Libertas: Difference between revisions

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(chip usage examples and Xbox360 details)
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<tr >
<tr >
<th> Part no.
<th> Part no.
</th><th> examples
</th><th> b/g/a
</th><th> b/g/a
</th><th> Package option
</th><th> Package option
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<tr BGCOLOR="#dddddd">
<tr BGCOLOR="#dddddd">
<td> 88W8305
<td> 88W8305
</td><td> ?
</td><td> b
</td><td> b
</td><td> TQFP 128pin 14x14x1.2 TBGA no option Flip chip Yes
</td><td> TQFP 128pin 14x14x1.2 TBGA no option Flip chip Yes
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<tr BGCOLOR="#dddddd">
<tr BGCOLOR="#dddddd">
<td> 88W8381
<td> 88W8381
</td><td> ?
</td><td> b
</td><td> b
</td><td> TQFP 128pin 14x14x1.2 TBGA 132pin 8x8x1 Flip chip Yes
</td><td> TQFP 128pin 14x14x1.2 TBGA 132pin 8x8x1 Flip chip Yes
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<tr BGCOLOR="#dddddd">
<tr BGCOLOR="#dddddd">
<td> 88W8385
<td> 88W8385
</td><td> Gumstix
</td><td> a/b/g
</td><td> a/b/g
</td><td> TQFP 128pin 14x14x1.2 TBGA 132pin 8x8x1 Flip chip Yes
</td><td> TQFP 128pin 14x14x1.2 TBGA 132pin 8x8x1 Flip chip Yes
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<tr BGCOLOR="#ffffff">
<td>'''[[88W8388]]'''
<td>'''[[88W8388]]'''
</td><td> XO, Xbox360
</td><td> a/b/g
</td><td> a/b/g
</td><td> TQFP No TBGA 132pin 8x8x1 Flip chip Yes
</td><td> TQFP No TBGA 132pin 8x8x1 Flip chip Yes
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<tr >
<tr >
<th> Part no.
<th> Part no.
</th><th> examples
</th><th> b/g/a
</th><th> b/g/a
</th><th> Package option
</th><th> Package option
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<tr BGCOLOR="#dddddd">
<tr BGCOLOR="#dddddd">
<td> 88W8010
<td> 88W8010
</td><td> ?
</td><td> b/g
</td><td> b/g
</td><td> QFN 48pin 7x7x1 XFQFN 48pin 6x6x0.5
</td><td> QFN 48pin 7x7x1 XFQFN 48pin 6x6x0.5
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<tr BGCOLOR="#ffffff">
<td>'''[[88W8015]]'''
<td>'''[[88W8015]]'''
</td><td> XO, Gumstix
</td><td> b/g
</td><td> b/g
</td><td> QFN 48pin 7x7x1 XFQFN 48pin 6x6x0.5
</td><td> QFN 48pin 7x7x1 XFQFN 48pin 6x6x0.5
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<tr BGCOLOR="#dddddd">
<td> 88W8030/8031
<td> 88W8030/8031
</td><td> Xbox360 (88W8030)
</td><td> a/b/g
</td><td> a/b/g
</td><td> QFN 56pin 8x8x1 XFQFN
</td><td> QFN 56pin 8x8x1 XFQFN
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<tr BGCOLOR="#dddddd">
<td> 88W8035/8036
<td> 88W8035/8036
</td><td> ?
</td><td> a/b/g
</td><td> a/b/g
</td><td> QFN no XFQFN 56pin 7x7x0.5
</td><td> QFN no XFQFN 56pin 7x7x0.5
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* The XBox 360 wireless module is also based on the '''88w8388''' and possibly can be used with the olpc firmware: http://www.free60.org/wiki/Wifi_Adapter
* The XBox 360 wireless module is also based on the '''88w8388''' and possibly can be used with the olpc firmware.
*: http://wiki.free60.org/WifiAdapter
:<i>It has now been confirmed that this is still not possible. The firmware loader on the Xbox WLAN module is not the same.--March, 2007</i>
*: http://www.free60.org/wiki/Wifi_Adapter

