Texas Instruments TMS320 - Manual (Page 61)

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
= 5 V  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
ADV
ANCE
INFORMA
T
ION