m28w160ecb STMicroelectronics, m28w160ecb Datasheet - Page 43
m28w160ecb
Manufacturer Part Number
m28w160ecb
Description
16 Mbit 1mb X16, Boot Block 3v Supply Flash Memory
Manufacturer
STMicroelectronics
Datasheet
1.M28W160ECB.pdf
(50 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
m28w160ecb70ZB6
Manufacturer:
ST
Quantity:
20 000
Company:
Part Number:
m28w160ecb70ZB6E
Manufacturer:
Micron Technology Inc
Quantity:
10 000
Figure 20. Erase Flowchart and Pseudo Code
Note: If an error is found, the Status Register must be cleared before further Program/Erase operations.
Address & D0h
Read Status
Write Block
b4, b5 = 1
Write 20h
Register
b7 = 1
b3 = 0
b5 = 0
b1 = 0
Start
End
YES
YES
NO
YES
YES
NO
NO
YES
NO
NO
Sequence Error (1)
Erase to Protected
Erase Error (1)
Block Error (1)
V PP Invalid
Command
Error (1)
if ( (status_register.b5==1) )
/* erase error */
erase_command ( blockToErase ) {
if ( (status_register.b4==1) && (status_register.b5==1) )
/* command sequence error */
if (status_register.b1==1) /*program to protect block error */
if (status_register.b3==1) /*VPP invalid error */
}
do {
error_handler ( ) ;
error_handler ( ) ;
error_handler ( ) ;
error_handler ( ) ;
writeToFlash (any_address, 0x20) ;
writeToFlash (blockToErase, 0xD0) ;
/* only A12-A20 are significannt */
/* Memory enters read status state after
the Erase Command */
} while (status_register.b7== 0) ;
status_register=readFlash (any_address) ;
/* E or G must be toggled*/
M28W160ECT, M28W160ECB
AI03541b
43/50