Datasheet

10/100 Non-PCI Ethernet Single Chip MAC + PHY
Datasheet
SMSC LAN91C111 REV C 73 Revision 1.92 (06-27-11)
DATASHEET
8.26 Bank 7 - External Registers
nCSOUT is driven low by the LAN91C111 when a valid access to the EXTERNAL REGISTER range
occurs.
OFFSET NAME TYPE SYMBOL
0
THROUG
H 7 EXTERNAL REGISTERS
HIGH
BYTE
EXTERNAL R/W REGISTER
LOW
BYTE
EXTERNAL R/W REGISTER
CYCLE NCSOUT LAN91C111 DATA BUS
AEN=0
A3=0
A4-15 matches I/O BASE
BANK SELECT = 7
Driven low. Transparently latched on nADS
rising edge.
Ignored on writes.
Tri-stated on reads.
BANK SELECT = 4,5,6 High Ignore cycle.
Otherwise High Normal LAN91C111 cycle.