ax88190 ASIX Electronics Corporation, ax88190 Datasheet - Page 24

• Manufacturer Part Number: ax88190
• Description: Pcmcia 10/100m Fast Ethernet Mac Controller
• Manufacturer: ASIX Electronics Corporation

5.0 PCMCIA Device Access Functions
The AX88190 , as a PCMCIA I/O device , needs support both Attribute Memory access function
and I/O access function. The Access methods are described as the following sections.
5.1 Attribute Memory access function functions.
Attribute Memory Read function
Standby Mode
Byte Access (8 bits)
Word Access (16 bits)
Odd Byte Only Access
Attribute Memory Write function
Standby Mode
Byte Access (8 bits)
Word Access (16 bits)
Odd Byte Only Access
5.2 I/O access function functions.
I/O Read function
Standby Mode
Byte Access (8 bits)
Word Access (16 bits)
I/O Inhibit
Odd Byte Only Access
I/O Write function
Standby Mode
Byte Access (8 bits)
Word Access (16 bits)
I/O Inhibit
Odd Byte Only Access
Function Mode
Function Mode
Function Mode
Function Mode
AX88190
REG#
REG#
REG#
REG#
X
X
X
X
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
CE2#
CE2#
CE2#
CE2#
X
X
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
PCMCIA Fast Ethernet MAC Controller
CE1#
CE1#
CE1#
CE1#
H
H
H
H
H
X
H
H
X
H
L
L
L
L
L
L
L
L
L
L
L
L
SA0
SA0
SA0
SA0
24
X
X
X
X
X
X
X
X
X
X
X
X
L
H
L
H
L
H
L
L
H
L
IORD# IOWR#
OE#
OE#
OE#
X
X
H
H
H
H
X
X
H
H
H
H
H
L
L
L
L
L
L
L
L
L
ASIX ELECTRONICS CORPORATION
WE#
WE#
WE#
X
H
H
H
H
X
L
L
L
L
X
H
H
H
H
H
X
L
L
L
L
L
Not Valid
Not Valid
Odd-Byte
Odd-Byte
Odd-Byte
Odd-Byte
SD[15:8]
SD[15:8]
SD[15:8]
SD[15:8]
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
X
X
X
X
X
X
X
X
X
Even-Byte
Even-Byte
Even-Byte
Even-Byte
Even-Byte
Even-Byte
Even-Byte
Even-Byte
Not Valid
Odd-Byte
Odd-Byte
SD[7:0]
SD[7:0]
SD[7:0]
SD[7:0]
High-Z
High-Z
High-Z
High-Z
High-Z
X
X
X
X
X
X