AN2531/D Motorola / Freescale Semiconductor, AN2531/D Datasheet - Page 4

• Manufacturer Part Number: AN2531/D
• Description: Standard Space Vector Modulation with Dead-Time Correction - XOR version TPU Function Set
• Manufacturer: Motorola / Freescale Semiconductor

AN2531/D
Configuration Order
4
Standard SVM with Dead-Time Correction – XOR version (svmStdDtXor)
Table 2
Table 3
The CPU configures the TPU as follows.
svmStdDtXor_sync
1. Disables the channels by clearing the two channel priority bits on each
2. Selects the channel functions on all used channels by writing the
3. Initializes function parameters. The parameters T, prescaler, DT,
4. Issues an HSR (Host Service Request) type %10 to one of the
svmStdDtXor_fault
Freescale Semiconductor, Inc.
svmStdDtXor_res
svmStdDtXor_R
svmStdDtXor_T
TPU function
For More Information On This Product,
channel used (not necessary after reset).
function numbers to the channel function select bits.
SQRT3, CPU14 and sync_presc_addr must be set before initialization.
If an svmStdDtXor_sync channel or an svmStdDtXor_res channel is
used, then its parameters must also be set before initialization.
svmStdDtXor_R channels to initialize all svmStdDtXor_R and
svmStdDtXor_T channels. Issues an HSR type %10 to the
shows an example of configuration.
shows the TPU function code sizes.
Channel
10
11
13
14
15
0
1
2
3
4
5
6
7
8
9
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Table 2. Example of configuration
Table 3. TPU function code sizes
300 µ instructions + 8 entries = 308 long words
26 µ instructions + 8 entries = 34 long words
38 µ instructions + 8 entries = 46 long words
svmStdDtXor_sync
svmStdDtXor_fault
9 µ instructions + 8 entries = 17 long words
3 µ instructions + 8 entries = 11 long words
svmStdDtXor_res
svmStdDtXor_R
svmStdDtXor_R
svmStdDtXor_R
svmStdDtXor_T
svmStdDtXor_T
svmStdDtXor_T
svmStdDtXor_T
svmStdDtXor_T
svmStdDtXor_T
svmStdDtXor_T
svmStdDtXor_T
svmStdDtXor_T
TPU function
Code size
Priority
middle
middle
middle
middle
middle
middle
middle
middle
middle
middle
middle
middle
high
low
low
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