Hitachi H8/3937 Series Hardware Manual page 136

Start
Set write/verify mode
= 6.0 V ± 0.25 V, V = 12.5 V ± 0.3 V
V
CC PP
Address = 0
n = 0
→
n + 1 n
Yes
No
<
= 0.2 ms ± 5%
n 25
Write time t
PW
No Go
→
Address + 1 address
Verify
Go
Write time t = 3n ms
OPW
No
Last address?
Yes
Set read mode
= 5.0 V ± 0.25 V, V
V = V
CC PP CC
No Go
Read all
Error
addresses?
Go
End
Figure 6-4 High-Speed, High-Reliability Programming Flow Chart
124