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EW31244SL7QV Datasheet(PDF) 3 Page - Intel Corporation

Part # EW31244SL7QV
Description  Intel짰 31244 PCI-X to Serial ATA Controller
Download  252 Pages
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Manufacturer  INTEL [Intel Corporation]
Direct Link  http://www.intel.com
Logo INTEL - Intel Corporation

EW31244SL7QV Datasheet(HTML) 3 Page - Intel Corporation

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Developer’s Manual
April 2004
3
Intel® 31244 PCI-X to Serial ATA Controller
Contents
1
About This Document ....................................................................................................................15
1.1
Reference Documents ........................................................................................................15
1.2
Terminology and Conventions ............................................................................................16
1.2.1
Representing Numbers ..........................................................................................16
1.2.2
Fields .....................................................................................................................16
1.2.3
Specifying Bit and Signal Values ........................................................................... 17
1.2.4
Signal Name Conventions .....................................................................................17
1.2.5
Terminology ........................................................................................................... 18
2
Overview........................................................................................................................................ 21
2.1
Features.............................................................................................................................. 22
2.2
PCI-X Interface ................................................................................................................... 22
2.3
PCI Commands Supported in M/S (PCI IDE) Mode ...........................................................23
2.3.1
PCI Commands Supported in DPA Mode.............................................................. 24
2.4
Serial ATA Interface............................................................................................................ 25
2.5
Modes of Operation ............................................................................................................ 27
2.5.1
Master/Slave Mode (or PCI IDE Mode) ................................................................. 27
2.5.2
Direct Port Access Mode ....................................................................................... 27
2.5.3
Selecting DPA or M/S Mode .................................................................................. 28
2.5.4
DPA Mode Port Initialization .................................................................................. 28
2.6
Serial EEPROM Interface ................................................................................................... 29
2.7
Extended Voltage Mode ..................................................................................................... 29
2.8
ACTIVITY LEDS ................................................................................................................. 30
2.8.1
Reference Clock Generation ................................................................................. 31
2.9
High-End Storage Features ................................................................................................ 31
2.10
JTAG Interface....................................................................................................................31
3
Serial EEPROM ............................................................................................................................. 32
3.1
Write Status Register (WRSR) Command .......................................................................... 34
3.1.1
PROGRAM Command........................................................................................... 35
3.1.2
READ Command ................................................................................................... 36
3.1.3
Write Disable (WRDI) Command ........................................................................... 37
3.1.4
Read Status Register (RDSR) Command.............................................................. 38
3.1.5
Write Enable (WREN) Command .......................................................................... 39
3.1.6
Sector Erase (SECT_ERASE) Command ............................................................. 40
3.1.7
CHIP_ERASE Command ...................................................................................... 41
3.1.8
Read ID Register (RDID) Command...................................................................... 42
3.1.9
Serial EEPROM SPI Interface – Address 90h ....................................................... 43
3.1.9.1
Programming Details ............................................................................. 43
3.1.9.2
SPI Command / Control / Status Register - Address 90h ...................... 45
3.1.9.2.1 SPI Command ................................................................................. 45
3.1.9.2.2 SPI Control ...................................................................................... 45
3.1.9.2.3 SPI Status ....................................................................................... 45
3.1.9.3
SPI Data Register - Address 94h ...........................................................46
3.1.10 Detection of the EEPROM at Power-Up ................................................................ 46


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