Texas Instruments TMS320x28xx ユーザーズマニュアル
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4.5
PWM-Chopper Submodule Control Register
PWM-Chopper Submodule Control Register
Figure 4-14. Dead-Band Generator Rising Edge Delay Register (DBRED)
15
10
9
8
Reserved
DEL
R-0
R/W-0
7
0
DEL
R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 4-14. Dead-Band Generator Rising Edge Delay Register (DBRED) Field Descriptions
Bits
Name
Value
Description
15-10
Reserved
Reserved
9-0
DEL
Rising Edge Delay Count. 10-bit counter.
Figure 4-15. Dead-Band Generator Falling Edge Delay Register (DBFED)
15
10
9
8
Reserved
DEL
R-0
R/W-0
7
0
DEL
R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 4-15. Dead-Band Generator Falling Edge Delay Register (DBFED) Field Descriptions
Bits
Name
Description
15-10
Reserved
Reserved
9-0
DEL
Falling Edge Delay Count. 10-bit counter
and
provide the definitions for the PWM-chopper submodule control register.
Figure 4-16. PWM-Chopper Control Register (PCCTL)
15
11
10
8
Reserved
CHPDUTY
R-0
R/W-0
7
5
4
1
0
CHPFREQ
OSHTWTH
CHPEN
R/W-0
R/W-0
R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 4-16. PWM-Chopper Control Register (PCCTL) Bit Descriptions
Bits
Name
Value
Description
15-11
Reserved
Reserved
SPRU791D – November 2004 – Revised October 2007
Registers
105