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TMC423 Datasheet(PDF) 1 Page - TRINAMIC Motion Control GmbH & Co. KG. |
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TMC423 Datasheet(HTML) 1 Page - TRINAMIC Motion Control GmbH & Co. KG. |
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1 / 1 page  INTEGRATED CIRCUITS INTERFACE CONTROLLER INFO M A IN CH A R AC T ER IS T ICS www.trinamic.com – for detailed information and datasheets TMC 423 Triple Incremental Encoder Interface and Companion IC for the TMC428 The TMC423 is a triple incremental encoder input chip, which interfaces to any SPI™ compatible controller. It integrates 24 bit counters – one for each encoder – to provide a high position resolution without CPU interaction. The TMC423 is intended as a companion chip for the TMC428 but not limited to this. Both ICs together enable the realization of a motion control system of three axis with encoder feedback. This provides position verifica- tion or stabilization by implementation of some additional soft- ware. Further, the TMC423 allows dynamic resolution adaptation for direct comparison of encoder counters with motors using different micro step resolution. All encoder counters can be latched synchronously, or whenever a null channel event occurs, providing a position on strobe holding function. The TMC423 also provides a step / direction output with programmable signal shaping for the TMC428 as well as a multiplexer function for the TMC428 reference switches. Additionally, the TMC423 can drive an LED matrix and read out a switch matrix, to support systems with keyboard user interaction. incremental encoder interface for three 2 or 3 channel encoders TMC428 step / direction interface extension TMC428 reference switch interface TMC428 interrupt de-multiplexer control of LED 6 x 4 Matrix control of key 6 x 4 matrix • • • • • • INTERFACE SPI interface to microcontroller • ELECTRICAL DATA 2.5V and 5V supply required 20mA LED driver outputs 5V CMOS / TTL compatible IOs • • • PACKAGE TQFP100 RoHS compliant • • ORDER CODE DESCRIPTION TMC423 3-axis encoder interface TQFP100 package TMC423 3x Encoder Interface SPI 3x step/dir converter Matrix control 3x Driver step/dir 1-3 Encoder 6x4 LED 6x4 Key Ref. Demux stop switches 6 3 REF switches 1-3 Encoder 3x Encoder 3 µC 3x Driver step/dir 3x Driver step/dir Motion Controller e.g. TMCM428 SPI to µC 10 |
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