tmp1940cyaf TOSHIBA Semiconductor CORPORATION, tmp1940cyaf Datasheet - Page 444

• Manufacturer Part Number: tmp1940cyaf
• Description: 32-bit Tx System Risc Tx19 Family
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Yes
Write Verify Block Protect Command
CE = V
Any other blocks to be protected?
CE
CE
Addr = BA; A5 = 0, A0 = 1
1st–6th Bus Write Cycles
Read from block address
= V
Block Protect Command
= V
Block Address Setup
Block Protect Done
IH
IH
Reset Command
Figure 3.31 Block Protect Operation
IL
, OE = V
Data = 01H ?
,
PLSCNT = 1
,
Wait 100 µs
Addr = BA
OE
Wait 4 µs
OE
Start
= V
= V
Yes
No
TMP1940FDBF-86
IH
IH
IH
, WE = V
, WE = V
, WE = V
IH
IL
IH
No
(PLSCNT: Pulse Count)
PLSCNT = PLSCNT
TMP1940FDBF
Reset Command
PLSCNT = 25 ?
Device Failure
Yes
No
1