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Signal
10G_PHY_MDIO_SDA3
10G_PHY_MDC_SCL3
10G_PHY_CAP_01
Pin#
Description
MDIO Mode: Management Data I/O interface
D15
mode data signal for serial data transfers
between the MAC and an external PHY.
Carrier board:
Device-Connect to PHY circuit.
N/C if not used.
I2C Mode: I2C data signal, of the 2-wire
management interface used for serial data
transfers between the MAC and an external
PHY.
Carrier board:
Device-Connect to PHY circuit.
N/C if not used.
C15
MDIO Mode: Management Data I/O Interface
mode clock signal for serial data transfers
between the MAC and an external PHY.
Carrier board:
Device-Connect to PHY circuit.
N/C if not used.
I2C Mode: I2C Clock signal, of the 2-wire
management interface used for serial data
transfers between the MAC and an external
PHY.
Carrier board:
Device-Connect to PHY circuit.
N/C if not used.
PHY mode capability pin: Indicates if the
D35
PHY for 10G lanes 0 and 1 is capable of
configuration by I2C. High indicates
MDIO-only configuration, and low indicates
configuration capability via I2C or MDIO. The
actual protocol used for PHY configuration is
determined by the module, in part based on
this input. The actual protocol used is
indicated over the dedicated I2C interface
(see Table 13)
Carrier board:
４８
I/O
Notes
1
OC MOS
3.3V
Suspend /
3.3V
1
I/O OD
CMOS
3.3V
Suspend /
3.3V
OC MOS
1
3.3V
Suspend /
3.3V
I/O OD
1
CMOS
3.3V
Suspend /
3.3V
I CMOS
3.3V
Suspend /
3.3V
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