AN2528 Freescale Semiconductor / Motorola, AN2528 Datasheet - Page 10

• Manufacturer Part Number: AN2528
• Description: Standard Space Vector Modulation TPU Function Set
• Manufacturer: Freescale Semiconductor / Motorola

AN2528/D
Performance
10
Standard Space Vector Modulation TPU Function Set (svmStd)
DT
MPW
SQRT3
sync_presc_addr
LD_OK
Sector
fault_pinstate
Other parameters are just for TPU function inner use.
Freescale Semiconductor, Inc.
Table 8. svmStd_top and svmStd_bottom parameter description
For More Information On This Product,
Parameter
LH_RLD
LH_C5
STOP
State
State
INIT
HL
LH
HL
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Table 10. svmStd_bottom State Statistics
Table 9. svmStd_top State Statistics
Parameters written by both TPU and CPU
16-bit unsigned integer
16-bit unsigned integer
16-bit fractional
8-bit unsigned integer
1-bit
16-bit unsigned integer
0 or 1
Parameters written by TPU
Max IMB Clock Cycles
Max IMB Clock Cycles
Format
108
28
38
44
2
2
6
Dead-time in number of TCR1
Minimum pulse width in number of
sqrt(3)/2 = 0.866 = $6EDA
address of synchronization
$0 if no synchronization channel
0 ... CPU can update variables
1 ... TPU can read variables
CPU sets 1, TPU sets 0
The position of Stator Reference
If fault channel is used, state of
TPU cycles
TCR1 TPU cycles. See
Performance
constant
channel prescaler parameter:
$X4,
where X is synchronization
channel number.
is used.
Voltage Vector in a sector. The
Sector can be 1, 2, 3, 4, 5 or 6
fault pin:
0 ... low
1 ... high
RAM Accesses by TPU
RAM Accesses by TPU
Description
for details.
10
32
16
1
0
1
1
MOTOROLA