Rohm LAPIS SEMICONDUCTOR ML620Q503, User Manual

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ML620Q503/Q504 User’s Manual
Contents
FEUL620Q504 contents–1
Table of Contents
Chapter 1
1. Overview ........................................................................................................................................... 1-1
1.1 Features
....................................................................................................................................... 1-1
1.2 Configuration of Functional Blocks ............................................................................................ 1-5
1.2.1 Block Diagram of ML620Q503/504 ............................................................................ 1-5
1.3 Pins ......................................................................................................................................... 1-6
1.3.1 Pin Layout ................................................................................................................... 1-6
1.3.1.1 Pin Layout of ML620Q503/Q504 TQFP Package
............................................ 1-6
1.3.2 List of Pins .................................................................................................................. 1-7
1.3.2.1 List of Pins of ML620Q503/Q504 TQFP Package
........................................... 1-7
1.3.3 Description of Pins .................................................................................................... 1-10
1.3.4 Termination of Unused Pins ..................................................................................... 1-13
Chapter 2
2. CPU and Memory Space .................................................................................................................. 2-1
2.1 General Description .................................................................................................................... 2-1
2.1.1 Features ...................................................................................................................... 2-1
2.1.2 Notes When Executing SB/RB Instruction .................................................................. 2-1
2.2 Program Memory Space
.............................................................................................................
2-2
2.3 Data Memory Space
...................................................................................................................
2-3
2.4 Instruction Length
........................................................................................................................
2-5
2.5 Data Type ............................................................................................................................... 2-5
2.6 Description of Registers ............................................................................................................. 2-5
2.6.1 List of Registers .......................................................................................................... 2-5
2.6.2 Data Segment Register (DSR) ................................................................................... 2-5
2.7 Multiplication/Division Coprocessor
...........................................................................................
2-
6
2.7.1 General Description .................................................................................................... 2-6
2.7.2 List of Registers .......................................................................................................... 2-6
2.7.2.1 Registers A, B, C, and D (CR0 to CR7)
............................................................ 2-7
2.7.2.2 Operation Mode Register (CR8)
....................................................................... 2-8
2.7.2.3 Operation Status Register (CR9) ...................................................................... 2-9
2.7.2.4 Coprocessor ID Register (CR15) .................................................................... 2-10
2.7.3 Description of Operation ........................................................................................... 2-11
Chapter 3
3. Reset Function .................................................................................................................................. 3-1
3.1 Overview
......................................................................................................................................
3-1
3.1.1 Features ...................................................................................................................... 3-1
3.1.2 Configuration ............................................................................................................... 3-1
3.1.3 List of Pin .................................................................................................................... 3-1
3.2 Description of Registers ............................................................................................................. 3-2
3.2.1 List of Registers .......................................................................................................... 3-2
3.2.2 Reset Status Register (RSTAT) .................................................................................. 3-3
3.3 Description of Operation
............................................................................................................. 3-4
3.3.1 Cause of Reset ........................................................................................................... 3-4
3.3.2 Operation of System Reset Mode ............................................................................... 3-4