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11/24/05 20:06
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#104135 - Problem Interfacing RTL8019AS
I have interfaced and ISA LAN RTL8019AS with AT89C52 same as XRAM is interfaced with controller. I/0 Address range is 0x300 to 0x31F and IRQ no. is 3. i have connected the AEN with GND
IORD IOWR are connnected with RD and WR respectively
IRQ3 is connected with EX0

A0 to A7 are connected with address line of the controller on 74HC573,and D0 to D7 with P0.0 to P0.7

A8,A9 are connected with VCC and A10 to A15 are grounded

the problem is that the i am unable to read and write the values into the control register of NIC




List of 5 messages in thread
TopicAuthorDate
Problem Interfacing RTL8019AS            01/01/70 00:00      
   RST line            01/01/70 00:00      
      RST line            01/01/70 00:00      
         Source            01/01/70 00:00      
            Source code for RTL8019AS initialzation            01/01/70 00:00      

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