MC9S12HZ256 Datasheet, PDF (304/692 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers

Chapter 10 Stepper Stall Detector (SSDV1)
VDDM
T1
T3
VDDM
T5
T7
COSxP
T2
COSxM
T4
SINxP
T6
SINxM
T8
VSSM
VSSM
Figure 10-12. Current Flow when STEP = 1, DCOIL = 1, ITG = 0, RCIR = 1
Figure 10-13 shows the current flow in the SINx and COSx H-bridges when STEP = 2, DCOIL = 1 and
ITG = 1.
VDDM
VDDM
T1
T3
T5
T7
COSxP
T2
COSxM
T4
SINxP
T6
SINxM
T8
VSSM
VSSM
Figure 10-13. Current flow when STEP = 2, DCOIL = 1, ITG = 1
Figure 10-14 shows the current flow in the SINx and COSx H-bridges when STEP = 3, DCOIL = 1 and
ITG = 1.
MC9S12HZ256 Data Sheet, Rev. 2.04
304
Freescale Semiconductor