at25df321a ATMEL Corporation, at25df321a Datasheet - Page 52

• Manufacturer Part Number: at25df321a
• Description: 32-megabit 2.7-volt Minimum Spi Serial Flash Memory
• Manufacturer: ATMEL Corporation

15. AC Waveforms
Figure 15-1. Serial Input Timing
Figure 15-2. Serial Output Timing
Figure 15-3. WP Timing for Write Status Register Byte 1 Command When SPRL = 1
52
AT25DF321A [Preliminary]
SCK
SCK
SCK
WP
SO
SO
CS
CS
SO
CS
SI
SI
SI
t
CSLS
HIGH-IMPEDANCE
HIGH-IMPEDANCE
t
V
t
DS
WRITE STATUS REGISTER
t
WPS
BYTE 1 OPCODE
MSB
MSB OF
0
t
CLKH
t
DH
0
t
OH
t
V
0
t
CLKL
t
WRITE STATUS REGISTER
CSLH
DATA BYTE
LSB OF
LSB
X
t
WPH
t
CLKH
t
CSHS
t
CSH
t
CLKL
t
CSHH
NEXT OPCODE
MSB
MSB OF
MSB
t
DIS
3686C–DFLASH–12/08