Fujitsu MHV2080AT Manual Do Utilizador

5-164 

C141-E218 

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

(1)  Only master device is present 

 

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

Clear Reset *1

tP

tN

tM

BSY

DASP-

Power-on
RESET-
Software reset

 

 

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

 

tP

Clear Reset

[Slave device]

[Master device]

tN

DASP-

PDIAG-

BSY

BSY

DASP-

tQ

tR

tS

 

 

Symbol Timing 

parameter  Min. 

Max. 

Unit 

tM 

Pulse width of RESET- 

25 

— 

µs 

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 
device) 

— 400 ms 

tS 

Duration of DASP- assertion 

— 

    31 

s