Intelligent Motion Systems MDrive34AC manual Step/Direction Timing, Quadrature Timing, Channel A

STEP/DIRECTION TIMING

		TDH
Direction
	TDSU
Step			TSL
		TSH

QUADRATURE TIMING

Direction Change	TCHL
Channel A
	TDC
Channel B
	TCHL

UP/DOWN (CW/CCW) TIMING

Step Up
Step Down	TSH	TSL	TDC			TDC
				TSH	TSL
		Figure 2.1.3: Clock Input Timing Characteristics
			Clock Input Timing
Symbol		Parameter			Type and Value
			Step/Direction		Step Up/Down	Quadrature	Units
TDSU	T Direction Set Up		0		—	—	nS min
TDH	T Direction Hold		50		—	—	nS min
TSH		T Step High	250		250	—	nS min
TSL		T Step Low	250		250	—	nS min
TDL	T Direction Change		—		250	250	nS min
TCHL	T Channel High/Low		—		—	400	nS min
FSMAX	F Step Maximum		5		2	—	MHz Max
FCHMAX	F Channel Maximum		—		—	1.25	MHz Max
FER	F Edge Rate		—		—	5	MHz Max
		Parameter	Turn On			Turn Off	µS
—	Enable On/Off		25			20	µS

Table 2.1.1: Input Clocks Timing Table

Part 2: Interfacing and Configuring 2-5