Fujitsu MHN2300AT, MHN2150AT, MHN2100AT, MHN2200AT manual Power-on and reset, Power-on Reset Timing

Interface

5.6.4 Power-on and reset

Figure 5.21 shows power-on and reset (hardware and software reset) timing.

(1) Only master device is present

Clear Reset *1

Power-on

RESET-tM

Software reset

tN

BSY

DASP-

tP

*1: Reset means including Power-on-Reset, Hardware Reset (RESET-), and Software Reset.

(2) Master and slave devices are present (2-drives configuration)

Clear Reset

[Master device]				tN
		BSY
		DASP-
	[Slave device]
		BSY
							tQ
		PDIAG-			tP
							tS
		DASP-
						tR
Symbol			Timing parameter					Min.	Max.	Unit
tM		Pulse width of RESET-						25	—	∝ s
tN		Time from RESET- negation to BSY set						—	400	ns
tP		Time from RESET- negation to DASP- or DIAG- negation						—	1	ms
tQ		Self-diagnostics execution time						—	30	s
tR		Time from RESET- negation to DASP- assertion (slave						—	400	ms
		device)
tS		Duration of DASP- assertion						—	31	s

Figure 5.21 Power-on Reset Timing

5-126 C141-E120-02EN