S912XHY128F0VLM Datasheet, PDF (712/802 Pages) Freescale Semiconductor, Inc – S12 Microcontrollers

Stepper Stall Detector (SSDV1) Block Description
VDDM
T1
T3
VDDM
T5
T7
COSxP
T2
COSxM
T4
SINxP
T6
SINxM
T8
VSSM
VSSM
Figure 21-11. Current Flow when STEP = 0, DCOIL = 1, ITG = 0, RCIR = 0
Figure 21-12 shows the current flow in the SINx and COSx H-bridges when STEP = 1, DCOIL = 1,
ITG = 0 and RCIR = 1.
VDDM
VDDM
T1
T3
T5
T7
COSxP
T2
COSxM
T4
SINxP
T6
SINxM
T8
VSSM
VSSM
Figure 21-12. Current Flow when STEP = 1, DCOIL = 1, ITG = 0, RCIR = 1
Figure 21-13 shows the current flow in the SINx and COSx H-bridges when STEP = 2, DCOIL = 1 and
ITG = 1.
MC9S12XHY-Family Reference Manual, Rev. 1.01
712
Freescale Semiconductor