Texas Instruments TMS320

TMS320E25
SPRS010B — MAY 1987 — REVISED NOVEMBER 1990
POST OFFICE BOX 1443  HOUSTON, TEXAS 77001
61
program verify
Programmed bits may be verified with V
PP
= 12.5 V when G =V
IL
,E=V
IL
, and PGM =V
IH
. Figure 11 shows
the timing for the program and verify operation.
Start
Address = First
Location
V
CC
=6 0.25 V
V
PP
= 12.5 V  0.25
V
X=0
Program One
1-ms Pulse
Verify
One
Byte
Program One
Pulse of
3X-ms Duration
Last
Address?
V
CC
=V
PP
=5V 0.25 V
Compare All
Bytes to Original
Data
Device
Passed
X = 25?
Device
Failed
Increment
Address
No
Yes Fail
Pass
Yes
No
Fail
Pass
Increment X
Figure 10. Fast Programming Flowchart
ADVANCE INFORMATION