參數(shù)資料
型號(hào): MC9328MXLVF20
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
元件分類: 微處理器
英文描述: i.MX Integrated Portable System Processor
中文描述: i.MX處理器集成的便攜式系統(tǒng)
文件頁數(shù): 78/96頁
文件大小: 1495K
代理商: MC9328MXLVF20
MC9328MX1 Advance Information, Rev. 4
78
Freescale Semiconductor
Specifications
Figure 59. SDRAM Refresh Timing Diagram
8
Data setup time
4.0
2
ns
9
Data hold time
2.28
2
ns
1.
2.
Precharge cycle timing is included in the write timing diagram.
t
RP
and t
RCD
= SDRAM clock cycle time. These settings can be found in the MC9328MX1 reference
manual.
Table 36. SDRAM Refresh Timing Parameter Table
Ref
No.
Parameter
1.8V
3.3V
Unit
Minimum
Maximum
Minimum
Maximum
1
SDRAM clock high-level width
2.67
4
ns
Table 35. SDRAM Write Timing Parameter Table (Continued)
Ref
No.
Parameter
1.8V
3.3V
Unit
Minimum
Maximum
Minimum
Maximum
SDCLK
CS
CAS
WE
RAS
ADDR
DQ
DQM
BA
3
4
6
1
2
5
7
ROW/BA
7
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