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tiacx1xx [2010/08/09 03:07]
steve_m created
tiacx1xx [2010/08/10 00:45]
steve_m picture, signal table
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 The TI ACX100/​ACX111 is a already somewhat outdated 802.11 wireless LAN chipset, which is based on a ARM7TDMI core. The TI ACX100/​ACX111 is a already somewhat outdated 802.11 wireless LAN chipset, which is based on a ARM7TDMI core.
 +There is an [[http://​acx100.sourceforge.net/​|open source project]] which develops a Linux kernel driver.
 +
 +^ Chip     ^ ACX100 ​       ^ ACX111 ​     ^
 +| TI name  | TNETW1100 ​    | TNETW1130 ​  |
 +| standard | IEEE802.11b+ ​ | IEE802.11g+ |
 +| speed    | 22Mbps ​       | 54Mbps ​     |
 +
 +For a full list of devices see [[http://​acx100.sourceforge.net/​matrix.html|here]].
 +
 +====== JTAG Port ======
 +
 +When taking apart a Level1 WBR-2401B router, I noticed that the used ACX100 CardBus-card has a 6-pin header.
 +
 +{{:​acx100_jtag.jpg?​800|ACX100 card with JTAG header}}
 +
 +As it turned out by try and error, it is connected to the JTAG pins of the ACX100 chip. Once it was clear that the first 2 pins are GND and VDD (+3.3V), I tried all combinations of the JTAG signals.
 +
 +^ Pin   ^ 1   ^ 2   ^ 3   ^ 4   ^ 5   ^ 6   ^
 +|signal | GND | VDD | TCK | TDI | TDO | TMS |
tiacx1xx.txt ยท Last modified: 2011/01/09 03:21 (external edit)