EtronTech
EM636165-XXI
1M x 16 SDRAM
Figure 19.2. Full Page Write Cycle
(Burst Length=Full Page, CAS# Latency=2)
T0 T 1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
CLK
tCK2
High
CKE
CS#
RAS#
CAS#
WE#
A11
A10
RAx
RBx
RBx
RBy
RBy
CBx
RAx
CAx
A0~A9
DQM
Hi-Z
DAx+1
DBx+3
DBx DBx+1
Write
DQ
DAx DAx+1 DAx+2 DAx+3 DAx-1 DAx
DBx+2
DBx+4 DBx+5 DBx+6
Data isignored
Activate
Command
Bank A
Write
Command
Bank A
Activate
Command
Bank B
Precharge
Command
Bank B
Activate
Command
Bank B
Command
Bank B
Full Page burst operation does
not terminate when the burst
length is satisfied; the burst counter
increments and continues bursting
beginning with the starting address.
The burst counter wraps
from the highest order
page address back to zero
during this time interval
Burst Stop
Command
Preliminary
64
Rev. 1.1 Apr. 2005
ETRON [ ETRON TECHNOLOGY, INC. ]
