Prom Mode Transition Time - Hitachi F-ZTAT H8/3039 Series Hardware Manual

Table 15-19 Status Read Mode Return Commands
Pin Name I/O7
Attribute Normal
end
identifica-
tion
Initial 0
value
Indications Normal
end: 0
Abnormal
end: 1
Notes on status read mode
After exiting auto-program mode or auto-erase mode, status read mode must be executed without
dropping the power supply.
Immediately after powering on, or once powering off, the return command is undefined.
15.8.8

PROM Mode Transition Time

Commands cannot be accepted during the oscillation stabilization period or the PROM mode setup
period. After the PROM mode setup time, a transition is made to memory read mode.
Table 15-20 Stipulated Transition Times to Command Wait State
Item
Standby release (oscillation
settling time)
PROM mode setup time
V hold time
CC
482
I/O6 I/O5
Command Program-
error ming error
0 0
Command Program-
error: 1 ming
error: 1
Otherwise:
0 Otherwise:
0
Symbol
t
osc1
t
bmv
t
dwn
I/O4 I/O3
Erase —
error
0 0
Erase —
error: 1
Otherwise:
0
Min Max Unit
20 — ms
10 — ms
0 — ms
I/O2 I/O1 I/O0
— Program- Effective
ming or address
erase error
count
exceeded
0 0 0
— Count Effective
exceeded: address
1 error: 1
Otherwise: Otherwise:
0 0
Notes