Step Technica MKY33 Manuel utilisateur
Hi-speed Link System
Center IC
MKY33
User’s Manual
STD-HLS33-V6.4E
Note
1. The information in this document is subject to change without prior notice. Before using this
product, please confirm that this is the latest version of this document.
2. Technical information in this document, such as explanations and circuit examples, are refer-
ences for this product. When actually using this product, always fully evaluate the entire sys-
tem according to the design purpose based on considerations of peripheral circuits and the
PC board environment. We assume no responsibility for any incompatibility between this
product and your system.
3. We assume no responsibility whatsoever for any losses or damages arising from the use of
the information, products, and circuits in this document, or for infringement of patents and any
other rights of a third party.
4. When using this product and the information and circuits in this document, we do not guaran-
tee the right to use any property rights, intellectual property rights, and any other rights of a
third party.
5. This product is not designed for use in critical applications, such as life support systems. Con-
tact us when considering such applications.
6. No part of this document may be copied or reproduced in any form or by any means without
prior written permission from StepTechnica Co., Ltd..
MKY33 User’s Manual
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Preface
This manual describes the MKY33, or a kind of center IC in the Hi-speed Link System.
Be sure to read “Hi-speed Link System Introduction Guide” before understanding this manual
and the MKY33.
In this manual, the Hi-speed Link System is abbreviated as “HLS.”
Target Readers
This manual is for:
Those who first build an HLS
Those who first use StepTechnica's various ICs to build an HLS
Prerequisites
This manual assumes that you are familiar with:
Network technology
Semiconductor products (especially microcontrollers and memory)
Related Manuals
Hi-speed Link System Introduction Guide
Hi-speed Link System Technical Guide
[Caution]
To users with “Hi-speed Link System User’s Manual” released before March, 2001
Some terms in this manual have been changed to conform to International Standards.
MKY33 User’s Manual
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CONTENTS
Chapter 1 Outline of MKY33
1.1 Role of MKY33 ....................................................................................................... 1-3
1.2 Procedure for Operating MKY33.......................................................................... 1-4
1.3 Features of MKY33 ................................................................................................ 1-5
Chapter 2 MKY33 Software
2.1 Memory Map .......................................................................................................... 2-3
2.1.1 Occupied Area ............................................................................................................. 2-4
2.1.2 Data in Memory after Power-on.................................................................................. 2-4
2.1.3 Write Protection after Scan Started ........................................................................... 2-4
2.2 Areas for Basic HLS Functions............................................................................ 2-5
2.2.1 SCR Register................................................................................................................ 2-5
2.2.2 Do Area......................................................................................................................... 2-5
2.2.3 Di Area .......................................................................................................................... 2-5
2.3 Initialization, Start, and Operation of MKY33...................................................... 2-6
2.3.1 Initialization.................................................................................................................. 2-6
2.3.2 Start .............................................................................................................................. 2-6
2.3.2.1 Starting Scan ....................................................................................................... 2-6
2.3.2.2 Role of SCR.......................................................................................................... 2-6
2.3.2.3 Usage when FS Values Do Not Match Number of Existing Satellite ICs........ 2-7
2.3.2.4 Restrictions on Values Written to SCR and Causions..................................... 2-7
2.3.2.5 Scan time ............................................................................................................. 2-8
2.3.3 Basic Operation ........................................................................................................... 2-9
2.3.4 Stopping Scan ............................................................................................................. 2-9
2.4 User-support Functions...................................................................................... 2-10
2.4.1 Recognition of Link Status between Satellite ICs and MKY33.............................. 2-10
2.4.1.1 Control Area and Control Words ..................................................................... 2-10
2.4.1.2 Control Word ..................................................................................................... 2-11
2.4.1.3 Recognition of Link Status (1) ......................................................................... 2-11
2.4.1.4 Recognition of Link Status (2) ......................................................................... 2-12
2.4.1.5 How To Recognize Link Status between Satellite ICs and MKY33............... 2-12
2.4.2 Receiving non-Di Data (Individual Data by Expanded Functions)........................ 2-13
2.4.2.1 Relationship between Commands and Response Data Storage Areas ....... 2-13
2.4.2.2 Use of Commands 1 to 6 and Command Options.......................................... 2-14
2.4.2.3 Commands 7, 8, and F ...................................................................................... 2-14
2.4.2.4 Commands 9 to E .............................................................................................. 2-14
2.4.2.5 Detection of Request from Satellite IC ............................................................ 2-15
2.4.3 Checking Network Quality ........................................................................................ 2-16
