Hitachi SH7032 Hardware Manual page 487

Yes
No good
V : Power supply
CC
V : PROM program power supply
PP
t : Initial programming pulse width
PW
t : Overprogramming pulse width
OPW
Figure 17.4 Basic Flowchart of High-Speed, High-Reliability Programming
452
Set EPROM programmer
(V
V
No
n = 25?
No
programmer to read mode
(V
No
Start
to write/verify mode
= 6.0 V ± 0.25 V,
CC
= 12.5 V ± 0.3 V)
PP
Address = 0
n = 0
n + 1 → n
Data write
= 0.2 ms ± 5%)
(t
PW
Verify
result OK?
Yes
Data write
(t = 0.2 n ms)
OPW
Final
address?
Yes
Set EPROM
= 5.0 V ± 0.25 V,
CC
V = V )
PP CC
Results of
reading all address
OK?
Yes
End
Address + 1 →
Address
No