
TMC428 DATA SHEET (V. 1.00 / February 12, 2001)
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Copyright 2000, TRINAMIC Microchips GmbH
M I C R O C H I P S
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STEPPER MOTOR DRIVER DATAGRAM CONFIGURATION.........................................................................31
Initialization of on-chip-RAM by μC after power-on..........................................................................32
An Example of a Stepper Motor Driver Datagram Configuration ......................................................32
INITIALIZATION OF THE MICRO STEP LOOK-UP-TABLE.............................................................................35
Micro Step Enhancement .................................................................................................................37
Partial look-up table initialization option...........................................................................................38
PACKAGE OUTLINES AND DIMENSIONS..................................................................................................39
Shrink Small Outline Package with 16 Pins (SSOP16, 150 MIL ) of TMC428-I and TMC428-A ...........39
Small Outline Package with 24 Pins (SOIC24) for TMC428-PI24........................................................40
MARKING................................................................................................................................................41
CHARACTERISTICS ..................................................................................................................................42
ON-CHIP VOLTAGE REGULATOR .............................................................................................................45
POWER-ON-RESET...................................................................................................................................46
EXAMPLE FOR CALCULATION OF P_MUL AND P_DIV FOR THE TMC428 ................................................47
TABLE OF FIGURES ..................................................................................................................................48
TABLE OF TABLES....................................................................................................................................48
TABLE OF CONTENTS ..............................................................................................................................49