參數(shù)資料
型號(hào)： MQ80C32E-25SCR
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, 25 MHz, MICROCONTROLLER, CQFP44
封裝： CERAMIC, QFP-44
文件頁數(shù)： 57/91頁
文件大小： 19688K
代理商： MQ80C32E-25SCR
402
XMEGA A [MANUAL]
8077I–AVR–11/2012
33.13 SDRAM 8-bit read
Figure 33-40.Single read
P
re
char
ge
All
B
anks
Bank Adr
0x0
D[7:0]
Row Adr
Col Adr
0x400
Ac
tiv
e
Re
ad
NO
P*
N
O
P
****
Single read
Da
ta
s
am
p
le
d
NO
P*
*
C
lock
su
spen
d***
** NOP is only inserted for CAS3
**** The number of NOPs is equal to WRDLY[1:0] + 1 (WRDLY = 0 is shown)
***** The number of NOPs is equal to RPDLY[1:0] (RPDLY = 1 is shown)
* The number of NOPs is equal to ROWCOLDLY[2:0] (ROWCOLDLY = 1 is shown)
*** Clock suspended for 1 cycle when EBI is running at 1x and 1 or 2 cycles when EBI
is running at 2x, to enable sampling of data on the positive edge of the 1x clock.
CLK
CKE
CAS
RAS
DQM
BA[1:0]
A[11:0]
D
ClkPER2
WE
CS
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