PG001M
sInternal
Block Diagram
VDD
16
··· Input
··· Output
MS1
MS1
6
7
(A)
Excitation mode setting section
SET
(Numbers indicate
pin numbers.)
sInput
and Output Function Correlation Table
Input
Mode
CLOCK
_IN
CW
/CCW
L
CW
L
H
CCW
H
H
CCW
H
H
L
L
Output Mode Input Mode
4 or 7
4 or 7
Output
Output
Mode
Mode
×
14 CLOCK_OUT
(C)
Parallel-serial
signal converter
11 DATA_A
10 DATA_B
13 STROBE
Input Output
RESET
H
CW
CW
MO
CLOCK STROBE
_OUT
DATA
-A
DATA
-B
CCW
2h
a
(B)
Parallel signal
generator
b
c
VC 15
MO
9
RESET
×
×
:Immaterial
* :M O o u t p u t s L l e v e l w h i l e
CLOCK_IN is H level when out-
put 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.
Q1 Q2
Q3 Q4
Phase
sExcitation
Selection Table
Input
Output current mode of SLA7042M/7044M
0
1
2
3
4
5
6
7
Torque vector
0% 20% 40% 55.5% 71.4% 83% 91% 100%
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
141%
100%
100%
100%
100%
Excitation
method
Excitation mode
selection
VC MS1 MS2
CLOCK_IN
CW/CCW
RESET
2
3
1
(D)
Up/Down counter
(E)
Oscillator
8
GND
5
CP1
4
CP2
12
NC
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
Connect all unused input pins to H or L level (Except for CP1,CP2 and NC pins)
sOutput
Mode Vs Output Pulse
Output pulse
OUT excitation
Phase
CLOCK
_OUT
STROBE
0
0
a
b
c
CLOCK
_OUT
STROBE
0
0
sOutput
Mode Sequence
Excitation
method
CW/CCW
CLOCK
MO
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
Output pulse
OUT excitation
Phase
a
b
c
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)
0
1
2
Output mode
0
0
1
2
Output mode
0
0
0
2-2 Phase
Full Step (2)
(VC:L)
CW
DATA_A
DATA_B
CCW
DATA_A
DATA_B
0
0
CW
1-2 Phase
Half Step
DATA_A
DATA_B
3
0
3
0
CCW
DATA_A
DATA_B
4
0
4
0
CW
W1-2 Phase
1/4 Step
CCW
DATA_A
DATA_B
DATA_A
DATA_B
5
6
0
5
6
0
0
0
7
0
7
2W1-2 Phase
1/8 Step
CW
DATA_A
DATA_B
CCW
DATA_A
DATA_B
sExternal
Dimensions (DIP16)
(Unit : mm)
19.2
20.0max
16
Lot No.
Part No.
1
0.89
1.3
8
9
6.3
6.65max
7.62
2.54min 5.08max
0.51min
2.54
±
0.25
0.48
±
0.10
0 to 15
°
C
0.25
−0.05
+
0.11
ICs
119