参数资料
型号: IV80C31-25R
厂商: ATMEL CORP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 25 MHz, MICROCONTROLLER, PQFP44
封装: 1.40 MM HEIGHT, QFP-44
文件页数: 58/91页
文件大小: 19688K
代理商: IV80C31-25R
403
XMEGA A [MANUAL]
8077I–AVR–11/2012
Figure 33-41.Two consecutive reads
** 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.
Bank Adr
0x0
Row Adr
Col Adr
0x400
Two consecutive reads
Bank Adr
0x0
Row Adr
Col Adr
0x400
D[7:0]
P
re
cha
rg
eA
llB
an
ks
Act
ive
Re
ad
NO
P
*
NO
P
**
Data
sa
m
ple
d
NO
P
**
C
lo
ck
susp
e
nd
***
P
re
cha
rg
eA
llB
an
ks
Act
ive
Re
ad
NO
P
*
NO
P
**
Data
sa
m
ple
d
NO
P
**
C
lo
ck
susp
e
nd
***
CLK
CKE
CAS
RAS
DQM
BA[1:0]
A[11:0]
D
ClkPER2
WE
CS
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