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MC1451A Dataheets PDF



Part Number MC1451A
Manufacturers PMD
Logo PMD
Description (MC1x51A) Advanced Step Motor Control Chipset
Datasheet MC1451A DatasheetMC1451A Datasheet (PDF)

www.DataSheet4U.com Advanced Step Motor Control Chipset Features Advanced control of up to 4 step motors per chipset High speed pulse and direction output S-curve, trapezoidal, velocity contouring, and electronic gearing trajectory modes Optional incremental encoder feedback Software & feature compatible with other versions of PMD's chipset family Available in 1, 2, or 4 axis configurations 32-bit position, velocity, acceleration and jerk trajectory profile registers Pulse and direction output .

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www.DataSheet4U.com Advanced Step Motor Control Chipset Features Advanced control of up to 4 step motors per chipset High speed pulse and direction output S-curve, trapezoidal, velocity contouring, and electronic gearing trajectory modes Optional incremental encoder feedback Software & feature compatible with other versions of PMD's chipset family Available in 1, 2, or 4 axis configurations 32-bit position, velocity, acceleration and jerk trajectory profile registers Pulse and direction output for each axis at up to 1.5 Mpulses/sec On-the-fly stall detection Two travel-limit switches per axis External motion breakpoint per axis Intelligent easy-to-use packet-oriented command protocol Programmable pulse output modes Chipset Developer's kit available MC1451A, MC1451A-E MC1251A, MC1251A-E MC1151A, MC1151A-E General Description The MC1451A is a dedicated motion processor which functions as a complete chip-based step motor controller. Packaged in a 2-IC chipset, this device performs trajectory generation and pulse and direction signal generation for use in a wide variety of stepper-based systems. The MC1451A provides an optional third IC which allows incremental encoder signal input for position verification and on-the-fly stall detection. The MC1451A is available in a one, a two, and a four-axis configuration. The MC1451A is functionally similar to other PMD motion processors however it is dedicated to the control of step motors, instead of servo motors. All of these devices provide sophisticated trajectory generation and synchronization features allowing the creation of complex motion sequences. Typical Configuration Host Processor Amp M E Axis 1 In addition to pulse and direction circuitry which can output at up to 1.5 megapulses per second the chipset provides two limit switches per axis, a programmable external signal breakpoint per axis, and an 'At Rest' output signal. The chipset is controlled by a host processor which interfaces with the chipset via an 8-bit bi-directional port. Communications to/from the chipset consist of packet-oriented messages. A host interrupt line is provided so that the chipset can signal the host when special conditions occur such as stall detection. The chipset is packaged in 2 68-pin PLCC packages. An optional third 44 pin PLCC chip provides encoder input. All chips are CMOS and are powered by 5 volts. Amp M E Axis 2 MC1451A (I/O & CP & ENC) (MC1451A, MC1251A only) Amp M E Axis 3 (MC1451A only) Amp M E Axis 4 (MC1451A only) Doc. Rev. 12.02, Nov. 1997 Performance Motion Devices, Inc. 12 Waltham St. Lexington, MA 02421 tel: 781.674.9860 fax: 781.674.9861 www.pmdcorp.com Table of Contents Product Family Overview....................................... Page 3 Introduction........................................................... Page 3 Family Summary................................................... Page 3 Electrical Characteristics....................................... Page 4 Absolute Maximum Ra.


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