mc9s12hz256v2 Freescale Semiconductor, Inc, mc9s12hz256v2 Datasheet - Page 293
mc9s12hz256v2
Manufacturer Part Number
mc9s12hz256v2
Description
Hcs12 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC9S12HZ256V2.pdf
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10.2
Each SSD signal is the output pin of a half bridge, designed to source or sink current. The H-bridge pins
drive the sine and cosine coils of a stepper motor to provide four-quadrant operation. The SSD is capable
of multiplexing between stepper motor A and stepper motor B if two motors are connected.
10.2.1
These pins interface to the cosine coils of a stepper motor to measure the back EMF for calibration of the
pointer reset position.
10.2.2
These pins interface to the sine coils of a stepper motor to measure the back EMF for calibration of the
pointer reset position.
Freescale Semiconductor
External Signal Description
COSxM/COSxP — Cosine Coil Pins for Motor x
SINxM/SINxP — Sine Coil Pins for Motor x
1
x = A or B indicating motor A or motor B
MC9S12HZ256 Data Sheet, Rev. 2.05
Pin Name
COSxM
COSxP
SINxM
SINxP
Table 10-1. Pin Table
Minus
Minus
Node
Plus
Plus
1
COSx
SINx
Coil
Chapter 10 Stepper Stall Detector (SSDV1)
293
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