參數(shù)資料
型號: BX80525U700256E
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 700 MHz, MICROPROCESSOR, XMA
文件頁數(shù): 14/102頁
文件大小: 878K
代理商: BX80525U700256E
Datasheet
19
Pentium III Processor for the SC242 at 450 MHz to 800 MHz
NOTES:
1. 0 = Processor pin connected to VSS.
2. 1 = Open on processor; may be pulled up to TTL VIH on baseboard.
3. To ensure a system is ready for the Pentium III processor, the values in BOLD in Table 3 should be
supported.
Note that the ‘11111’ (all opens) ID can be used to detect the absence of a processor core in a given
connector as long as the power supply used does not affect these lines. Detection logic and pull-ups
should not affect VID inputs at the power source (see Section 7.0).
The VID pins should be pulled up to a TTL-compatible level with external resistors to the power
source of the regulator only if required by the regulator or external logic monitoring the VID[4:0]
signals. The power source chosen must be guaranteed to be stable whenever the supply to the
Table 3.
Voltage Identification Definition 1, 2
Processor Pins
VID4
VID3
VID2
VID1
VID0
VccCORE
01111
1.30
01110
1.35
01101
1.40
01100
1.45
01011
1.50
01010
1.55
01001
1.603
01000
1.653
00111
1.703
00110
1.753
00101
1.80 3
00100
1.85 3
00011
1.90 3
00010
1.95 3
00001
2.00 3
00000
2.05 3
11111
No Core
11110
2.1
11101
2.2
11100
2.3
11011
2.4
11010
2.5
11001
2.6
11000
2.7
10111
2.8
10110
2.9
10101
3.0
10100
3.1
10011
3.2
10010
3.3
10001
3.4
10000
3.5
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