参数资料
型号: S80486-DX4-75-S-V-8-B
厂商: ADVANCED MICRO DEVICES INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 75 MHz, MICROPROCESSOR, PQFP208
封装: SQFP-208
文件页数: 4/69页
文件大小: 1070K
代理商: S80486-DX4-75-S-V-8-B
AMD
12
PRELIMINARY
Enhanced Am486 Microprocessor
2
LOGIC SYMBOL
DP3–DP0
A31–A4
CLK
A20M
M/IO
Enhanced Am486
CPU
W/R
D/C
28
2
LOCK
4
BE3–BE0
Clock
Address Bus
Bus Cycle
Definition
Address
PLOCK
BS8
BS16
ADS
RDY
Bus Cycle
Control
32
4
INTR
NMI
RESET
Interrupts
PCHK
A3–A2
BRDY
BLAST
PWT
PCD
KEN
FLUSH
EADS
AHOLD
Data Parity
Data Bus
Burst
Control
Page
Cacheability
Invalidation
Cache Control/
D31–D0
TMS
TDI
TDO
TCK
IEEE Test
Port Access
FERR
IGNNE
Numeric Error
Reporting
Bus Arbitration
BREQ
HOLD
HLDA
BOFF
CACHE
CLKMUL
Clock Multiplier
Mask
HITM
INV
SMI
SMIACT
SMM
SRESET
STPCLK
Stop Clock
UP
Upgrade
VOLDET
Voltage Detect
Present
WB/WT
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