ...............................................................................................

2.3.3

Instruction Format................................................................................................

2.4

Instruction Set by Classification .......................................................................................

2.5

Processing States...............................................................................................................

2.5.1

State Transitions...................................................................................................

Section 3 Operating Modes............................................................................................... 51

3.1

Operating Mode Selection ................................................................................................

Section 4 Clock Pulse Generator (CPG) ....................................................................... 53

4.1

Overview...........................................................................................................................

4.1.1

Block Diagram .....................................................................................................

4.1.2

Pin Configuration.................................................................................................

4.2

Clock Operating Modes ....................................................................................................

4.3

Clock Source.....................................................................................................................

4.3.1

Connecting a Crystal Oscillator ...........................................................................

4.3.2

External Clock Input Method...............................................................................

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