2.4.4 Detecting Terminal Errors and Recognizing Poor Environment .......................... 2-16
MKY33 User’s Manual
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2.5 Notes on Accessing MKY33 ............................................................................... 2-17
2.5.1 Byte Access and Word Access ................................................................................ 2-17
2.5.2 Relationship between Response Speed and Command........................................ 2-17
2.5.3 Using Interrupt Function with SCANW Pin and SCANR Pin ................................. 2-17
2.6 Operating MKY33 for MKY34.............................................................................. 2-18
2.6.1 Operation of Do and Di Pins of MKY34 ................................................................... 2-18
2.6.2 Using Expanded Functions of MKY34..................................................................... 2-18
2.6.3 Example of Using Commands for MKY34 ............................................................... 2-19
2.6.4 Note on MKY34 Serial ID Send Function................................................................. 2-20
2.6.5 Initializing MKY33 when using battery-protected MKY34...................................... 2-20
2.7 Operating MKY33 for MKY35.............................................................................. 2-21
2.7.1 Handling of MKY35.................................................................................................... 2-21
2.7.2 Examples of Using MKY33 Di/Do Areas for MKY35 ............................................... 2-21
2.8 Operating MKY33 for MKY37.............................................................................. 2-22
2.8.1 Handling of MKY37.................................................................................................... 2-22
Chapter 3 MKY33 Hardware ................................................................................3-3
Chapter 4 Connecting MKY33
4.1 Connecting Buffer RAM........................................................................................ 4-4
4.2 Supplying Driving Clock and Hardware Reset Signal ....................................... 4-5
4.2.1 Supplying Driving Clock ............................................................................................. 4-5
4.2.2 Supplying Hardware Reset Signal ............................................................................. 4-5
4.3 Connecting Network Interface ............................................................................. 4-6
4.3.1 Selecting Communication Mode Using FH Pin......................................................... 4-6
4.3.2 RXD1 and RXD2 Pins and Two Types of Network.................................................... 4-6
4.3.3 Connecting TXE Pin and TXD Pin .............................................................................. 4-6
4.3.4 Recommended Network Connection......................................................................... 4-7
4.3.5 Setting Baud Rate........................................................................................................ 4-8
4.4 Connecting User Bus............................................................................................ 4-9
4.4.1 Data Storage Method................................................................................................... 4-9
4.4.2 Function of #SWAP Pin............................................................................................... 4-9
4.4.3 Connection to 8-bit User Bus ................................................................................... 4-10
4.4.4 Connection to 16-bit User Bus ................................................................................. 4-11
4.4.5 Recognition of Access.............................................................................................. 4-12
4.4.6 Access Time............................................................................................................... 4-13
4.4.6.1 Dynamic Arbiter in MKY33 ............................................................................... 4-13
4.4.6.2 Enable Control of Dynamic Arbiter.................................................................. 4-14
4.4.6.3 Fixing Access Time........................................................................................... 4-14
4.4.6.4 Speeding Up Access Time ............................................................................... 4-15
4.4.6.5 Details of Signal Supplied to #DAE Pin and Maximum Allowable Access Time...... 4-15
4.4.6.6 Example of Signal Supplied to #DAE Pin........................................................ 4-16
MKY33 User’s Manual
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4.4.6.7 Use of #DAEA Pin.............................................................................................. 4-17
4.4.7 Cautions for Connecting User Bus.......................................................................... 4-18
4.4.7.1 Maintaining End of Access............................................................................... 4-18
4.4.7.2 Word Access when Connecting 8-bit User Bus ............................................. 4-18
4.5 Connection of MKY33 User-support Functions ............................................... 4-19
4.5.1 Pins Indicating Scan Timing (SCANR and SCANW) .............................................. 4-19
4.5.2 Output of CHK1 Pin ................................................................................................... 4-20
4.5.3 Output of CHK2 Pin ................................................................................................... 4-20
4.5.4 Output of DREQ Pin .................................................................................................. 4-20
4.6 Connection Example of MKY33 ......................................................................... 4-21
Chapter 5 Ratings
5.1 Electrical Ratings .................................................................................................. 5-3
5.2 AC Characteristics ................................................................................................ 5-4
5.2.1 Clock and Reset Timing.............................................................................................. 5-4
5.2.2 Baud Rate Timing ........................................................................................................ 5-5
