Serial Signal Generator IC for SLA7042M and SLA7044M
PG001M
sInput
and Output Function Correlation Table
Input
Mode
CLOCK
_IN
CW
/CCW
L
CW
L
H
CCW
H
×
RESET
×
L
H
L
Output Mode Input Mode
4 or 7
4 or 7
Output
Output
Mode
Mode
H
H
CCW
CCW
RESET
H
CW
CW
MO
Output
CLOCK STROBE
_OUT
DATA
-A
DATA
-B
×
: Don't care
: MO outputs L level while CLOCK_IN
is H level when output mode is 4:4
(7:7), 4:4 (7:7), 4:4 (7:7),or 4:4 (7:7).
Modes in brackets ( ) are for 2-2
phase VC: H.
sExcitation
Selection Table
Input
Excitation method Excitation mode
selection
VC MS1 MS2
2-2 Phase
Full Step
1-2 Phase
Half Step
W1-2 Phase
1/4 Step
2W1-2 Phase
1/8 Step
H
L
L
L
H
L
H
L
L
L
H
H
0
1
Output current mode of SLA7042M/7044M
2
3
4
5
6
7
Torque vector
0% 20% 40% 55.5% 71.4% 83% 91% 100%
141%
100%
100%
100%
100%
×
×
×
sOutput
Mode Sequence
Excitation
method
CW/CCW
CLOCK
MO
CW
DATA_A
DATA_B
CCW
DATA_A
DATA_B
2-2 Phase
Full Step (2)
(VC: L)
CW
DATA_A
DATA_B
CCW
DATA_A
DATA_B
CW
1-2 Phase
Half Step
CCW
DATA_A
DATA_B
DATA_A
DATA_B
CW
W1-2 Phase
1/4 Step
CCW
DATA_A
DATA_B
DATA_A
DATA_B
CW
DATA_A
DATA_B
CCW
DATA_A
DATA_B
RESET
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
H H H H H H H L H H H H H H H L H H H H H H H L H H H H H H H L
= = = = = = = 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7
= = = = = = = 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7
= = = = = = = 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7
= = = = = = = 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7
= = = = = = = 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4
= = = = = = = 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4
= = = = = = = 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4
= = = = = = = 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4
= = = 0 = = = 4 = = = 7 = = = 4 = = = 0 = = = 4 = = = 7 = = = 4
= = = 7 = = = 4 = = = 0 = = = 4 = = = 7 = = = 4 = = = 0 = = = 4
= = = 7 = = = 4 = = = 0 = = = 4 = = = 7 = = = 4 = = = 0 = = = 4
= = = 0 = = = 4 = = = 7 = = = 4 = = = 0 = = = 4 = = = 7 = = = 4
= 2 = 0 = 2 = 4 = 6 = 7 = 6 = 4 = 2 = 0 = 2 = 4 = 6 = 7 = 6 = 4
= 6 = 7 = 6 = 4 = 2 = 0 = 2 = 4 = 6 = 7 = 6 = 4 = 2 = 0 = 2 = 4
= 6 = 7 = 6 = 4 = 2 = 0 = 2 = 4 = 6 = 7 = 6 = 4 = 2 = 0 = 2 = 4
= 2 = 0 = 2 = 4 = 6 = 7 = 6 = 4 = 2 = 0 = 2 = 4 = 6 = 7 = 6 = 4
3 2 1 0 1 2 3 4 5 6 7 7 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 7 7 6 5 4
5 6 7 7 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 7 7 6 5 4 3 2 1 0 1 2 3 4
5 6 7 7 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 7 7 6 5 4 3 2 1 0 1 2 3 4
3 2 1 0 1 2 3 4 5 6 7 7 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 7 7 6 5 4
= : No output
L
7
7
7
7
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
2-2 Phase
Full Step (1)
(VC: H)
2W1-2 Phase
1/8 Step
PG001M
51
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