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: 70/91页
文件大小: 19688K
代理商: IV80C31-25R
414
XMEGA A [MANUAL]
8077I–AVR–11/2012
Figure 33-53.Autorefresh between two accesses
* The number of NOPs is equal to RPDLY[1:0] (RPDLY = 1 is shown)
** The number of NOPs is equal to ESRDLY[2:0] (ESRDLY = 1 is shown)
A
u
to
R
e
fr
es
h
Autorefresh between two acesses
Pr
ec
h
a
rge
A
ll
Act
ive
NOP
*
CLK
CKE
CAS
RAS
DQM
BA[1:0]
A[11:0]
D
ClkPER2
WE
CS
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