參數資料
型號: MC9328MX1VM20R2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 200 MHz, RISC PROCESSOR, PBGA256
封裝: 14 X 14 MM, 1.30 MM HEIGHT, 0.80 MM PITCH, ROHS COMPLIANT, MAPBGA-256
文件頁數: 77/100頁
文件大?。?/td> 1267K
代理商: MC9328MX1VM20R2
Functional Description and Application Information
MC9328MX1 Technical Data, Rev. 7
78
Freescale Semiconductor
4.13
SDRAM Controller
This section shows timing diagrams and parameters associated with the SDRAM (synchronous dynamic
random access memory) Controller.
Figure 57. 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 32. 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.MX1
Product
Family
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