參數(shù)資料
型號(hào)： MPM22CUC450B
廠商： INTEL CORP
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 450 MHz, MICROPROCESSOR, XMA
封裝： MMC-2
文件頁(yè)數(shù)： 63/64頁(yè)
文件大?。?/td> 778K
代理商： MPM22CUC450B
Pentium
III Processor Mobile Module MMC-2
2
Datasheet
245304-004
2.0
Architecture Overview
A highly integrated assembly, the Pentium III processor mobile module contains the mobile
Pentium III processor core that runs at speeds of 450 MHz and 500 MHz with a 100-MHz processor
system bus speed (PSB).
The Intel 440BX AGPset provides immediate system-level support and includes the PIIX4E/M
PCI/ISA Bridge and the 82443BX Host Bridge. The PIIX4E/M provides extensive power
management capabilities and supports the Intel 82443BX Host Bridge. A notebook’s system
electronics must include a PIIX4E/M device to connect to the Pentium III processor mobile module.
Key features of the Intel 82443BX Host Bridge include: the DRAM controller supporting SDRAM
at 3.3Vwith a burst read at 4-1-1-1; a PCI CLKRUN# signal to request the PIIX4E/M to regulate
the PCI clock on the PCI bus; the 82443BX clock enables Self-Refresh mode of SDRAM during
Suspend mode and is compatible with SMRAM (C_SMRAM) and Extended SMRAM
(E_SMRAM) modes of power management; and E_SMRAM mode supports write-back cacheable
SMRAM up to 1 MB.
The thermal transfer plates (TTP) on the mobile Pentium III processor and the 82443BX Host
Bridge provide heat dissipation and thermal attach points for the manufacturer’s thermal solution.
An on-board voltage regulator converts the system DC voltage to the processor’s core and I/O
voltage. Isolating the processor voltage requirements allows the system manufacturer to
incorporate different processor variants into a single notebook system. Supporting input voltages
from 7.5V to 21.0V, the integrated module voltage regulator enables an above 80% peak efficiency
and de-couples the processor voltage requirements from the system.
Also incorporated is active thermal feedback (ATF) sensing, compliant with the ACPI Specification
Rev 1.0. Figure 1 illustrates the block diagram of the mobile module.
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