參數(shù)資料
型號: AX88190P
廠商: ASIX Electronics Corporation
英文描述: 10/100BASE PCMCIA Fast Ethernet MAC Controller
中文描述: 一個10/100Base的PCMCIA快速以太網(wǎng)MAC控制器
文件頁數(shù): 38/41頁
文件大?。?/td> 465K
代理商: AX88190P
AX88190 PCMCIA Fast Ethernet MAC Controller
ASIX ELECTRONICS CORPORATION
38
Errata of AX88190 V1
1. OE# synchronous problem result in PC hang
Solution : Using hardware CKT to pre-sync OE# signal as below.
2. Interrupt Status can’t always clean up
Solution : Using software to do clean and check iteration until clean up.
Ex : IOBASE=300 ; Clear Tx/Rx interrupt.
Mov dx,307h
ClrISR :
Mov al,3
Out dx,al
In al,dx
Test al,3
Jz ClrISRDone ; Clear ok
Mov al,0
Out dx,al
Jmp ClrISR
; clear Tx/Rx interrupt
; output to clear ISR
; read ISR
; Check ISR cleared or not
; if not, clear again
ClrISRDone:
; clear successful
3. CE1# Bus decoder problem
Solution : Dis-connect AX88190 CE1# (pin 18) from PCMCIA connector CE1#
(pin 7). And connect AX88190 CE1# (pin 18) to logic “0” always
enable this signal.
From PCMCIA
Connector
Pin 9
From AX88190
Pin 101
To AX88190
Pin 16
Jumper for future use
CLK25M
OE_#
U1B
74F74
9
D
12
CLK
11
Q
Q
8
P
1
C
1
U1A
74F74
5
D
2
CLK
3
Q
Q
6
P
4
C
1
U2A
74F86
1
2
3
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