參數(shù)資料
型號(hào)： AX88790L
廠商： ASIX Electronics Corporation
英文描述： 10/100BASE 3-in-1 PCMCIA Fast Ethernet Controller
中文描述： 一個(gè)10/100Base 3合1的PCMCIA快速以太網(wǎng)控制器
文件頁(yè)數(shù)： 18/60頁(yè)
文件大小： 633K
代理商： AX88790L
ASIX ELECTRONICS CORPORATION
18
AX88790 L 3-in-1 PCMCIA Fast Ethernet Controller
4.2 PCMCIA Function Configuration Register Set of MODEM
REGISTER
NAME
MCOR
CONFIGURATION OPTION REGISTER
MCSR
CONFIGURATION AND STATUS REGISTER
MIOBASE0
I/O BASED REGISTER 0
MIOBASE1
I/O BASED REGISTER 1
OFFSET
3E0H
3E2H
3EAH
3ECH
Tab – 15 PCMCIA Function Configuration Register Mapping of MODEM
4.2.1 Configuration Option Register of MODEM (MCOR) Offset 3E0H (Read/Write)
FIELD
7
R/W/C
R/W
DESCRIPTION
Software Reset
Assert this bit will reset the MODEM function of AX88790. Return a 0 to this bit will
leave the MODEM function of AX88790 in a post-reset state as same as that following
hardware reset. The value of this bit is 0 at power-on.
Level IRQ
This bit should be set to 1; the AX88790 always generates Level Mode Interrupt.
Function Configuration Index
These six bits are used to indicate entry of the card configuration table locate in the CIS.
The default value is 0
.
On multifunction PC Card,
Bit 5, Bit4 : Reserved
Bit 3 : MINT route to STSCHG#
If bit 0 of MCOR is set to 0, this bit is ignored.
If both bit 0 and bit 2 of MCOR are set to 1 and this bit is set to 1, the MODEM will route
interrupt request to STSCHG# signal. If this bit is set to 0, the MODEM will generate
interrupt request via IREQ# line.
Bit 2 : MINT route to IREQ# (Enable IREQ# Routing)
If bit 0 of MCOR is set to 0, this bit is ignored.
If bit 0 of MCOR is set to 1 and this bit is set to 1, the MODEM will generate interrupt
request via IREQ# signal. If this bit is set to 0, the MODEM will not generate interrupt
request via IREQ# line.
Bit 1 : Enable Base and Limit Registers
If bit 0 of MCOR is set to 0, this bit is ignored.
If bit 0 of MCOR is set to 1 and this bit is set to 1,only I/O addresses that are qualified
by the Base and Limit registers are passed to MODEM function. If this bit is set to 0,all
I/O addresses are passed to LAN function.
Bit 0 : Enable Function
If this bit is set to 0, the MODEM function is disabled.
If this bit is set to 1, the MODEM function is enabled.
6
R/W
5:0
R/W
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