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參數(shù)資料
| 型號： | A1400AMT3C |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 1400 MHz, MICROPROCESSOR, CPGA453 |
| 封裝： | STAGGERED, CERAMIC, PGA-453 |
| 文件頁數(shù)： | 11/90頁 |
| 文件大?。?/td> | 1497K |
| 代理商： | A1400AMT3C |
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Chapter 2
Interface Signals
5
23792I—June 2001
AMD Athlon Processor Model 4 Data Sheet
Preliminary Information
2
Interface Signals
2.1
Overview
The AMD Athlon system bus architecture is designed to
de live r u np rec ede nt e d da ta m ove me nt b a ndw id th fo r
next-generation x86 platforms, as well as the high performance
required by enterprise-class application software. The system
bus architecture consists of three high-speed channels (a
unidirectional processor request channel, a unidirectional
probe channel, and a 72-bit bidirectional data channel,
including 8-bit error code correction [ECC] protection),
source-synchronous clocking, and a packet-based protocol. In
addition, the system bus supports several control, clock, and
legacy signals. The interface signals use an impedance
controlled push-pull low-voltage swing signaling technology
contained within the Socket A socket. For more information,
“Pin Descriptions” on page 45, and the AMD Athlon and
AMD Duron System Bus Specification, order# 21902.
2.2
Signaling Technology
The AMD Athlon system bus uses a low-voltage, swing signaling
technology, which has been enhanced to provide larger noise
margins, reduced ringing, and variable voltage levels. The
signals are push-pull and impedance compensated. The signal
inputs use differential receivers, which require a reference
voltage (VREF). The reference signal is used by the receivers to
determine if a signal is asserted or deasserted by the source.
Termination resistors are not needed because the driver is
impedance matched to the motherboard and a high impedance
reflection is used at the receiver to bring the signal past the
input threshold.
For more information about pins and signals, see Chapter 10,
相關(guān)PDF資料 |
PDF描述 |
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| A1A1-0001-01 | FEMALE, RF STRAIGHT ADAPTER |
| A213SYZQ | TOGGLE SWITCH, SP3T, LATCHED AND MOMENTARY, 2A, 30VDC, PANEL MOUNT-THREADED |
| A22E-MK-11 | PUSHBUTTON SWITCH, SPST, MOMENTARY, 10A, 24VDC, PANEL MOUNT |
| A22E-SK-11 | PUSHBUTTON SWITCH, SPST, MOMENTARY, 10A, 24VDC, PANEL MOUNT |
| A22K-2AL-11 | ROTARY SWITCH-2POSITIONS, SPST, LATCHED, PANEL MOUNT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A1400HS 20 | 制造商:Thomas & Betts 功能描述:1/2 SLOT CHANNEL |
| A1400HS 20EG | 制造商:Thomas & Betts 功能描述:1/2 SLOT CHANNEL |
| A1400HS KIT | 制造商:Thomas & Betts 功能描述:6" LENGTH STRUT, GOLDGALV |
| A1400P 10 | 制造商:Thomas & Betts 功能描述:PUNCHED CHANNEL |
| A1400P 10HDG | 制造商:Thomas & Betts 功能描述:PUNCHED CHANNEL |
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