lrs1383 Sharp Microelectronics of the Americas, lrs1383 Datasheet - Page 73

• Manufacturer Part Number: lrs1383
• Description: Stacked Chip 32m Flash And 8m Sram
• Manufacturer: Sharp Microelectronics of the Americas

Appendix to Spec No.: MFM2-J13207
Figure 5.1. Automated Block Erase Flowchart
FUM00701
Model No.: LRS1383
When subsequently erasing a block, repeat the above
sequence.
Full status check can be done after each block erase or
after a sequence of block erasures.
Write FFH after a sequence of block erasures to place
device in read array mode.
Operation
Operation
Standby
Standby
Standby
Standby
Write
Write
Read
Read
Bus
Bus
Block Erase
Read Status
Command
Command
Register
March 1, 2001
<First cycle>
Data=20H
Addr=Within Block to be
Erased
<Second cycle>
Data=D0H
Addr=Within Block to be
Erased
Status Register Data
Addr=Within Block to be
Erased
Check SR.7
1=WSM Ready
0=WSM Busy
Data=70H
Addr=Within Partition
Status Register Data
Addr=Within Partition
Check SR.7
1=WSM Ready
0=WSM Busy
Check SR.6
1=Block Erase Suspended
0=Block Erase Completed
Check SR.2
1=(Page Buffer) Program
0=(Page Buffer) Program
Suspended
Completed
Comments
Comments
Rev. 2.20
27