91C94 Datasheet, PDF (30/120 Pages) SMSC Corporation – ISA/PCMCIA SINGLE CHIP ETHERNET CONTROLLER WITH RAM

16 Bit Reg isters 16 Bit Reg isters 16 Bit Reg isters 16 Bit Reg isters
BANK0
BANK1
0
TC R
CONFIG
2 _{EPH STATUS}
BASE
BANK2
BANK3
MMU
COMMAND
PNR
ARR
MULTICAST
4
RC R
FIFO PORTS
INDIVID UAL
6 COUNTER
ADDRESS
POINTER
8
MIR
DATA
TABLE
MGMT
A
MCR
GENER AL
PURPOSE
DATA
REVISION
C ^{RESERVED CONTROL INTERRUPT}
ER CV
E
BANK SELECT REGISTER
Non vola ti le,
stored i n EEPROM.
BANK2 Register
used durin g
run time.
FIGURE 10 – LAN91C94 REGISTERS
30