JS28F320J3F75A NUMONYX, JS28F320J3F75A Datasheet - Page 53

• Manufacturer Part Number: JS28F320J3F75A
• Description: PARALLEL NOR
• Manufacturer: NUMONYX

Numonyx
Figure 20: Block Erase Flowchart
March 2010
208032-02
®
Issue Single Block Erase
Embedded Flash Memory (J3 65 nm) Single Bit per Cell (SBC)
Command 20H, Block
Write Confirm D0H
Block(s) Complete
Check if Desired
Status Register
Block Address
Erase Flash
Full Status
Address
SR.7 =
Read
Start
1
0
Suspend Erase
No
Yes
1. The Erase Confirm byte must follow Erase Setup.
This device does not support erase queuing. Please see
Application note AP-646 For software erase queuing
compatibility.
Full status check can be done after all erase and write
sequences complete. Write FFH after the last operation to
reset the device to read array mode.
Erase Loop
Write (Note 1)
Suspend
Operation
Standby
Write
Read
Bus
Erase Block
Command
Confirm
Erase
Data = 20H
Addr = Block Address
Data = D0H
Addr = Block Address
Status register data
With the device enabled,
Addr = X
Check SR.7
1 = WSM Ready
0 = WSM Busy
OE# low updates SR
Comments
Datasheet
53