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L6480 Datasheet(PDF) 42 Page - STMicroelectronics

Part # L6480
Description  The L6480, realized in analog mixed signal technology, is an advanced fully integrated solution suitable for driving two-phase bipolar stepper motors with microstepping.
PDF  73 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6480 Datasheet(HTML) 42 Page - STMicroelectronics

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Programming manual
L6480
42/73
Doc ID 023278 Rev 3
9
Programming manual
9.1
Register and flag description
The following shows the user registers available (detailed description in respective
paragraphs):
Table 11.
Register map
Address
[Hex]
Register name
Register function
Len.
[bit]
Reset
Hex
Reset
Value
Remarks
(1)
h01
ABS_POS
Current position
22
000000 0
R, WS
h02
EL_POS
Electrical position
9
000
0
R, WS
h03
MARK
Mark position
22
000000 0
R, WR
h04
SPEED
Current speed
20
00000
0 step/tick (0 step/s)
R
h05
ACC
Acceleration
12
08A
125.5e-12 step/tick2
(2008 step/s2)
R, WS
h06
DEC
Deceleration
12
08A
125.5e-12 step/tick2
(2008 step/s2)
R, WS
h07
MAX_SPEED
Maximum speed
10
041
248e-6 step/tick
(991.8 step/s)
R, WR
h08
MIN_SPEED
Minimum speed
12
000
0 step/tick
(0 step/s)
R, WS
h15
FS_SPD
Full-step speed
10
027
150.7e-6 step/tick
(602.7 step/s)
R, WR
h09
KVAL_HOLD
Holding KVAL
829
0.16·VS
R, WR
h0A
KVAL_RUN
Constant speed KVAL
829
0.16·VS
R, WR
h0B
KVAL_ACC
Acceleration starting
KVAL
829
0.16·VS
R, WR
h0C
KVAL_DEC
Deceleration starting
KVAL
829
0.16·VS
R, WR
h0D
INT_SPEED
Intersect speed
14
0408
15.4e-6 step/tick (61.5 step/s)
R, WH
h0E
ST_SLP
Start slope
8
19
250.038% s/step
R, WH
h0F
FN_SLP_ACC Acceleration final slope
8
29
0.063% s/step 25
R, WH
h10
FN_SLP_DEC Deceleration final slope
8
29
0.063% s/step 25
R, WH
h11
K_THERM
Thermal compensation
factor
40
1.0
R, WR
h12
ADC_OUT
ADC output
5
XX(2)
0R
h13
OCD_TH
OCD threshold
5
8
281.25 mV
R, WR
h14
STALL_TH
STALL threshold
5
10
531.25 mV
R, WR
h16
STEP_MODE
Step mode
4
7
BUSY/SYNC output used as
BUSY, 128
μsteps
R, WH
h17
ALARM_EN
Alarms enables
8
FF
All alarms enabled
R, WS



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