
Shut
Auto
Retry Reporting
Status
Protection
Over Voltage
Under Voltage
Over Current/SC
Over Temperature
SPI Framing Error
Detect Down
Limiting
G
G
G
G
G
G
G
G
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How to reach us:
USA/EUROPE/Locations Not Listed:
Motorola Literature Distribution;
P.O. Box 5405, Denver, Colorado 80217
1–303–675–2140 or 1–800–441–2447
JAPAN:
Motorola Japan Ltd.; SPS, Technical Information Center,
3–20–1, Minami–Azabu. Minato–ku, Tokyo 106–8573 Japan
81–3–3440–3569
ASIA/PACIFIC:
Motorola Semiconductors H.K. Ltd.; Silicon Harbour Centre,
2 Dai King Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong
852–26668334
Technical Information Center:
1–800–521–6274
HOME PAGE:
http://www.motorola.com/semiconductors/
FEATURES
Compatible with MMT-licensed two phase stepper motors
Minimal processor overhead required
Fully integrated pointer movement and position state
machine with air core movement emulation
Analog microstepping with positioning to any microstep
Designed for a constant acceleration of 4500°/s
2
and
maximum pointer velocity of 400°/s
Pointer calibration by return to zero
16-Bit word SPI-controlled
Calibrateable internal clock
Low sleep mode current
Internal regulator to minimize IDD consumption
QUESTIONS
Do you need to driver small stepper motors with a simple microcontroller
Do you have power supply constraints
Are you looking for a simple interface to the motor controller
Do you need to detect motor end stop stalling
Do you want to eliminate production calibration of motor positions
Ordering
Information
Ship
Motorola
Part Number
Package Method
24 SOICW
Rail
T/R
PC33991DW
PC33991DWR2
Data Sheet Order Number
PC33991/D
PC33991FS/D
Rev. 0
MOTOROLA and the Stylized M Logo are registered in the U.S. Patent & Trademark Office.
All other product or service names are the property of their respective owners.
Motorola, Inc. 2001
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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