參數(shù)資料
型號: M30842SFP
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 32 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁數(shù): 51/89頁
文件大?。?/td> 764K
代理商: M30842SFP
Page 55
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td(DB – WR) =
10 X m
9
– 25
[ns] (if external bus cycle is a
φ + bφ, m= (bx2)-1)
th(RD – AD) =
f(BCLK) X 2
10
9
– 10
[ns]
th(WR – AD) =
f(BCLK) X 2
10
9
– 10
[ns]
th(RD – CS) =
f(BCLK) X 2
10
9
– 10
[ns]
th(WR – CS) =
f(BCLK) X 2
10
9
– 10
[ns]
th(WR – DB) =
f(BCLK) X 2
10
9
– 10
[ns]
td(AD – ALE) =
f(BCLK) X 2
9
– 20
[ns] (if external bus cycle is a
φ + bφ, n= a)
th(ALE – AD) =
f(BCLK) X 2
9
– 10
[ns] (if external bus cycle is a
φ + bφ, n= a)
f(BCLK) X 2
1. Values can be obtained from the following equations, according to BCLK frequency.
2. Values can be obtained from the following equations, according to BCLK frequency and external bus cycle.
3. Values can be obtained from the following equations, according to BCLK frequency and external bus cycle.
10 X m
10 X n
4. Values can be obtained from the following equations, according to BCLK frequency and external bus cycle.
10 X n
NOTES:
5. tc ns is added when recovery cycle is inserted.
See Figure 5.2
Switching Characteristics
(VCC = 4.2 to 5.5V, VSS = 0V at Topr = –20 to 85oC unless otherwise specified)
Table 5.23 Memory Expansion Mode and Microprocessor Mode
(when accessing an external memory space with the multiplexed bus)
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相關代理商/技術參數(shù)
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