SMC Networks SMC91C95 Product Manual page 66

I/O SPACE - BANK3
OFFSET
8 MANAGEMENT INTERFACE
HIGH
BYTE
0
LOW
BYTE
0
nXNDEC - Read only bit reflecting the status of
the nXENDEC pin.
IOS0-IOS2 - Read only bits reflecting the status of
the IOS0-IOS2 pins.
MDO - The value of this bit drives the EEDO pin
when MDOE=1.
NAME
0 1 1
0 1 1
MDOE=0
EEDO Serial EEPROM Data Out
EESK Serial EEPROM Clock
EECS Serial EEPROM Chip Select
66
TYPE
READ/WRITE
nXNDE IOS2
C
MDOE MCLK
0 0
MDI - Reads the value of the EEDI pin.
MDCLK - The value of this bit drives the EESK pin
when MDOE=1.
MDOE - When this bit is high pins EEDO EECS
and EESK will be
management functions, otherwise the pins assume
the EEPROM values.
MDOE=1
Bit MDO
Bit MCLK
0
SYMBOL
MGMT
IOS1 IOS0
MDI MDO
0 0
used for transceiver