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AMIS-30624 I
2
C Microstepping Motordriver
Data Sheet
16.0 I
2
C Bus Description ..........................................................................................................................................................................39
16.1 General Description......................................................................................................................................................................39
16.2 Concept ........................................................................................................................................................................................39
16.3 General Characteristics ................................................................................................................................................................40
16.4 Bit Transfer ...................................................................................................................................................................................40
16.4.1. Data Validity..........................................................................................................................................................................40
16.4.2. START and STOP Conditions...............................................................................................................................................41
16.5 Transferring Data..........................................................................................................................................................................41
16.5.1. Byte Format...........................................................................................................................................................................41
16.5.2. Acknowledge.........................................................................................................................................................................42
16.5.3. Clock Generation...................................................................................................................................................................42
16.6 Data Formats with 7-bit Addresses...............................................................................................................................................42
16.6.1. Data Transfer Formats ..........................................................................................................................................................43
16.7 7-bit Addressing............................................................................................................................................................................44
16.7.1. Definition of Bits in the First Byte...........................................................................................................................................44
16.7.2. General Call Address ............................................................................................................................................................44
17.0 I
C Application Commands...............................................................................................................................................................45
17.1 Introduction...................................................................................................................................................................................45
17.2 Commands Table..........................................................................................................................................................................45
17.3 Application Commands.................................................................................................................................................................46
18.0 Resistance to Electrical and Electromagnetic Disturbances.............................................................................................................52
18.1 Electrostatic Discharges ...............................................................................................................................................................52
18.2 Electrical Transient Conduction Along Supply Lines.....................................................................................................................52
18.3 EMC..............................................................................................................................................................................................52
18.4 Power Supply Micro-interruptions.................................................................................................................................................52
19.0 Package Outline...............................................................................................................................................................................53
20.0 Soldering..........................................................................................................................................................................................55
20.1 Introduction to Soldering Surface Mount Packages......................................................................................................................55
20.2 Re-flow Soldering..........................................................................................................................................................................55
20.3 Wave Soldering.............................................................................................................................................................................55
20.4 Manual Soldering..........................................................................................................................................................................55
21.0 Company or Product Inquiries..........................................................................................................................................................56
22.0 Document History.............................................................................................................................................................................56
4
AMI Semiconductor
– Apr. 2007, Rev 3.1, M-20664-003
www.amis.com