AN2841 Freescale Semiconductor / Motorola, AN2841 Datasheet - Page 8

• Manufacturer Part Number: AN2841
• Description: Using the Hall Decoder (HD) eTPU Function
• Manufacturer: Freescale Semiconductor / Motorola

Function Description
7) Commutation command to execute on HL transition, on decremental direction, as first (hl_d_0).
8) Commutation command to execute on HL transition, on decremental direction, as second (hl_d_1).
8
(etpu_hd_phase_commut_cmds_t structures)
Phase A
lh_d_0
lh_d_1
hl_d_0
hl_d_1
lh_i_0
lh_i_1
hl_i_0
hl_i_1
Commutation Tables
Phase B
PWMC
PWMC
PWMC
lh_d_0
lh_d_1
hl_d_0
hl_d_1
lh_i_0
lh_i_1
hl_i_0
hl_i_1
HD
Commutation of PWM Phases
Using the Hall Decoder (HD) eTPU Function, Rev. 0
Phase C
lh_d_0
lh_d_1
hl_d_0
hl_d_1
lh_i_0
lh_i_1
hl_i_0
hl_i_1
Figure 10. Commutation
Legend:
lh
hl
d
0
1
i
...
...
...
...
...
...
low-high edge
high-low edge
incremental direction
decremental direction
first commut. command
second commut. command
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