IRMCK201 International Rectifier Corp., IRMCK201 Datasheet - Page 56

• Manufacturer Part Number: IRMCK201
• Description: High Performance Configurable Digital Ac Servo Control Ic
• Manufacturer: International Rectifier Corp.

C
3
C
3
2
2
u
u
b
b
r
r
r
r
i
i
t
e
t
Field
Name
Spd
e
Field
Name
IfbVOffs,
IfbWOffs
Q
Q
n
n
Offset
Offset
Byte
0x30
0x31
0x32
Byte
0x34
0x35
0x36
0x37
u
u
t
t
F
F
a
a
e
e
d
d
e
e
D
D
d
d
e
e
b
b
c
c
a
a
o
o
c
c
d
d
k
k
e
e
O
O
7
7
Access
(R/W)
Access
(R/W)
S
S
f
f
t
t
f
f
CurrentFeedbackOffset Read Register Field Definitions
a
a
s
s
R
R
e
t
e
t
u
u
t
t
s
s
R
R
VelocityStatus Read Register Field Definitions
R
R
32bitQuadDecodeStatus Read Register Map
e
CurrentFeedbackOffset Read Register Map
e
IfbWOffs (LSBs)
6
e
6
e
g
g
Field Description
Current motor speed in SPEED units. (See the description of SpdScl
in the VelocityControl write register group.)
Field Description
Current feedback offset values from the last IFB Offset calculation.
These values are automatically applied to each current feedback
measurement
SystemControl write register group is set.
g
i
g
i
s
s
i
i
t
s
t
s
e
e
(R)
t
t
e
r
e
r
r
r
IRMCK201
G
G
G
G
r
r
o
o
5
5
r
r
o
u
o
u
u
u
p
p
p
p
(
(
R
R
(
value
(
EncCnt32bR (bits 16-23)
EncCnt32bR (bits 24-31)
R
R
EncCnt32bR (bits 8-15)
e
e
EncCnt32bR (bits 0-7)
e
e
a
a
IfbWOffs (MSBs)
Bit Position
IfbVOffs (LSBs)
a
Bit Position
d
a
4
d
4
d
d
R
R
R
R
whenever
e
e
(R)
(R)
(R)
(R)
(R)
(R)
e
e
g
g
g
i
g
i
s
s
i
i
t
s
t
s
e
e
t
t
3
3
e
r
e
r
s
s
r
r
s
)
s
)
)
)
the
IfbVOffs (MSBs)
2
2
IfbOffsEnb
(R)
1
1
bit
in
0
0
the