參數(shù)資料
型號(hào): Embedded Pentium 166
廠商: Intel Corp.
英文描述: 32 Bit Embedded Pentium Processor(32位嵌入式奔騰處理器)
中文描述: 32位嵌入式奔騰處理器(32位嵌入式奔騰處理器)
文件頁數(shù): 21/42頁
文件大?。?/td> 882K
代理商: EMBEDDED PENTIUM 166
Embedded Pentium
Processor
Datasheet
21
2.1.4
Pin Reference Tables
Table 5. Bus Frequency Selections
Pentium
Processor Core
Frequency (max)
External Bus
Frequency (max)
Bus/Core Ratio
BF1
BF0
166 MHz
66 MHz
2/5
0
0
133 MHz
66 MHz
1/2
1
0
100 MHz
66 MHz
2/3
1
1
Table 6. Output Pins
Name
Active Level
1
When Floated
ADS#
2
Low
Bus Hold, BOFF#
ADSC#
Low
Bus Hold, BOFF#
APCHK#
Low
BE7#–BE5#
Low
Bus Hold, BOFF#
BREQ
High
CACHE#
2
Low
Bus Hold, BOFF#
D/P#
3
n/a
FERR#
3
Low
HIT#
2
Low
HITM#
2
Low
HLDA
2
High
IERR#
Low
LOCK#
2
Low
Bus Hold, BOFF#
M/IO#
2
, D/C#
2
, W/R#
2
n/a
Bus Hold, BOFF#
PCHK#
Low
BP3–BP2, PM1/BP1, PM0/BP0
High
PRDY
High
PWT, PCD
High
Bus Hold, BOFF#
SCYC
2
High
Bus Hold, BOFF#
SMIACT#
Low
TDO
n/a
All states except Shift-DR and Shift-IR
NOTES:
1. All output and input/output pins are floated during three-state test mode and checker mode (except
IERR#).
2. These are I/O signals when two Pentium
processors are operating in dual processing mode.
3. These signals are undefined when the processor is configured as a dual processor.
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