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MDrive 34Plus
Microstepping Hardware - Revision R071108
Relevant to Firmware Version 3.0.02
T
DSU
T
DH
T
SH
T
SL
Direction
Step
T
DC
T
CHL
T
CHL
Channel A
Channel B
Direction Change
T
SH
T
SL
T
DC
T
SH
T
SL
T
DC
Step Up
Step Down
STEP/DIRECTION TIMING
QUADRATURE TIMING
UP/DOWN (CW/CCW) TIMING
Figure 2.3.5: Clock Input Timing Characteristics
Clock Input Timing
Symbol Parameter
Type and Value
Step/Direction Step Up/Down Quadrature Units
T
DSU
T Direction Set Up 50 — — nS min.
T
DH
T Direction Hold 100 — — nS min.
T
SH
T Step High 100 100 — nS min.
T
SL
T Step Low 100 100 — nS min.
T
DL
T Direction Change — 200 200 nS min.
T
CHL
T Channel High/Low — — 400 nS min.
F
SMAX
F Step Maximum 5 5 — MHz Max
F
CHMAX
F Channel Maximum — — 1.25 MHz Max
F
ER
F Edge Rate — — 5 MHz Max
Table 2.3.1: Input Clocks Timing Table