STK672-050 查看數據表（PDF） - SANYO -> Panasonic
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STK672-050 Datasheet PDF : 11 Pages
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STK672-050
2-6. M4 and M5 (Setting of rotation vector locus at micro-step)
M4
1
0
1
0
M5
1
0
0
1
Mode
Real circle
For the current division ratio, see Section 4-3.
2-7. RESET (Reset of entire system)
1. Pin format
sCMOS Schmitt configuration containing the pull-up resistor
(20 kΩ typical value)
2. Function
sAll circuit states are set to the initial values by setting the RESET signal to the
low state (pulse width of 10 µs or more). At this time, for all modes including
the excitation mode, the A and B phases are set to the origin.
2-8. Vref(Setting of the current value used as the reference of constant current detection)
1. Pin format
sAnalog input configuration
2. Function
sBy applying the voltage of 2.5 V or less of the control system power source
Vcc2, the constant current control can be performed over the excitation current
of the motor at the 100% of the rated current value.
sThe constant current can be controlled in proportional to the Vref voltage with
this value specified as a high limit.
3. Explanation of output pins
Pin No.
19
20, 21
Name
MoI
Mo1, Mo2
Function
Phase excitation origin monitor
Phase excitation state monitor
Pin format
CMOS standard configuration
CMOS standard configuration
4. Functions and timing of output signals
4-1. A, A, B, and B (Output for phase excitation use of motor)
1. Function
sIn four phase two excitation mode, the interval of 3.75 µs (typical value)
is set when the output signals of the phases A and A, B and B change.
4-2. Mo1, Mo2, and MoI (Monitor of excitation state)
1. Pin format
2. Function
sCMOS standard configuration
sOutputs the state of the current phase excitation output.
Phase coordinate
Mo1
Mo2
A phase
1
0
B phase
0
1
A phase
0
0
B phase
1
1
For the MoI, 0 is output at the origin of each phase.
At other points, 1 is output.
No. 5228—7/11
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