TMC428_06 Datasheet, PDF (57/58 Pages) List of Unclassifed Manufacturers – Intelligent Triple Stepper Motor Controller with Serial Peripheral Interfaces

TMC428 DATASHEET (v. 2.02 / April 26^th, 2006)
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8.9 is_agtat & is_aleat & is_v0 & a_threshold (IDX=%1000) .......................................................18
8.10 pmul & pdiv (IDX=%1001) ..................................................................................................19
8.11 Calculation of p_mul and p_div ..........................................................................................20
8.11.1 Optimized Calculation of p_mul and p_div......................................................................22
8.12 lp & ref_conf & ramp_mode (rm) (IDX=%1010) .................................................................22
8.13 interrupt_mask & interrupt_flags (IDX=%1011)..................................................................24
8.14 pulse_div & ramp_div & usrs (IDX=%1100) .......................................................................26
8.15 dx_ref_tolerance (IDX=%1101) ..........................................................................................27
8.16 x_latched (IDX=%1110) .....................................................................................................27
8.17 Unused Address (IDX=%1111) ..........................................................................................27
9 Global Parameter Registers .......................................................................................................27
9.1 datagram_low_word (JDX=%0000) & datagram_high_word (JDX=%0001) .........................27
9.2 cover_pos & cover_len (JDX=%0010) ...................................................................................28
9.3 cover_datagram (JDX=%0011)..............................................................................................28
9.4 Unused Addresses (JDX={%0011, ..., %0111, %1001, ..., %1101}) .....................................29
9.5 power_down (JDX=%1000) ...................................................................................................29
9.6 Reference Switches l3 & r3 & l2 & r2 & l2 & r1 (JDX=%1110)...............................................29
9.7 Stepper Motor Global Parameter Register (JDX=%1111) .....................................................29
9.8 Triple Switch Configuration ....................................................................................................33
9.9 Reference Search ..................................................................................................................34
9.10 Simultanous Start of up to Three Stepper Motors ..............................................................34
10 RAM Address Partitioning and Data Organization ...............................................................35
11 Stepper Motor Driver Datagram Configuration.....................................................................36
11.1 Initialization of on-chip-RAM by µC after power-on ............................................................37
11.2 An Example of a Stepper Motor Driver Datagram Configuration .......................................38
12 Initialization of the Micro Step Look-Up-Table .....................................................................39
12.1 Stepping through the Wave Look-Up-Table .......................................................................41
12.2 Partial look-up table initialization option..............................................................................42
12.3 Micro Step Enhancement ...................................................................................................43
13 How to get Started in Running a Motor .................................................................................44
14 Package Outlines and Dimensions ........................................................................................45
14.1 Shrink Small Outline Package with 16 Pins (SSOP16, 150 MIL ) of TMC428-I and TMC428-
A
45
14.2 Small Outline Package with 24 Pins (SOP24) of TMC428-PI24 ........................................46
14.3 Dual-In-Line Package with 20 Pins (DIL20) of TMC428-DI20............................................47
15 Marking .....................................................................................................................................48
16 On-Chip Voltage Regulator.....................................................................................................49
17 Power-On-Reset.......................................................................................................................50
18 Characteristics .........................................................................................................................51
19 Example for Calculation of p_mul and p_div for the TMC428............................................53
20 Table of Figures .......................................................................................................................55
21 Table of Tables.........................................................................................................................55
22 Table of Contents ....................................................................................................................56
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