參數(shù)資料
型號(hào)： INTELDX2
廠商： Intel Corp.
英文描述： High-Performance 32-Bit Embedded Processor(高性能32位嵌入式處理器)
中文描述： 高性能32位嵌入式處理器（高性能32位嵌入式處理器）
文件頁(yè)數(shù)： 6/48頁(yè)
文件大?。?/td> 486K
代理商： INTELDX2
2
Embedded IntelDX2 Processor
Boundary Scan (JTAG)
— Boundary Scan
provides in-circuit testing of components on
printed circuit boards. The Intel Boundary Scan
implementation conforms with the IEEE Standard
Test Access Port and Boundary Scan Architecture.
Intel’s SL technology provides these features:
Intel System Management Mode (SMM)
— A
unique Intel architecture operating mode provides
a dedicated special purpose interrupt and address
space that can be used to implement intelligent
power management and other enhanced functions
in a manner that is completely transparent to the
operating system and applications software.
I/O Restart
— An I/O instruction interrupted by a
System Management Interrupt (SMI#) can
automatically be restarted following the execution
of the RSM instruction.
Stop Clock
— The embedded IntelDX2 processor
has a stop clock control mechanism that provides
two low-power states: a Stop Grant state (20–45
mA typical, depending on input clock frequency)
and a Stop Clock state (~100-200
μ
A typical, with
input clock frequency of 0 MHz).
Auto HALT Power Down
— After the execution of
a HALT instruction, the embedded IntelDX2
processor issues a normal Halt bus cycle and the
clock input to the processor core is automatically
stopped, causing the processor to enter the Auto
HALT Power Down state (20–45 mA typical,
depending on input clock frequency).
Auto Idle Power Down
— This function allows the
processor to reduce the core frequency to the bus
frequency when both the core and bus are idle.
Auto Idle Power Down is software transparent and
does not affect processor performance. Auto Idle
Power Down provides an average power savings
of 10% and is only applicable to clock multiplied
processors.
1.2
Family Members
Table 1 shows the embedded IntelDX2 processors
and briefly describes their characteristics.
Table 1. The Embedded IntelDX2
Processor Family
Product
Supply Voltage
V
CC
Maximum
Processor
Frequency
Maximum
External Bus
Frequency
Package
SB80486DX2SC50
3.3 V
50
MHz
25
MHz
208-Lead SQFP
A80486DX2SA66
5.0 V
66
MHz
33
MHz
168-Pin PGA
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