AN2527 Freescale Semiconductor / Motorola, AN2527 Datasheet - Page 16

• Manufacturer Part Number: AN2527
• Description: DC Motor with Dead-Time Correction - XOR version TPU Function Set
• Manufacturer: Freescale Semiconductor / Motorola

AN2527/D
Performance
16
DC Motor with Dead-Time Correction – XOR version TPU Function Set (DCmDtXor) MOTOROLA
NOTE:
There is one limitation. The absolute value of parameter move has to be less
then a quarter of the PWM period T.
Execution times do not include the time slot transition time (TST = 10 or 14 IMB
clocks)
Freescale Semiconductor, Inc.
move
pw
prescaler
presc_copy
Other parameters are just for TPU function inner use.
Parameter
For More Information On This Product,
State
INIT
S1
S2
S3
Table 12. DCmDtXor_sync parameter description
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Table 13. DCmDtXor_sync State Statistics
16-bit signed integer
16-bit unsigned integer
16-bit unsigned integer
16-bit unsigned integer
Parameters written by CPU
Parameters written by TPU
Format
Max IMB Clock Cycles
move
12
12
16
8
T
4
The number of TCR1 TPU cycles
Synchronization pulse width in
The number of PWM periods per
– use in case of synchronized
The number of PWM periods per
– use in case of asynchronized
to forego (negative) or come after
(positive) the PWM period center
time
number of TCR1 TPU cycles.
synchronization pulse
prescalers change
synchronization pulse
prescalers change
RAM Accesses by TPU
Description
5
6
3
7