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HD6417034 Datasheet, PDF (488/691 Pages) Renesas Technology Corp – SuperH RISC ENGINE SH7032 AND SH7034
Start
Set EPROM programmer
to write/verify mode
(VCC = 6.0 V ± 0.25 V,
VPP = 12.5 V ± 0.3 V)
Address = 0
n=0
No
Yes
n = 25?
n+1→n
Data write
(tPW = 0.2 ms ± 5%)
No
Verify
result OK?
Yes
Data write
(tOPW = 0.2 n ms)
Address + 1 →
Address
Final
No
address?
Yes
Set EPROM
programmer to read mode
(VCC = 5.0 V ± 0.25 V,
VPP = VCC)
No
No good
VCC: Power supply
VPP: PROM program power supply
tPW: Initial programming pulse width
tOPW: Overprogramming pulse width
Results of
reading all address
OK?
Yes
End
Figure 17.4 Basic Flowchart of High-Speed, High-Reliability Programming
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