ax88190a ASIX Electronics Corporation, ax88190a Datasheet - Page 19

• Manufacturer Part Number: ax88190a
• Description: Pcmcia 10/100m Fast Ethernet Mac Controller With Embedded Memory
• Manufacturer: ASIX Electronics Corporation

4.3 MAC Core Registers
Tab - 15 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 in the Command
Register.
PAGE 0 (PS1=0,PS0=0)
1BH - 1EH
17H – 18H
OFFSET
AX88190A
0AH
0DH
1AH
0BH
0CH
0EH
00H
01H
02H
03H
04H
05H
06H
07H
08H
09H
0FH
10H
11H
12H
13H
14H
15H
16H
19H
1FH
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
-
Inter-frame Gap (IFG)
Reserved
GPI
GPIO
Reserved
Reset
READ
PCMCIA Fast Ethernet MAC Controller
19
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)
Reserved
Reserved
GPIO
Reserved
Reserved
ASIX ELECTRONICS CORPORATION
WRITE