Rainbow Electronics AT45DQ321 - Manual (Page 19)

19 AT45DQ321 [ADVANCE DATASHEET]
DS-45DQ321-031–DFLASH–12/2012
Table 6-4. Operations Allowed and Not Allowed During Suspend
Command
Operation During
Program Suspend in
Buffer 1 (PS1)
Operation During
Program Suspend in
Buffer 2 (PS2)
Operation During
Erase Suspend (ES)
Read Commands
Read Array (All Opcodes)
Allowed Allowed Allowed
Read Buffer 1 (All Opcodes) Allowed Allowed Allowed
Read Buffer 2 (All Opcodes) Allowed Allowed Allowed
Dual-output Read Array Allowed Allowed Allowed
Quad-output Read Array Allowed Allowed Allowed
Read Configuration Register Allowed Allowed Allowed
Read Status Register Allowed Allowed Allowed
Read Manufacturer and Device ID Allowed Allowed Allowed
Program and Erase Commands
Buffer 1 Write
Not Allowed Allowed Allowed
Buffer 2 Write Allowed Not Allowed Allowed
Dual-input Buffer 1 Write Not Allowed Allowed Allowed
Dual-input Buffer 2 Write Allowed Not Allowed Allowed
Quad-input Buffer 1 Write Not Allowed Allowed Allowed
Quad-input Buffer 2 Write Allowed Not Allowed Allowed
Buffer 1 to Memory Program w/ Erase Not Allowed Not Allowed Not Allowed
Buffer 2 to Memory Program w/ Erase Not Allowed Not Allowed Not Allowed
Buffer 1 to Memory Program w/o Erase Not Allowed Not Allowed Allowed
Buffer 2 to Memory Program w/o Erase Not Allowed Not Allowed Allowed
Memory Program through Buffer 1 w/ Erase Not Allowed Not Allowed Not Allowed
Memory Program through Buffer 2 w/ Erase Not Allowed Not Allowed Not Allowed
Memory Program through Buffer 1 w/o Erase Not Allowed Not Allowed Allowed
Auto Page Rewrite Not Allowed Not Allowed Not Allowed
Page Erase Not Allowed Not Allowed Not Allowed
Block Erase Not Allowed Not Allowed Not Allowed
Sector Erase Not Allowed Not Allowed Not Allowed
Chip Erase Not Allowed Not Allowed Not Allowed
Protection and Security Commands
Enable Sector Protection
Not Allowed Not Allowed Not Allowed
Disable Sector Protection Not Allowed Not Allowed Not Allowed
Erase Sector Protection Register Not Allowed Not Allowed Not Allowed
Program Sector Protection Register Not Allowed Not Allowed Not Allowed
Read Sector Protection Register Allowed Allowed Allowed
Sector Lockdown Not Allowed Not Allowed Not Allowed
Read Sector Lockdown Allowed Allowed Allowed
Freeze Sector Lockdown State Not Allowed Not Allowed Not Allowed
Program Security Register Not Allowed Not Allowed Not Allowed
Read Security Register Allowed Allowed Allowed
Additional Commands
Main Memory to Buffer 1 Transfer Not Allowed Allowed Allowed
Main Memory to Buffer 2 Transfer Allowed Not Allowed Allowed
Main Memory to Buffer 1 Compare Allowed Allowed Allowed
Main Memory to Buffer 2 Compare Allowed Allowed Allowed
Enter Deep Power-Down Not Allowed Not Allowed Not Allowed
Resume from Deep Power-Down Not Allowed Not Allowed Not Allowed
Enter Ultra-Deep Power-Down mode Not Allowed Not Allowed Not Allowed
Reset (via Hardware or Software) Allowed Allowed Allowed