SMC Networks SMC91C95 User Manual
Page 66
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66
I/O SPACE - BANK3
OFFSET
NAME
TYPE
SYMBOL
8
MANAGEMENT INTERFACE
READ/WRITE
MGMT
HIGH
BYTE
nXNDE
C
IOS2
IOS1
IOS0
0
0
1
1
LOW
BYTE
MDOE
MCLK
MDI
MDO
0
0
1
1
0
0
0
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.
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 used for transceiver
management functions, otherwise the pins assume
the EEPROM values.
MDOE=0
MDOE=1
EEDO
Serial EEPROM Data Out
Bit MDO
EESK
Serial EEPROM Clock
Bit MCLK
EECS
Serial EEPROM Chip Select
0
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