ax88790 ASIX Electronics Corporation, ax88790 Datasheet - Page 2

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

1.0 INTRODUCTION .............................................................................................................................................. 5
2.0 SIGNAL DESCRIPTION ................................................................................................................................... 7
3.0 MEMORY AND I/O MAPPING...................................................................................................................... 13
4.0 REGISTERS OPERATION ............................................................................................................................. 15
1.1 G
1.2 AX88790 B
1.3 AX88790 P
2.1 PCMCIA B
2.2 EEPROM S
2.3 MII
2.4 10/100M
2.5 B
2.6 M
2.7 G
2.8 M
2.9 P
3.1 EEPROM M
3.2 A
3.3 I/O M
3.4 SRAM M
4.1 PCMCIA F
4.2 PCMCIA F
4.3 MAC C
4.4 T
4.1.1 Configuration Option Register of LAN (LCOR) Offset 3C0H (Read/Write) ............................................... 16
4.1.2 Configuration and Status Register of LAN (LCSR) Offset 3C2H (Read/Write) ......................................... 17
4.1.3 I/O Base Register 0/1 of LAN (LIOBASE0/1) Offset 3CAH/3CCH (Read/Write) ...................................... 17
4.2.1 Configuration Option Register of MODEM (MCOR) Offset 3E0H (Read/Write)...................................... 18
4.2.2 Configuration and Status Register of MODEM (MCSR) Offset 3E2H (Read/Write) ................................. 19
4.2.3 I/O Base Register 0/1 of MODEM (MIOBASE0/1) Offset 3EAH/3ECH (Read/Write) .............................. 19
4.3.1 Command Register (CR) Offset 00H (Read/Write) ................................................................................... 22
4.3.2 Interrupt Status Register (ISR) Offset 07H (Read/Write).......................................................................... 22
4.3.3 Interrupt mask register (IMR) Offset 0FH (Write).................................................................................... 23
4.3.4 Data Configuration Register (DCR) Offset 0EH (Write) .......................................................................... 23
4.3.5 Transmit Configuration Register (TCR) Offset 0DH (Write) .................................................................... 23
4.3.6 Transmit Status Register (TSR) Offset 04H (Read)................................................................................... 24
4.3.7 Receive Configuration (RCR) Offset 0CH (Write).................................................................................... 24
4.3.8 Receive Status Register (RSR) Offset 0CH (Read) ................................................................................... 24
4.3.9 Inter-frame gap (IFG) Offset 16H (Read/Write)....................................................................................... 24
4.3.10 Inter-frame gap Segment 1(IFGS1) Offset 12H (Read/Write) ................................................................. 25
4.3.11 Inter-frame gap Segment 2(IFGS2) Offset 13H (Read/Write) ................................................................. 25
4.3.12 MII/EEPROM Management Register (MEMR) Offset 14H (Read/Write)................................................. 25
4.3.13 Test Register (TR) Offset 15H (Write).................................................................................................... 25
4.3.14 Test Register (TR) Offset 15H (Read) .................................................................................................... 25
4.3.15 General Purpose Input Register (GPI) Offset 17H (Read)...................................................................... 26
4.3.16 GPO and Control (GPOC) Offset 17H (Write)....................................................................................... 26
4.4.1 MR0 -- Control Register Bit Descriptions................................................................................................. 28
4.4.2 MR1 -- Status Register Bit Descriptions ................................................................................................... 29
4.4.3 MR2, MR3 -- Identification Registers (1 and 2) Bit Descriptions.............................................................. 30
4.4.4 MR4 – Autonegotiation Advertisement Registers Bit Descriptions............................................................ 30
4.4.5 MR5 – Autonegotiation Link Partner Ability (Base Page) Register Bit Descriptions................................. 30
OWER ON CONFIGURATION SETUP SIGNALS CROSS REFERENCE TABLE
UILT
HE
ENERAL
ENERAL
TTRIBUTE
ODEM INTERFACE PINS GROUP
ISCELLANEOUS PINS GROUP
INTERFACE SIGNALS GROUP
E
-
APPING
MBEDDED
AX88790 L
IN
ORE
BPS
PHY LED
D
P
EMORY
URPOSE
UNCTION
UNCTION
ESCRIPTION
US
IN
M
LOCK
IGNALS
R
EMORY
T
................................................................................................................................................... 14
EMORY
EGISTERS
C
WISTED
I
NTERFACE
ONNECTION
PHY R
M
D
I/O
IAGRAM
APPING
G
INDICATOR PINS GROUP
M
C
C
ROUP
M
-P
APPING
ONFIGURATION
ONFIGURATION
:..................................................................................................................................... 5
PINS GROUP
.................................................................................................................................... 20
EGISTERS
APPING
AIR
S
................................................................................................................................ 8
.............................................................................................................................. 14
: .............................................................................................................................. 5
IGNALS
D
I
............................................................................................................................ 11
NTERFACE PINS GROUP
.......................................................................................................................... 13
IAGRAM
.......................................................................................................................... 8
.......................................................................................................................... 9
........................................................................................................................ 13
..................................................................................................................... 27
.................................................................................................................. 10
G
ROUP
R
R
............................................................................................................... 6
EGISTER
EGISTER
......................................................................................................... 7
3-in-1 PCMCIA Fast Ethernet Controller
CONTENTS
....................................................................................................... 9
S
S
ET OF
ET OF
........................................................................................... 9
2
LAN........................................................................... 15
MODEM .................................................................... 18
................................................................ 12
ASIX ELECTRONICS CORPORATION