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HT66FM5440
Brushless DC Motor A/D Flash MCU
HT66FM5440
Brushless DC Motor A/D Flash MCU
Motor Protection Register Description
There are three registers, MPTC1, MPTC2 and OCPS, which are used for the motor protection
control function.
• MPTC1 Register
Bit
7
6
5
4
3
2
1
0
Name
PSWD
PSWE
CapOHE CapCHE
ISHE
AHLHE
—
OCPSE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
—
R/W
POR
0
0
0
0
0
0
—
0
Bit 7
PSWD
: Motor Protection Software Mode data
0:
PSWD=0
1:
PSWD=1
Bit 6
PSWE
: Motor Protection Software Mode control
0: Disable
1: Enable
When the motor protection software mode has been enabled and triggered, is should
be removed by setting this bit from high to low and then high again.
Bit 5
CapOHE
: CapTM_Over Hardware Mode control
0: Disable
1: Enable
Bit 4
CapCHE
: CapTM_Cmp Hardware Mode control
0: Disable
1: Enable
Bit 3
ISHE
: Int_Is Hardware Mode control
0: Disable
1: Enable
Bit 2
AHLHE
: Int_AHL_Lim Hardware Mode control
0: Disable
1: Enable
Bit 1
Unimplemented, read as "0"
Bit 0
OCPSE
: PROTECTOC over current protection control
0: Disable
1: Enable
When the PROTECTOC protection mode has been enabled and triggered, it should be
removed by clearing the OCPSE bit to zero and then setting it from low to high.