M36DR432BD ST Microelectronics, M36DR432BD Datasheet - Page 17

• Manufacturer Part Number: M36DR432BD
• Description: 32 Mbit 2Mb x16 / Dual Bank / Page Flash Memory and 4 Mbit 256Kb x16 SRAM / Multiple Memory Product
• Manufacturer: ST Microelectronics

protected Protection Register will result in a Status
Register error. The protection of the Protection
Table 4. Flash Commands
Note: X = Don’t Care, BA = Block Address, PA = Program address, PD = Program Data, CRD = Configuration Register Data. For Coded
Read/Reset
CFI Query
Auto Select
Set Configuration
Register
Program
Double Word
Program
Quadruple Word
Program
Enter Bypass
Mode
Exit Bypass
Mode
Program in
Bypass Mode
Double Word
Program in
Bypass Mode
Quadruple Word
Program in
Bypass Mode
Block Lock
Block Unlock
Block Lock-Down 4 555h
Block Erase
Bank Erase
Erase Suspend
Erase Resume
Protection
Register Program
Commands
cycles address inputs A12-A20 are don’t care.
1+
3+ 555h
1+
3+ 555h
6+ 555h
4 555h
4 555h
5 555h
5 555h
3 555h
2
2
3
3
4 555h
4 555h
6 555h
1
1
4 555h
Add Data Add Data Add Data Add Data
55h
BA
X
X
X
X
X
X
1st
AAh 2AAh 55h
AAh 2AAh 55h
AAh 2AAh 55h
AAh 2AAh 55h
AAh 2AAh 55h
AAh 2AAh 55h
AAh 2AAh 55h
AAh 2AAh 55h
AAh 2AAh 55h
AAh 2AAh 55h
AAh 2AAh 55h
AAh 2AAh 55h
AAh 2AAh 55h
F0h
A0h
B0h
98h
90h
40h
50h
30h
Read until Toggle stops, then read all the data needed from any Blocks not being
PA1
PA1
PA
Read Data Polling or Toggle Bits until Erase completes or Erase is suspended
X
Read CFI and Electronic Signature until a Read/Reset command is issued.
2nd
PD1
PD1
00h
PD
Read Memory Array until a new write cycle is initiated.
555h
555h
555h
555h
555h
555h
555h
555h
555h
555h
555h
555h
PA2
PA2
PA
3rd
Bus Operations
Read Data Polling or Toggle Bit until Program completes.
PD2
PD2
A0h
C0h
F0h Read Memory Array until a new write cycle is initiated.
90h
60h CRD
40h
50h
20h
60h
60h
60h
80h
80h
Register and/or the Security Block is not revers-
ible.
erased then Resume Erase.
555h AAh 2AAh
555h AAh 2AAh
PA1
PA1
PA3
BA
BA
BA
PA
PA
Configuration Register Status until a Read/Reset
Read Protection Register, Block Protection or
4th
another time
PD3
D0h
2Fh
03h
PD1
PD1
01h
PD
PD
Add Data Add Data Add Data
PA2
PA2
PA4
M36DR432AD, M36DR432BD
Read Data Polling or Toggle Bit until
command is issued.
5th
PD2
PD2
PD4
55h
55h
Program completes.
PA3
BA
BA
6th
PD3
30h
10h
PA4
7th
17/52
PD4