mc9s12hz256v2 Freescale Semiconductor, Inc, mc9s12hz256v2 Datasheet - Page 303

• Manufacturer Part Number: mc9s12hz256v2
• Description: Hcs12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Figure 10-11
ITG = 0 and RCIR = 0.
Figure 10-12
ITG = 0 and RCIR = 1.
Freescale Semiconductor
shows the current flow in the SINx and COSx H-bridges when STEP = 0, DCOIL = 1,
shows the current flow in the SINx and COSx H-bridges when STEP = 1, DCOIL = 1,
T1
T2
COSxP
Figure 10-11. Current Flow when STEP = 0, DCOIL = 1, ITG = 0, RCIR = 0
SINE COIL
CURRENT
COSINE COIL
CURRENT
Recirculation
VDDM
VSSM
+
+
_ Imax
_ Imax
Imax
Imax
0
0
MC9S12HZ256 Data Sheet, Rev. 2.05
Figure 10-10. Full Steps (CCW)
COSxM
0
T4
T3
1
T5
T6
SINxP
2
Chapter 10 Stepper Stall Detector (SSDV1)
VDDM
VSSM
3
SINxM
T8
T7
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