FUJITSU MCM3064AP - Manual (Page 167)

4.7 Timing
C156-E227-01EN 4-97
4.7.13 Power-on and Reset Timing
*1 Device 0 sets the BSY bit to 0 when device 1 is not connected.
*2 Device 0 uses DASP- to indicate that it is in operation when device 1 is not
connected.
*3 DASP- is used to indicate that the device is in operation.
Figure 4.14 Power-on and reset timing
t10
t18
t17
t16
t15
t14
t13
t12
t11
RESET-
Device 0 BSY
Device 1 DASP-out
Device 1 DRDY
Device 1 BSY
Device 0 PDIAG-in
Device 0 DASP-in
Device 0 DASP-out
Device 0 PDIAG-out
Device 0 DRDY
Device 1 PDIAG-out