*: incompatible firmware loader
*: 4Mbit SPI flash
*: uses 88W8030 RF chip


* There is a project to take the driver developed for the OLPC and utilized it for all of the libertas family including '''88w8385 cf cards''': http://projects.linuxtogo.org/projects/marvell8385/
* There is a project to take the driver developed for the OLPC and utilized it for all of the libertas family including '''88w8385 cf cards''': http://projects.linuxtogo.org/projects/marvell8385/

Revision as of 23:10, 13 September 2007

  This page is monitored by the OLPC team.
  english | 한국어 HowTo [ID# 64705]  +/-  

Libertas is the codename for the Marvel 88w838X series of wireless chipsets.

Baseband Processor Product Selection table
Part no. examples b/g/a Package option CLK Type Interface Feature/Advantage
88W8305  ? b TQFP 128pin 14x14x1.2 TBGA no option Flip chip Yes 20, 40, 44 CMOS only CF SDIO (SPI) TKIP (firmware) AES (hardware) WPA (firmware) Power Save
88W8381  ? b TQFP 128pin 14x14x1.2 TBGA 132pin 8x8x1 Flip chip Yes 19.2, 20, 26, 38.4, 40, 44 COMS & Low swing sine wave CF SDIO (SPI) 8305 + TKIP (hardware) 802.11e (QoS) 802.11i (Security) BT coex
88W8385 Gumstix a/b/g TQFP 128pin 14x14x1.2 TBGA 132pin 8x8x1 Flip chip Yes 19.2, 20, 26, 38.4, 40, 44 COMS & Low swing sine wave CF SDIO (SPI) Generic SPI 8381 + a/g
88W8388 XO, Xbox360 a/b/g TQFP No TBGA 132pin 8x8x1 Flip chip Yes 19.2, 20, 26, 38.4, 40, 44 COMS & Low swing sine wave SDIO (SPI) USB 2.0 8385 + TCP/IP termination NAND Flash I/F Audio Codec I/F


RF transceiver Product Selection table
Part no. examples b/g/a Package option CLK Type Feature/Advantage
88W8010  ? b/g QFN 48pin 7x7x1 XFQFN 48pin 6x6x0.5 19.2, 20, 26, 38.4, 40, 44 CMOS On chip 2.4GHz PA On chip Rx diversity Tx power@pin = +22dBm@11b, +16dBm@11g
88W8015 XO, Gumstix b/g QFN 48pin 7x7x1 XFQFN 48pin 6x6x0.5 19.2, 20, 26, 38.4, 40 COMS & Low swing sine wave On chip 2.4GHz PA Tx power@pin = +22dBm@11b, +16dBm@11g Enhanced filtering for cellular handsets Low swing sine wave CLK-in
88W8030/8031 Xbox360 (88W8030) a/b/g QFN 56pin 8x8x1 XFQFN 8030 40MHz crystal 8031 19.2, 20, 26, 38.4, 40, 44 COMS On chip 2.4GHz PA / Need ext.PA for 5GHz Tx power@pin = +22dBm@11b, +16dBm@11g, +0dBm@11a pre-Driver 8030 has internal OSC supply for BBP
88W8035/8036  ? a/b/g QFN no XFQFN 56pin 7x7x0.5 8035 19.2, 20, 26, 38.4, 40 COMS & Low swing sine wave 8036 40MHz crystal Need ext.PA for both 2.4GHz and 5GHz Tx power@pin = +0dBm@pre-Driver Enhanced filtering for cellular handsets 8036 has internal OSC supply for BBP Low swing sine wave CLK-in


  • The OLPC utilizes a 88w8388 baseband processor along with a 88w8015 rf transceiver connected via an internal USB interface.



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