M58BW016DB datasheet(51/63 Pages) STMICROELECTRONICS

Part #	M58BW016DB

Description	16 Mbit 512Kb x32, Boot Block, Burst 3V Supply Flash Memories

PDF	63 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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51 / 63 page

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M58BW016BT, M58BW016BB, M58BW016DT, M58BW016DB

Figure 23. Block Erase Flowchart and Pseudo Code

Note: 1. If an error is found, the Status Register must be cleared before further P/E operations.

Write 20h

AI03851

Start

Write Block Address

& D0h

Read Status

YES

b7 = 1

YES

b3 = 0

YES

b4 and b5

= 1

VPP Invalid

Error (1)

Command

Sequence Error

Erase Command:

– write 20h

– write Block Address

(A11-A18) & D0h

(memory enters read status

state after the Erase command)

do:

– read status register

(E or G must be toggled)

if Erase command given execute

suspend erase loop

while b7 = 1

If b3 = 1, VPP invalid error:

– error handler

If b4, b5 = 1, Command Sequence error:

– error handler

b5 = 0

Erase

Error (1)

YES

Suspend

Loop

If b5 = 1, Erase error:

– error handler

YES

End

YES

b1 = 0

Erase to Protected

Block Error

If b1 = 1, Erase to Protected Block Error:

– error handler

M58BW016DB Datasheet(PDF) 51 Page - STMicroelectronics

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