ax88790 ASIX Electronics Corporation, ax88790 Datasheet - Page 19

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ax88790

Manufacturer Part Number
ax88790
Description
Pcmcia 10/100m Fast Ethernet Controller With Embedded Phy
Manufacturer
ASIX Electronics Corporation
Datasheet

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The I/O Base registers (MIOBASE0 and MIOBASE1) determine the base address of the I/O range used to access the
MODEM specific registers.
I/O Base Register 0
I/O Base Register 1
4.2.2 Configuration and Status Register of MODEM (MCSR) Offset 3E2H (Read/Write)
4.2.3 I/O Base Register 0/1 of MODEM (MIOBASE0/1) Offset 3EAH/3ECH (Read/Write)
FIELD
FIELD
FIELD
7:3
7:0
7:0
2
1
0
AX88790 L
R/W/C
R/W/C
R/W/C
R/W
R/W
R/W
R
R
-
Reserved
MPwrDwn : Modem power down setting
While this bit set to 1, MPWDN pin (pin 116) will be active to force modem chip into power
down mode. As for MPWDN is active high or active low. Please refer section 2.7 Power on
configuration setup signal cross-reference table.
Intr: Interrupt Request
The LAN function will set this bit to 1 when it need interrupt service and set it to 0 when it
is not request interrupt service.
IntrAck: Interrupt Acknowledge
This bit will be 0. The Intr will reflect the status of interrupt requesting.
Base I/O address bit 7 – 0.
Base I/O address bit 15 – 8.
3-in-1 PCMCIA Fast Ethernet Controller
19
DESCRIPTION
DESCRIPTION
DESCRIPTION
ASIX ELECTRONICS CORPORATION

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