參數(shù)資料
型號(hào)： MC9328MXLDVP20R2
廠(chǎng)商： FREESCALE SEMICONDUCTOR INC
元件分類(lèi)： 微控制器/微處理器
英文描述： 32-BIT, 200 MHz, RISC PROCESSOR, PBGA225
封裝： 13 X 13 MM, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, MAPBGA-225
文件頁(yè)數(shù)： 65/90頁(yè)
文件大?。?/td> 1242K
代理商： MC9328MXLDVP20R2
Functional Description and Application Information
MC9328MXL Technical Data, Rev. 8
68
Freescale Semiconductor
4.10
SDRAM Controller
This section shows timing diagrams and parameters associated with the SDRAM (synchronous dynamic
random access memory) Controller.
Figure 52. SDRAM Read Cycle Timing Diagram
3b
Clock rise time1
–
6.67–5/10
ns
4a
Output delay time1
5.7
–
5
–
ns
4b
Output setup time1
5.7
–
5
–
ns
1 C
L of PWMO = 30 pF
Table 26. PWM Output Timing Parameter Table (Continued)
Ref No.
Parameter
1.8 ± 0.1 V
3.0 ± 0.3 V
Unit
Minimum
Maximum
Minimum
Maximum
SDCLK
CS
CAS
WE
ADDR
DQ
DQM
ROW/BA
COL/BA
3S
3H
3S
3H
3S
3S
3H
4S
4H
5
3S
3
2
1
8
Data
7
6
Note:
CKE is high during the read/write cycle.
RAS
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
i.MXL
Product
Family
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