AN2528 Freescale Semiconductor / Motorola, AN2528 Datasheet - Page 8

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

AN2528/D
8
Standard Space Vector Modulation TPU Function Set (svmStd)
TPU function svmStd_bottom generates an interrupt when the current values
of Ualfa, Ubeta , T and prescaler have been read by the TPU, and indicates to
the CPU that it can write new variables. The CPU program can either wait for
this interrupt to occur, or poll the LD_OK bit to check it has cleared. The
interrupt is generated at each reload by one of the bottom channels. The top
channels do not generate any interrupts.
Channel
Freescale Semiconductor, Inc.
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Table 7. svmStd_top and svmStd_bottom Parameter RAM
1
0
0
0
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Parameter 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Host Sequence Bits (HSQ)
Channel Interrupt Enable
Channel Interrupt Status
Name
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Table 6. svmStd_bottom Control Bits
0 – Channel Interrupt Disabled
1 – Channel Interrupt Enabled
0 – Interrupt Not Asserted
1 – Interrupt Asserted
xx – Not used
bottom_chan_A
fault_pinstate
center_time
LHtime_AB
HLtime_AB
HLtime_AT
LD_OK
Sector
Ubeta
Ualfa
htA
UA
UB
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