HD6417034B RENESAS [Renesas Technology Corp], HD6417034B Datasheet - Page 484

• Manufacturer Part Number: HD6417034B
• Description: 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 17 ROM
Rev. 7.00 Jan 31, 2006 page 458 of 658
REJ09B0272-0700
t
OPW
V
V
t
PW
CC
PP
No good
Figure 17.4 Basic Flowchart of High-Speed, High-Reliability Programming
: Power supply
: Initial programming pulse width
: Overprogramming pulse width
: PROM program power supply
Yes
n = 25?
No
No
No
programmer to read mode
Set EPROM programmer
(V
(V
V
(t
to write/verify mode
reading all address
PP
CC
CC
(t
PW
OPW
= 12.5 V
Set EPROM
Address = 0
= 6.0 V
= 5.0 V
V
result OK?
= 0.2 ms
Data write
Data write
Results of
n + 1
address?
PP
Verify
Start
n = 0
= 0.2 n ms)
Final
OK?
End
= V
Yes
Yes
Yes
CC
n
0.25 V,
0.25 V,
0.3 V)
)
5%)
No
Address + 1
Address