M28W160BB90GB6 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

M28W160BB90GB6

16 Mbit (1Mb x16, Boot Block) 3V Supply Flash Memory

STMicroelectronics 

M28W160BT, M28W160BB

memory may still complete the operation rather

than entering the Suspend mode.

When a Program/Erase Resume command is is-

sued the Program Suspend Status bit returns Low.

Block Protection Status (Bit 1). The Block Pro-

tection Status bit can be used to identify if a Pro-

gram or Erase operation has tried to modify the

contents of a protected block.

When the Block Protection Status bit is High (set

to ‘1’), a Program or Erase operation has been at-

tempted on a protected block.

Once set High, the Block Protection Status bit can

only be reset Low by a Clear Status Register com-

mand or a hardware reset. If set High it should be

reset before a new command is issued, otherwise

the new command will appear to fail.

Reserved (Bit 0). Bit 0 of the Status Register is

reserved. Its value must be masked.

Note: Refer to Appendix C, Flowcharts and

Pseudo Codes, for using the Status Register.

Table 7. Status Register Bits

Bit

Name

7

P/E.C. Status

6

Erase Suspend Status

5

Erase Status

4

Program Status

3

VPP Status

2

Program Suspend Status

1

Block Protection Status

0

Reserved

Note: Logic level '1' is High, '0' is Low.

Logic Level

'1'

'0'

'1'

'0'

'1'

'0'

'1'

'0'

'1'

'0'

'1'

'0'

'1'

'0'

Definition

Ready

Busy

Suspended

In progress or Completed

Erase Error

Erase Success

Program Error

Program Success

VPP Invalid, Abort

VPP OK

Suspended

In Progress or Completed

Program/Erase on protected Block, Abort

No operation to protected blocks

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