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IA82527
CAN Serial Communications Controller
Data Sheet
September 16, 2009
IA82527
Serial Communications ControllerCAN Protocol
Data Sheet
IA211080504-06
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IA82527
CAN Serial Communications Controller
Data Sheet
September 16, 2009
Copyright 2009 by Innovasic Semiconductor, Inc.
Published by Innovasic Semiconductor, Inc.
3737 Princeton Drive NE, Suite 130, Albuquerque, NM 87107
MILES™ is a trademark Innovasic Semiconductor, Inc.
Intel is a registered trademark of Intel Corporation
IA211080504-06
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IA82527
CAN Serial Communications Controller
Data Sheet
September 16, 2009
TABLE OF CONTENTS
1. Introduction.............................................................................................................................6
1.1 General Description.......................................................................................................6
1.2 Features .........................................................................................................................7
2. Packaging, Pin Descriptions, and Physical Dimensions.........................................................8
2.1 Packages and Pinouts ....................................................................................................8
2.1.1 PLCC Package ..................................................................................................9
2.1.2 PLCC Physical Dimensions............................................................................11
2.1.3 PQFP Package ................................................................................................12
2.1.4 PQFP Physical Dimensions ............................................................................14
2.2 Pin/Signal Descriptions ...............................................................................................15
3. Maximum Ratings, Thermal Characteristics, and DC Parameters .......................................25
4. Functional Description..........................................................................................................28
4.1 Hardware Architecture ................................................................................................28
4.1.1 CAN Controller ..............................................................................................29
4.1.2 Message RAM ................................................................................................29
4.1.3 I/O Ports..........................................................................................................30
4.1.4 Programmable Clock Output ..........................................................................30
4.2 Address Map ...............................................................................................................30
4.3 CAN Message Objects ................................................................................................30
5. AC Specifications .................................................................................................................33
6. Innovasic Part Number Cross-Reference..............................................................................53
7. Errata.....................................................................................................................................54
7.1 Summary .....................................................................................................................54
7.2 Detail ...........................................................................................................................54
8. Revision History ...................................................................................................................57
9. For Further Information ........................................................................................................58
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IA82527
CAN Serial Communications Controller
Data Sheet
September 16, 2009
LIST OF FIGURES
Figure 1. PLCC Package Diagram..................................................................................................9
Figure 2. PLCC Physical Dimensions ..........................................................................................11
Figure 3. PQFP Package Diagram ................................................................................................12
Figure 4. PQFP Physical Dimensions...........................................................................................14
Figure 5. Functional Block Diagram ............................................................................................28
Figure 6. mosi/miso Connection ...................................................................................................29
Figure 7. Mode 0 and Mode 1: General Bus Timing...................................................................36
Figure 8. Mode 0 and Mode 1: Ready Timing for Read Cycle ...................................................37
Figure 9. Mode 0 and Mode 1: Ready Timing for Write Cycle with No Write Pending ............37
Figure 10. Mode 0 and Mode 1: Ready Timing for Write Cycle with Write Active...................38
Figure 11. Mode 2: General Bus Timing .....................................................................................41
Figure 12. Mode 3: Asynchronous Operation, Read Cycle .........................................................44
Figure 13. Mode 3: Asynchronous Operation, Write Cycle ........................................................45
Figure 14. Mode 3: Synchronous Operation, Read Cycle Timing ..............................................48
Figure 15. Mode 3: Synchronous Operation, Write Cycle Timing..............................................49
Figure 16. Serial Interface Mode: icp = 0 and cp = 0 ..................................................................52
Figure 17. Serial Interface Mode: icp = 1 and cp = 1 ..................................................................52
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IA82527
CAN Serial Communications Controller
Data Sheet
September 16, 2009
LIST OF TABLES
Table 1. PLCC Pin List.................................................................................................................10
Table 2. PQFP Pin List .................................................................................................................13
Table 3. Pin/Signal Descriptions...................................................................................................15
Table 4. Absolute Maximum Ratings ...........................................................................................25
Table 5. Thermal Characteristics ..................................................................................................25
Table 6. DC Parameters ................................................................................................................26
Table 7. ISO Physical Layer DC Parameters................................................................................27
Table 8. Address Map ...................................................................................................................31
Table 9. Message Object Structure ...............................................................................................32
Table 10. Mode 0 and Mode 1: General Bus and Ready Timing for 5.0V Operation.................34
Table 11. Mode 0 and Mode 1: General Bus and Ready Timing for 3.3V Operation.................35
Table 12. Mode 2: General Bus Timing for 5.0V Operation.......................................................39
Table 13. Mode 2: General Bus Timing for 3.3V Operation.......................................................40
Table 14. Mode 3: Asynchronous Operation Timing for 5.0V Operation...................................42
Table 15. Mode 3: Asynchronous Operation Timing for 3.3V Operation...................................43
Table 16. Mode 3: Synchronous Operation Timing for 5.0V Operation.....................................46
Table 17. Mode 3: Synchronous Operation Timing for 3.3V Operation.....................................47
Table 18. Serial Interface Mode Timing for 5.0V Operation .......................................................50
Table 19. Serial Interface Mode Timing for 3.3V Operation .......................................................51
Table 20. Innovasic Part Number Cross-Reference......................................................................53
Table 21. Revision History ...........................................................................................................57
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