Table 8-1 – Rainbow Electronics AT25DQ321 User Manual
Page 22
22
AT25DQ321 [DATASHEET]
8718D–DFLASH–12/2012
Table 8-1.
Operations Allowed and Not Allowed During a Program or Erase Suspend
Figure 8-9. Program/Erase Suspend
Command
Operation During
Program Suspend
Operation During
Erase Suspend
Read Commands
Read Array (All Opcodes)
Allowed
Allowed
Program and Erase Commands
Block Erase
Not Allowed
Not Allowed
Chip Erase
Not Allowed
Not Allowed
Byte/Page Program (All Opcodes)
Not Allowed
Allowed
Program/Erase Suspend
Not Allowed
Allowed
Program/Erase Resume
Allowed
Allowed
Protection Commands
Write Enable
Not Allowed
Allowed
Write Disable
Not Allowed
Allowed
Protect Sector
Not Allowed
Not Allowed
Unprotect Sector
Not Allowed
Not Allowed
Global Protect/Unprotect
Not Allowed
Not Allowed
Read Sector Protection Registers
Allowed
Allowed
Security Commands
Sector Lockdown
Not Allowed
Not Allowed
Freeze Sector Lockdown State
Not Allowed
Not Allowed
Read Sector Lockdown Registers
Allowed
Allowed
Program OTP Security Register
Not Allowed
Not Allowed
Read OTP Security Register
Allowed
Allowed
Status and Configuration Register Commands
Read Status Register
Allowed
Allowed
Write Status Register (All Opcodes)
Not Allowed
Not Allowed
Read Configuration Register
Allowed
Allowed
Write Configuration Register
Not Allowed
Not Allowed
Miscellaneous Commands
Reset
Allowed
Allowed
Read Manufacturer and Device ID
Allowed
Allowed
Deep Power-Down
Not Allowed
Not Allowed
Resume from Deep Power-Down
Not Allowed
Not Allowed
SO
SI
SCK
CS
MSB
2
3
1
0
1
0
1
1
0
0
0
0
6
7
5
4
Opcode
High-impedance