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參數(shù)資料
| 型號： | NG80386SXLV-25 |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | High-Performance, Low-Power, Embedded Microprocessors |
| 中文描述： | 32-BIT, 25 MHz, MICROPROCESSOR, PQFP100 |
| 封裝： | PLASTIC, QFP-100 |
| 文件頁數(shù)： | 22/30頁 |
| 文件大?。?/td> | 401K |
| 代理商： | NG80386SXLV-25 |
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22
Am386SX/SXL/SXLV Microprocessors Data Sheet
F I N A L
CLK2
Reset
CLK (Internal)
BUSY
ADS
NA
D15–D0
BHE, BLE, W/R,
M/IO, HLDA
READY
Low
High
High
During Reset
During Reset
During Reset
Up to 30 CLK2
Up to 30 CLK2
Up to 30 CLK2
Reset
Cycle 1
Non-Pipelined
(Read)
T1
1
2
3
17
18
19
395 396 397 398
2
1
1
2
1
2
1
2
T2
*
Valid 1
Valid 1
(Note 1)
Low to begin self-test (Note 2)
Approximately
No self-test
ERROR
*
16305C–009
2
φ
φ
φ
φ
φ
φ
φ
φ
φ
SMI
Notes:
1. BUSY should be held stable for eight CLK2 periods before and after the CLK2 period in which the RESET falling edge
occurs.
2. If self-test is requested, the Am386SXLV microprocessor outputs remain in their reset state as shown here.
A23–A1,
D/C, LOCK
Figure 11. Bus Activity from Reset Until First Code Fetch (Am386SXLV Only)
≥
15 CLK2 duration if not
going to request self-test.
≥
80 CLK2 duration before
requesting self-test.
If self-test is performed, add
(2
20
) + 60* to these numbers.
Internal Initialization
Negated to allow sensing of a
387DX math coprocessor
Asserted to indicate 387DX
math coprocessor protocol
(Floating)
相關PDF資料 |
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|---|---|
| NGAM386SXL-25 | High-Performance, Low-Power, Embedded Microprocessors |
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| NGAM386SXL-40 | High-Performance, Low-Power, Embedded Microprocessors |
| NGAM386SX-25 | High-Performance, Low-Power, Embedded Microprocessors |
| NGAM386SX-33 | High-Performance, Low-Power, Embedded Microprocessors |
相關代理商/技術參數(shù) |
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| NG80486DXLV-33 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:32-Bit Microprocessor |
| NG80486DXLV-33F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:32-Bit Microprocessor |
| NG80486DXLV-33S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:32-Bit Microprocessor |
| NG80486SXLV-33 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:32-Bit Microprocessor |
| NG80486SXLV-33F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:32-Bit Microprocessor |
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