m58bw016bt STMicroelectronics, m58bw016bt Datasheet - Page 26

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m58bw016bt

Manufacturer Part Number
m58bw016bt
Description
16 Mbit 512kb X32, Boot Block, Burst 3v Supply Flash Memories
Manufacturer
STMicroelectronics
Datasheet
M58BW016BT, M58BW016BB, M58BW016DT, M58BW016DB
Register bit 4 is set to '1' if there has been a pro-
gram failure.
Programming aborts if V
lowed range or RP goes to V
A Read Memory Array command must be issued
to return the memory to read mode before issuing
Table 9. Commands
Note: 1. X Don’t Care; RA Read Address, RD Read Data, ID Device Code, SRD Status Register Data, PA Program Address; PD Program
26/63
Read Memory Array
Read Electronic Signature
(Manufacturer Code)
Read Electronic Signature
(Device Code)
Read Electronic Signature
(Burst Configuration
Register)
Read Status Register
Read Query
Clear Status Register
Block Erase
Program
Program/Erase Suspend
Program/Erase Resume
Set Burst Configuration
Register
Tuning Protection
Program
Tuning Protection Unlock
2. Cycles 1 and 2 input the first 32 bits of the code, cycles 3 and 4 the second 32 bits of the code.
Data, QA Query Address, QD Query Data, BA Any address in the Block, BCR Burst Configuration Register value, TPA = Tuning
Protection Address, TPC = Tuning Protection Code.
Command
(2)
(2)
PP
2
1
2
2
1
1
2
4
4
2 Write
2 Write
2 Write
2 Write
2 Write
IL
drops out of the al-
Write
Write
Write
Write
Write
Write
Write
Write
Write
.
Op.
1st Cycle
Addr. Data
X
X
X
X
X
X
X
X
X
X
X
X
X
X
FFh
B0h
D0h
90h
90h
90h
70h
98h
50h
20h
40h
10h
60h
48h
78h
Read
Read 00000h
Read 00001h
Read 00005h BCRh
Read
Read
Write
Write
Write BCRh
Write
Write
Op.
2nd Cycle
any other commands. Once the code has been
changed a device reset or power-down will make
the protection active with the new code.
See Appendix B, Figure 25, 26 and 27 for suggest-
ed flowcharts for using the Tuning Protection Pro-
gram command.
TPAh
TPAh
Addr.
QAh
BAh
RA
PA
X
Bus Operations
SRDh
TPCh Write
TPCh Write
Data
QDh
D0h
20h
IDh
03h
RD
PD
Op. Addr. Data Op.
3rd Cycle
X
X
48h Write TPAh TPCh
78h Write TPAh TPCh
4th Cycle
Addr. Data

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