M58LW064 datasheet(43/53 Pages) STMICROELECTRONICS

部件名	M58LW064

功能描述	64 Mbit x16 and x16/x32, Block Erase Low Voltage Flash Memories

PDF	53 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

43 / 53 page

43/53

M58LW064A, M58LW064B

Figure 22. Erase Flowchart and Pseudo Code

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

Write 20h

Command

AI00613B

Start

Write Block Address

& D0h Command

Read Status

YES

b7 = 1

YES

b3 = 0

b4, b5 = 0

VPP Invalid

Error (1)

Command

Sequence Error

EE instruction:

– write 20h command

– write Block Address

(A12-A17) & command D0h

(memory enters read status

state after the EE instruction)

do:

– read status register

(E or G must be toggled)

if EE instruction 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

YES

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

M58LW064 数据表(PDF) 43 Page - STMicroelectronics

M58LW064 数据表(HTML) 43 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53

数据表下载

链接网址

M58LW064 数据表(PDF) 43 Page - STMicroelectronics

M58LW064 数据表(HTML) 43 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53

数据表 下载

链接网址

数据表下载