LRS1382 Datasheet, PDF (79/114 Pages) Sharp Electrionic Components – STACKED CHIP 32M FLASH AND 8M SRAM

FUM00701
33
Bus
Operation
Command
Comments
Write
Word
Program
<First cycle>
Data=40H or 10H
Addr=Location to be
Programmed
<Second cycle>
Data= Data to be
Programmed
Addr=Location to be
Programmed
Read
Status Register Data
Addr=Location to be
Programmed
Standby
Check SR.7
1=WSM Ready
0=WSM Busy
Repeat the above sequence for the subsequent word
programs.
SR full status check can be done after each word
program, or after a sequence of word programs.
Write FFH after a sequence of word programs to place
device in read array mode.
Bus
Operation
Command
Comments
Write
Read Status Data=70H
Register Addr=Within Partition
Read
Status Register Data
Addr=Within Partition
Standby
Check SR.7
1=WSM Ready
0=WSM Busy
Standby
Check SR.2
1=Program Suspended
0=Program Completed
Figure 7.1. Automated Program Flowchart
Appendix to Spec No.: MFM2-J13222 Model No.: LRS1382 March 1, 2001
Rev. 2.20