Texas Instruments controlCARD with Piccolo TMS320F28027FPTT, InstaSPIN™-FOC enabled TMDSCNCD28027F TMDSCNCD28027F データシート
製品コード
TMDSCNCD28027F
Microcontroller Resources
Table 2. CPU Cycles for MIN Implementation Executing from ROM, RAM, and FLASH (continued)
CPU Cycles
Executed From
Function Name
Min
Average
Max
ROM
RAM
FLASH
Ctrl_run
✓
✓
✓
R
s
Online Disabled, ISR vs CTRL = 1, CTRL vs EST = 1
2320
2331
2413
CTRL vs EST = 2
1131
1735
2413
CTRL vs EST = 3
1154
1536
2413
ISR vs CTRL = 2, CTRL vs EST = 1
51
1191
2413
CTRL vs EST = 2
51
893
2413
CTRL vs EST = 3
51
793
2413
ISR vs CTRL = 3, CTRL vs EST = 1
51
811
2413
CTRL vs EST = 2
51
612
2413
CTRL vs EST = 3
51
544
2413
R
s
Online Enabled, ISR vs CTRL = 1, CTRL vs EST = 1
2766
2781
2882
CTRL vs EST = 2
1129
1969
2882
CTRL vs EST = 3
1129
1692
2882
ISR vs CTRL = 2, CTRL vs EST = 1
51
1424
2882
CTRL vs EST = 2
51
1010
2882
CTRL vs EST = 3
51
871
2882
ISR vs CTRL = 3, CTRL vs EST = 1
51
966
2882
CTRL vs EST = 2
51
689
2882
CTRL vs EST = 3
51
596
2882
DRV_writePwmData
110
110
110
×
✓
×
CTRL_setup
26
36
188
×
✓
✓
Table 3. Table 3. CPU loading for MIN Implementation Executing from ROM, RAM, and FLASH
2802xF CPU = 60 MHz
Available MIPs = 60 MIPs
MIPS Available
PWM = 15 kHz
CPU Utilization [%]
MIPs Used [MIPS]
[MIPS]
R
s
Online Disabled, ISR vs CTRL = 1, CTRL vs EST = 1
64.7
38.82
21.18
CTRL vs EST = 2
49.8
29.88
30.12
CTRL vs EST = 3
44.83
26.9
33.11
ISR vs CTRL = 2, CTRL vs EST = 1
36.2
21.72
38.28
CTRL vs EST = 2
28.75
17.25
42.75
CTRL vs EST = 3
26.25
15.75
44.25
ISR vs CTRL = 3, CTRL vs EST = 1
26.7
16.02
43.98
CTRL vs EST = 2
21.73
13.04
46.97
CTRL vs EST = 3
20.03
12.02
47.99
R
s
Online Enabled, ISR vs CTRL = 1, CTRL vs EST = 1
75.95
45.57
14.43
CTRL vs EST = 2
55.65
33.39
26.61
CTRL vs EST = 3
48.73
29.24
30.77
ISR vs CTRL = 2, CTRL vs EST = 1
42.03
25.22
34.79
CTRL vs EST = 2
31.68
19.01
41
CTRL vs EST = 3
28.2
16.92
43.08
ISR vs CTRL = 3, CTRL vs EST = 1
30.58
18.35
41.66
CTRL vs EST = 2
23.65
14.19
45.81
CTRL vs EST = 3
21.33
12.8
47.21
14
TMS320F28026F, TMS320F28027F InstaSPIN™-FOC Software
SPRUHP4 – August 2013
Copyright © 2013, Texas Instruments Incorporated