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參數(shù)資料
| 型號： | FM3570MT20X |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 2mm TERMINAL STRIP |
| 中文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PDSO20 |
| 封裝： | PLASTIC, TSSOP-20 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 93K |
| 代理商： | FM3570MT20X |
1
www.fairchildsemi.com
F
R
FM3570 Rev. A
FM3570
CPU CONFIGURATION CONTROLLER
Register/Multiplexer for Microprocessor VID
General Description
The Fairchild FM3570 replaces the CPU motherboard’s configu-
ration switches with an electronic implementation consisting of a
4/5-bit multiplexed, 1-bit latched port, standard 2-wire bus inter-
face, and non-volatile latches.
The FM3570 multiplexes the I-port input signals with two internal
non-volatile registers that can be loaded through the serial port.
The multiplexer is selected via the serial port and defaults to the
I-port upon power-up. Pull-up resistors are provided on the input
port to accommodate connections to open-drain outputs and to
eliminate the need for external resistors. The device has open-
drain outputs for easy interface to devices with different V
DD
levels.
Block Diagram
Preliminary
March 2001
SOPRA
SOPRB
IIC
Interface
Start/Stop
Logic
Shift
Register
Slave Address
Register
Comparator
Control Logic
Mux3
Mux2
Non_Mux_Out
Y[4:0]
Mux1
I[4:0]
IIC Read Logic
SDA
SCL
ASEL
OVRD
MUXSEL
MXSB, MXSA
The serial port is an IIC compatible slave-only interface and
supports both 100kbit and 400kbit modes of operation. The port
is used to read the I-Port, write data to the internal non-volatile
registers and select whether the I-port or one of the internal non-
volatile registers is output to the Y-port. The FM3570 is fabricated
with advanced CMOS technology to achieve high density and low
power operation.
Features
I
Extended Operating Voltage Range 3.0V-5.5V
I
IIC Compatible Slave Interface.
I
ESD performance: Human body model > 2000V
I
Choice of 2.5V Outputs or Open-Drain Outputs
2001 Fairchild Semiconductor Corporation
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| FM3580MT20 | 2mm TERMINAL STRIP |
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| FM358 | 制造商:Black Box Corporation 功能描述:GigaStation Snap Fittings, Blank (10-Pack), Black |
| FM3580 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:5-Bit VID Controller with PC Security Element |
| FM3580M/MT20 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FM3580M20 | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| FM3580M20X | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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