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參數(shù)資料
| 型號(hào)： | AM486DX4 |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | High-Performance, Clock-Selectable, 3.3 V, 32-Bit Microprocessor(3.3V高性能時(shí)鐘可選32位微處理器) |
| 中文描述： | 高性能，時(shí)鐘可選，3.3伏，32位微處理器（3.3高性能時(shí)鐘可選32位微處理器） |
| 文件頁(yè)數(shù)： | 12/26頁(yè) |
| 文件大?。?/td> | 335K |
| 代理商： | AM486DX4 |
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AMD
12
Am486DX4 Microprocessor
P R E L I M I N A R Y
Table 3. Output Pins
Name
Active
Level
Floated At
BREQ
HLDA
BE3–BE0
PCD/PWT
W/R, D/C, M/IO
LOCK
PLOCK
ADS
BLAST
PCHK
A3–A2
FERR
VOLDET
High
High
Low
High
High
Low
Low
Low
Low
Low
High
Low
Low
Three-State Test Mode
Three-State Test Mode
Bus Hold
Bus Hold
Bus Hold
Bus Hold
Bus Hold
Bus Hold
Bus Hold
Three-State Test Mode
Bus, Address Hold
Three-State Test Mode
Table 4. Input Pins
Name
Active
Level
Synchronous/
Asynchronous
CLK
RESET
HOLD
AHOLD
EADS
BOFF
FLUSH
A20M
BS16, BS8
KEN
RDY
BRDY
INTR
NMI
UP
IGNNE
CLKMUL
High
High
High
Low
Low
Low
Low
Low
Low
Low
Low
High
High
Low
Low
Asynchronous
Synchronous
Synchronous
Synchronous
Synchronous
Asynchronous
Asynchronous
Synchronous
Synchronous
Synchronous
Synchronous
Asynchronous
Asynchronous
Asynchronous
Asynchronous
Table 5. Input/Output Pins
Name
Active
Level
Floated At
D31––D0
DP3–DP0
A31–A4
High
High
High
Bus Hold
Bus Hold
Bus, Address Hold
Table 6. Test Pins
Name
Input or Output
Sampled/Driven On
TCK
TDI
TDO
TMS
Input
Input
Output
Input
N/A
Rising Edge of TCK
Falling Edge of TCK
Rising Edge of TCK
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