AN2518 Freescale Semiconductor / Motorola, AN2518 Datasheet - Page 20

• Manufacturer Part Number: AN2518
• Description: 3-Phase Sine Wave Generator - 3 outputs version - XOR version TPU Function Set
• Manufacturer: Freescale Semiconductor / Motorola

AN2518/D
Performance
20
3-Phase Sine Wave Generator – 3 outputs version – XOR version TPU Function Set (3Sin3Xor)
NOTE:
There is one limitation. The absolute value of parameter move has to be less
than a quarter of the PWM period T.
Execution times do not include the time slot transition time (TST = 10 or 14 IMB
clocks)
move
presc_addr
prescaler
Other parameters are just for TPU function inner use.
Freescale Semiconductor, Inc.
Parameter
For More Information On This Product,
State
INIT
S1
S3
Go to: www.freescale.com
Table 16. 3Sin3Xor_res parameter description
16-bit signed integer
16-bit unsigned integer
1, 2, 4, 6, 8, 10, 12, 14, ...
Table 17. 3Sin3Xor_res State Statistics
Parameters written by CPU
Parameters written by TPU
Format
Max IMB Clock Cycles
move
12
26
18
T
4
The number of TCR1 TPU cycles to
$00X6, where X is a number of
or
$0000 to enable direct specification
The number of PWM periods per
– use when apresc_addr = 0
forego (negative) or come after
(positive) the PWM period center
time
Synchronization Signal channel, to
inherit Sync. channel prescaler
of prescaler value in prescaler
parameter
synchronization pulse
RAM Accesses by TPU
Description
5
9
7
MOTOROLA