HD6417618 datasheet(10/646 Pages) RENESAS

10 / 646 page

Rev. 6.00 Jun. 12, 2007 Page x of xxxii

Contents

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

1.1

Features.................................................................................................................................. 2

1.2

Block Diagram....................................................................................................................... 6

1.3

Pin Assignments .................................................................................................................... 7

1.4

Pin Functions ......................................................................................................................... 8

Section 2 CPU ....................................................................................................... 19

2.1

Features................................................................................................................................ 19

2.2

Register Configuration......................................................................................................... 19

2.2.1

General Registers (Rn)............................................................................................ 21

2.2.2

Control Registers .................................................................................................... 21

2.2.3

System Registers..................................................................................................... 22

2.2.4

Initial Values of Registers....................................................................................... 23

2.3

Data Formats........................................................................................................................ 24

2.3.1

2.3.2

Memory Data Formats ............................................................................................ 24

2.3.3

Immediate Data Formats......................................................................................... 25

2.4

Features of Instructions........................................................................................................25

2.4.1

RISC Type .............................................................................................................. 25

2.4.2

Addressing Modes .................................................................................................. 28

2.4.3

Instruction Formats ................................................................................................. 31

2.5

Instruction Set ...................................................................................................................... 35

2.5.1

Instruction Set by Type........................................................................................... 35

2.6

Processing States.................................................................................................................. 47

2.6.1

State Transition....................................................................................................... 47

Section 3 Cache ..................................................................................................... 49

3.1

Features................................................................................................................................ 49

3.1.1

Cache Structure....................................................................................................... 49

3.1.2

Divided Areas and Cache ....................................................................................... 51

3.2

Register Descriptions ...........................................................................................................52

3.2.1

Cache Control Register 1 (CCR1) .......................................................................... 52

3.2.2

Cache Control Register 3 (CCR3) .......................................................................... 53

3.3

Operation ............................................................................................................................. 54

3.3.1

Searching Cache ..................................................................................................... 54

3.3.2

Read Access............................................................................................................ 56

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