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33970 Datasheet, PDF (35/36 Pages) Freescale Semiconductor, Inc – Dual Gauge Driver Integrated Circuit with Improved Damping Algorithms
REVISION HISTORY
REVISION HISTORY
REVISION DATE
2.0
8/2006
3.0
1/2007
DESCRIPTION OF CHANGES
• Implemented Revision History page
• Converted to Freescale format
• Corrected Symbol notation for Microstep Output (Measured Across Coil Outputs)
SIN0,1, ± (COS0,1, ±) (refer to Table 1) and Output Flyback Clamp (10)
• Added maximum pointer calculation on page 16
• Corrected detect threshold upper range from 4081 to 1009
• Changed internal clock variation from 35% to 70%
• Changed EMF to flux on page 28
• Added MCZ33970EG/R2 to the Ordering Information block
• Revised Internal Block Diagram to enhance readability
• Added parameter Peak Package Reflow Temperature During Reflow (4), (5) on page 4
and notes (4) and (5)
• Added ADC Gain (10), (13) to Static Elecrtrical Characteristics table.
• Made wording additions to Address 101—Gauge Return to Zero Configuration Register
on page 17 and RC12:RC11 = M on page 18
• Added RTZ Accumulator (Typical) on page 21 and accompanying text
Analog Integrated Circuit Device Data
Freescale Semiconductor
33970
35