參數(shù)資料
型號: celeron cpu Mobile Module
廠商: Intel Corp.
英文描述: processor Mobile Module Connector 1 (MMC-1) at 466 MHz and 433MHZ(工作頻率466和433兆赫茲帶連接器1處理器)
中文描述: 移動處理器模塊連接器1(MMC管理- 1)在466 MHz和433MHz的(工作頻率466和433兆赫茲帶連接器1處理器)
文件頁數(shù): 26/42頁
文件大小: 448K
代理商: CELERON CPU MOBILE MODULE
22
Celeron
Processor Mobile Module MMC-1
at 466 MHz and 433 MHz
4.6.2.1
BCLK Signal Quality Specifications and
Measurement Guidelines
Table 17 describes the signal quality specifications at the
processor core for the BCLK signal. Figure 4 describes the
signal quality waveform for the BCLK at the processor core
pins.
Table 17. BCLK Signal Quality Specifications at the Processor Core
T#
Parameter
Min
Max
Unit
V1:
BCLK V
IL
2
0.7
V
V2:
BCLK V
IH
2
1.8
V
V
IN
Absolute Voltage Range
3
-0.8
3.5
V
V4:
1.8
V
V5:
Falling Edge Ringback
4
0.7
V
V3:
Rising Edge Ringback
4
BCLK rising/falling slew-rate
0.8
4
V/ns
NOTES:
1.
Unless otherwise noted, all specifications in this table apply to all Intel mobile modules.
2.
BCLK must rise and fall monotonically between VIL,BCLK and VIH, BCLK.
The mobile Celeron processor PSB clock overshoot and undershoot specification for 66-megahertz operation.
3.
4.
The rising and falling edge ringback voltage specified is the minimum (rising) or maximum (falling) absolute
voltage the BCLK signal can dip back to after passing the VIH (rising) or VIL (falling) voltage limits.
For proper signal termination, refer to the Clocking Guidelines in the
Mobile Pentium
a
II Processor / 440BX
PCIset Advanced Platform Recommend Design and Debug Practices.
5.
V2
V1
V3
V3
T3
V5
V4
T6
T4
T5
000806
Figure 4. BCLK, TCK, PICCLK Generic Clock Waveform at the Processor Core Pin
4.7
The Voltage Regulator
The DC voltage regulator (DC/DC converter) provides the
appropriate core voltage, the I/O ring voltage, and the
sideband signal pullup voltage for the Celeron processor
mobile module. The voltage range is 5 volts-21 volts.
4.7.1
Voltage Regulator Efficiency
Table 18 lists the voltage regulator efficiencies.
Table 18. Typical Voltage Regulator Efficiency
Icore, A
3
V_DC, V
I_DC, A
2
Efficiency
1
1
5.0
0.370
82.8%
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