ax88790 ASIX Electronics Corporation, ax88790 Datasheet - Page 20

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

4.3 MAC Core Registers
Tab - 16 Page 0 of MAC Core Registers Mapping
All registers of MAC Core are 8-bit wide and mapped into pages which are selected by PS (Page Select) in
the Command Register.
PAGE 0 (PS1=0,PS0=0)
18H - 1EH
OFFSET
0AH
0BH
0CH
0DH
00H
01H
02H
03H
04H
05H
06H
07H
08H
09H
0EH
0FH
10H
11H
12H
13H
14H
15H
16H
17H
1FH
AX88790 L
Command Register
( CR )
Page Start Register
( PSTART )
Page Stop Register
( PSTOP )
Boundary Pointer
( BNRY )
Transmit Status Register
( TSR )
Number of Collisions Register
( NCR )
Current Page Register
( CPR )
Interrupt Status Register
( ISR )
Current Remote DMA Address 0
( CRDA0 )
Current Remote DMA Address 1
( CRDA1 )
Reserved
Reserved
Receive Status Register
( RSR )
Frame Alignment Errors
( CNTR0 )
CRC Errors
( CNTR1 )
Missed Packet Errors
( CNTR2 )
Data Port
IFGS1
IFGS2
MII/EEPROM Access
Test Register
Inter-frame Gap (IFG)
GPI
Reserved
Reset
READ
3-in-1 PCMCIA Fast Ethernet Controller
20
Command Register
( CR )
Page Start Register
( PSTART )
Page Stop Register
( PSTOP )
Boundary Pointer
( BNRY )
Transmit Page Start Address
( TPSR )
Transmit Byte Count Register 0
( TBCR0 )
Transmit Byte Count Register 1
( TBCR1 )
Interrupt Status Register
( ISR )
Remote Start Address Register 0
( RSAR0 )
Remote Start Address Register 1
( RSAR1 )
Remote Byte Count 0
( RBCR0 )
Remote Byte Count 1
( RBCR1 0
Receive Configuration Register
( RCR )
Transmit Configuration Register ( TCR )
Data Configuration Register
( DCR )
Interrupt Mask Register
( IMR )
Data Port
IFGS1
IFGS2
MII/EEPROM Access
Test Register
Inter-frame Gap (IFG)
GPOC
Reserved
Reserved
ASIX ELECTRONICS CORPORATION
WRITE