W19B(L)320ST/B
9.9 Toggle Bit Waveform (During Embedded Algorithms)
TAHT
TAS
Addresses
TAHT
TASO
#CE
TCEPH
T
OEH
#WE
TOEPH
#OE
TDH
TOE
Valid
Valid
Valid
Valid Data
Status
Valid Data
DQ6/DQ2
RY/#BY
Status
Status
(stop toggling)
(first read)
(second read)
Note: VA = Valid address;not requires for DQ6. Illustration shows first two status cycle after command sequence, last status
read cycle, and array data read cycle.
9.10 DQ 2 vs. DQ6 Waveform
Enter
Enter Erase
Erase
Embedded
Erasing
Erase
Suspend
Suspend Program
Resume
#WE
DQ6
Erase
Erase
Erase
Erase Suspend
Read
Erase Suspend
Read
Complete
Erase
Suspend
Program
DQ2
Note: DQ2 toggles only when read at an address within an erase-suspended sector. The sysytem may use #OE or #CE to
toggle DQ2 and DQ6.
- 46 -