參數(shù)資料
型號(hào): AN2528D
廠商: 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述: Standard Space Vector Modulation TPU Function Set (svmStd)
中文描述: 空間矢量調(diào)制標(biāo)準(zhǔn)聚氨酯函數(shù)集(svmStd)
文件頁(yè)數(shù): 10/28頁(yè)
文件大?。?/td> 514K
代理商: AN2528D
AN2528/D
10
Standard Space Vector Modulation TPU Function Set (svmStd)
For More Information On This Product,
Go to: www.freescale.com
Performance
DT
16-bit unsigned integer
Dead-time in number of TCR1
TPU cycles
Minimum pulse width in number of
TCR1 TPU cycles. See
Performance
for details.
sqrt(3)/2 = 0.866 = $6EDA
constant
address of synchronization
channel
prescaler
parameter:
$X4,
where X is synchronization
channel number.
$0 if no synchronization channel
is used.
MPW
16-bit unsigned integer
SQRT3
16-bit fractional
sync_presc_addr
8-bit unsigned integer
Parameters written by both TPU and CPU
LD_OK
1-bit
0 ... CPU can update variables
1 ... TPU can read variables
CPU sets 1, TPU sets 0
Parameters written by TPU
Sector
16-bit unsigned integer
The position of Stator Reference
Voltage Vector in a sector. The
Sector can be 1, 2, 3, 4, 5 or 6
If fault channel is used, state of
fault pin:
0 ... low
1 ... high
fault_pinstate
0 or 1
Other parameters are just for TPU function inner use.
Table 8. svmStd_top and svmStd_bottom parameter description
Parameter
Format
Description
Table 9. svmStd_top State Statistics
State
HL
LH_C5
Max IMB Clock Cycles
2
28
RAM Accesses by TPU
1
10
Table 10. svmStd_bottom State Statistics
State
INIT
STOP
LH
HL
LH_RLD
Max IMB Clock Cycles
108
38
2
6
44
RAM Accesses by TPU
32
0
1
1
16
F
Freescale Semiconductor, Inc.
n
.
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