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AX88190AL データシート(PDF) 39 Page - ASIX Electronics Corporation

部品番号 AX88190AL
部品情報  10/100BASE PCMCIA Fast Ethernet MAC Controller
PDF  49 Pages
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メーカー  ASIX [ASIX Electronics Corporation]
ホームページ  http://www.asix.com.tw
Logo ASIX - ASIX Electronics Corporation

AX88190AL データシート(HTML) 39 Page - ASIX Electronics Corporation

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AX88190A
PCMCIA Fast Ethernet MAC Controller
ASIX ELECTRONICS CORPORATION
39
Appendix B: AX88190 design changes to AX88190A
Please refer to following circuit diagram that implement in AX88190 PWB and follow the following
four steps.
1. Remove AX88190 and replace with AX88190A
2. Remove 2 pieces of buffer memory(32k*8 SRAM). Because they are not necessary anymore.
3. Remove 74F86 and 74F74 TTL IC
4. Shorten the jumper shown as below circuit diagram lable “Jumper for future use”
From
PCMCIA
Connector
Pin
9
From
AX88190
Pin
101
To
AX88190
Pin
16
Jumper
for
future
use
CLK25M
OE_#
OE_M#
U1B
74F74
D
12
CLK
11
Q
9
Q
8
U1A
74F74
D
2
CLK
3
Q
5
Q
6
U2A
74F86
1
2
3



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