HD404629R Datasheet, PDF (119/157 Pages) Renesas Technology Corp – AS Microcomputer Incorporating a DTMF Generator Circuit

HD404629R Series
Start
Set programming/verification modes
V_PP = 12.5 ± 0.3 V, V_CC = 6.0 ± 0.25 V
Address = 0
n=0
Yes
No
n < 25?
n + 1→ n
Program t_PW =1 ms ± 5%
No
Verification OK?
Yes
Program t _OPW = 3n ms
Address + 1 → Address
No
Last address?
Yes
Set read mode
V_CC = 5.0 ± 0.5 V, V_PP = V_CC ± 0.6 V
No
All addresses
read?
Yes
Fail
End
Figure 103 Flowchart of High-Speed Programming
117