5.2.3 External Baud Rate Clock (EXC) Timing ................................................................... 5-5
5.2.4 Access Timing without DAE Control when Connecting 16-bit Bus........................ 5-6
5.2.4.1 Read Timing (without DAE control when connecting 16-bit bus) .................. 5-6
5.2.4.2 Write Timing (without DAE control when connecting 16-bit bus) .................. 5-7
5.2.5 Access Timing with DAE Control when Connecting 16-bit Bus ............................. 5-8
5.2.5.1 Read Timing (with DAE control when connecting 16-bit bus) ........................ 5-8
5.2.5.2 Write Timing (with DAE control when connecting 16-bit bus)........................ 5-9
5.2.6 Access Timing without DAE Control when Connecting 8-bit Bus........................ 5-10
5.2.6.1 Read Timing (without DAE control when connecting 8-bit bus) .................. 5-10
5.2.6.2 Write Timing (without DAE control when connecting 8-bit bus) .................. 5-11
5.2.7 Access Timing with DAE Control when Connecting 8-bit Bus ............................. 5-12
5.2.7.1 Read Timing (with DAE control when connecting 8-bit bus) ........................ 5-12
5.2.7.2 Write Timing (with DAE control when connecting 8-bit bus)........................ 5-13
5.2.8 Buffer RAM Access Timing ...................................................................................... 5-14
5.2.9 Output Timing of CHK1, CHK2, SCANR, and SCANW ........................................... 5-14
5.3 Package Dimensions .......................................................................................... 5-15
5.4 Recommended Soldering Conditions ............................................................... 5-16
5.5 Recommended Reflow Conditions .................................................................... 5-16
Appendix
Appendix 1 Memory Address Map List................................................................. App-3
Appendix 2 Scan Time Table ................................................................................. App-4
MKY33 User’s Manual
- vii -
Figures
Fig. 1.1 Basic Operation of MKY33............................................................................... 1-4
Fig. 2.1 Details of SCR ................................................................................................... 2-6
Fig. 2.2 Position of SCAN Read Timing ....................................................................... 2-9
Fig. 2.3 Configuration of Control Word...................................................................... 2-11
Fig. 2.4 Commands Specifying Expanded Functions............................................... 2-13
Fig. 3.1 MKY33 Pin Assignment.................................................................................... 3-3
Fig. 3.2 Pin Electrical Characteristics in I/O Circuit Types of MKY33 ....................... 3-8
Fig. 4.1 BRAM Connection ............................................................................................ 4-4
Fig. 4.2 Hardware Reset................................................................................................. 4-5
Fig. 4.3 Recommended Network Connection .............................................................. 4-7
Fig. 4.4 Setting of Baud Rate by BPS0 and BPS1 Pins .............................................. 4-8
Fig. 4.5 Differences between Addresses for Byte Access Depending on Endian........ 4-9
Fig. 4.6 Connection to 8-bit User Bus ........................................................................ 4-10
Fig. 4.7 Connection to 16-bit User Bus ...................................................................... 4-11
Fig. 4.8 Output Signal of ACK Pin .............................................................................. 4-12
Fig. 4.9 MKY33 Dynamic Arbiter ................................................................................. 4-13
Fig. 4.10 Operation of Bus-Arbiter................................................................................ 4-13
Fig. 4.11 Concept of Access Time by Fixed-time Method .......................................... 4-14
Fig. 4.12 Usage Example of #DAE Pin.......................................................................... 4-16
Fig. 4.13 DAEA Equivalent Circuit in MKY33............................................................... 4-17
Fig. 4.14 Usage Example of #DAEA Pin ....................................................................... 4-17
Fig. 4.15 Maintaining End of Access ............................................................................ 4-18
Fig. 4.16 Signals Indicating Scan Timing..................................................................... 4-19
Fig. 4.17 Connection Example of MKY33..................................................................... 4-21
MKY33 User’s Manual
- viii -
Tables
Table 2-1 Memory Map of MKY33................................................................................... 2-3
Table 2-2 Response Data Storage Areas for Commands .......................................... 2-13
Table 2-3 MKY34 Functions Selected by Commands and Data................................ 2-18
Table 2-4 Correspondence Issued by MKY33 of MKY37 Commands....................... 2-22
Table 3-1 Pin Functions of MKY33................................................................................. 3-4
Table 3-2 Electrical Ratings of MKY33 .......................................................................... 3-7
Table 4-1 Access Time by Fixed-time Method............................................................ 4-14
Table 4-2 Access Time when Keeping #DAE Pin High 450 ns Earlier...................... 4-15
Table 4-3 Allowable Time Obtained from Addition of
High Level Time of #DAE Pin to Access Time ........................................... 4-15
Table 5-1 Absolute Maximum Ratings........................................................................... 5-3
Table 5-2 Electrical Ratings............................................................................................ 5-3
Table 5-3 AC Characteristics Measurement Conditions.............................................. 5-4
Appendix Table 1 List of MKY33 Memory Addresses Corresponding to
Satellite Addresses (SA) and Commands ................................ App-3
Appendix Table 2 Scan Time Based on FS Values and Baud Rates .................... App-4
MKY33 User’s Manual
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MKY33 User’s Manual
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