PXD10RM Datasheet, PDF (1190/1332 Pages) Freescale Semiconductor, Inc – PXD10 Microcontroller

VDDM
T1
T3
VDDM
T5
T7
COSP
T2
COSM
T4
SINP
T6
SINM
T8
VSSM
VSSM
Figure 36-14. Current flow for Blanking (STEP = 0, BLNDCL = 1, RCIR = 0)
In Figure 36-15 below the recirculation at the beginning of the next BIS for STEP = 1 with changed setting
of the RCIR bit is shown. The sine coil is driven again in P -> M direction and the cosine coil is
recirculated against VSSM.
VDDM
VDDM
T1
T3
T5
T7
COSP
T2
COSM
T4
SINP
T6
SINM
T8
VSSM
VSSM
Figure 36-15. Current flow for Blanking (STEP = 1, BLNDCL = 1, RCIR = 1)
In Figure 36-16 below it is shown that for the next step (STEP = 2) the cosine coil is driven in reverse
direction with respect to STEP = 0 (M -> P direction). Because it is the integration phase of the BIS, the
sine coil is isolated from the analog supply voltages. Instead, it is connected to the -modulator (not
shown).
36-24
PXD10 Microcontroller Reference Manual, Rev. 1
Preliminary—Subject to Change Without Notice
Freescale Semiconductor