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Техническое описание

SMSC SCH5617C, Техническое описание

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Страница: 5 / 5

background image

Deskto

p System Cont

roller

Hub with

Advanced, 8051µC-

B

a

sed Auto

Fan C

ontrol

Revision 0.7 (1

2-09-

08)

5

SMSC SCH

5617C

PRODUCT

PREVIEW

Package Outline

Figure 2 128-Pin QFP Package Outline (3.9mm footprint)

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Содержание SCH5617C

Страница 1: ...with ProcHot Features PWM Pulse width Modulation Outputs 3 Legacy PWM control dc fan outputs High Frequency PWM Options 15kHz up to 30kHz 2 second delayed start up for PWM outputs Fan Tachometer or Lock Rotor Inputs 3 Programmable linear automatic fan control based on temperature Acoustic enhancement mode ProcHot pins modulate Tmin Fan PWM duty cycle is a function in linear mode of multiple temper...

Страница 2: ...eir respective holders SMSC DISCLAIMS AND EXCLUDES ANY AND ALL WARRANTIES INCLUDING WITHOUT LIMITATION ANY AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE TITLE AND AGAINST INFRINGEMENT AND THE LIKE AND ANY AND ALL WARRANTIES ARISING FROM ANY COURSE OF DEALING OR USAGE OF TRADE IN NO EVENT SHALL SMSC BE LIABLE FOR ANY DIRECT INCIDENTAL INDIRECT SPECIAL PUNITIVE OR CO...

Страница 3: ...anagement logic including generation of RSMRST and Power OK signal generation There are also four LEDs to indicate power status and hard drive activity Also included is SMBus Isolation logic which can be used to isolate SMBus signals during power down modes The part provides 45 General Purpose I O control pins which offer flexibility to the system designer There are 21 Scratchpad read write runtim...

Страница 4: ...n layout CLOCK GEN LPC Bus Interface SERIAL IRQ Glue Logic TACH1 TACH2 TACH3 HVSS Remote1 Remote1 Remote2 Remote2 HVTR PWM1 PWM2 PWM3 PROCHOT_IN PROCHOT_OUT IDE_RSTDRV PCI_RST_SYS PCI_RST_SLOTS PS_ON PWR_GOOD_3V PWRGD_PS RSMRST SECONDARY_HD PRIMARY_HD SCSI HD_LED LED2 LED3 LED1 LAD 3 0 LFRAME LDRQ PCI_RESET LPCPD SER_IRQ PCI_CLK IO_PME IO_SMI PD 7 0 BUSY SLCT PE ERROR ACK STROBE INIT SLCTIN ALF TX...

Страница 5: ...Desktop System Controller Hub with Advanced 8051µC Based Auto Fan Control Revision 0 7 12 09 08 5 SMSC SCH5617C PRODUCT PREVIEW Package Outline Figure 2 128 Pin QFP Package Outline 3 9mm footprint ...

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