M58WR032KU70ZA6U NUMONYX, M58WR032KU70ZA6U Datasheet - Page 58

• Manufacturer Part Number: M58WR032KU70ZA6U
• Description: NUMM58WR032KU70ZA6U NUM 32MB NOR FLASH P
• Manufacturer: NUMONYX

Block locking
58/123
Table 17.
1. The lock status is defined by the write protect pin and by DQ1 (‘1’ for a locked-down block) and DQ0 (‘1’ for
2. All blocks are locked at power-up, so the default configuration is 001 or 101 according to WP status.
3. A WP transition to V
Current Protection Status
Current
1,0,1
0,0,1
a locked block) as read in the Read Electronic Signature command with A1 = V
State
1,0,0
1,1,0
1,1,1
0,0,0
0,1,1
(WP, ADQ1, ADQ0)
(2)
(2)
Lock status
Program/Erase
Allowed
yes
yes
yes
no
no
no
no
IH
on a locked block will restore the previous DQ0 value, giving a 111 or 110.
(1)
After Block Lock
Command
1,0,1
1,0,1
1,1,1
1,1,1
0,0,1
0,0,1
0,1,1
Next Protection status
After Block
Command
Unlock
1,0,0
1,0,0
1,1,0
1,1,0
0,0,0
0,0,0
0,1,1
M58WRxxxKU, M58WRxxxKL
(1)
Lock-Down
After Block
Command
(WP, ADQ1, ADQ0)
1,1,1
1,1,1
1,1,1
1,1,1
0,1,1
0,1,1
0,1,1
IH
and A0 = V
1,1,1 or 1,1,0
IL
transition
After WP
.
0,0,0
0,1,1
0,1,1
1,0,0
0,0,1
1,0,1
(3)