Intel IXF1104 manual MDIO Interface Signal Descriptions, Datasheet, Transmitter Fault Interrupt

IXF1104 4-Port Gigabit Ethernet Media Access Controller

Table 9. Optical Module Interface Signal Descriptions (Sheet 2 of 2)

Signal Name	Ball	Type	Standard	Description
	Designator
				Transmitter Fault Interrupt.
				TX_FAULT_INT is an open drain interrupt output
				that signals a TX_FAULT condition.
		Open	2.5 V	NOTE: An external pull-up resistor is
TX_FAULT_INT	P23	Drain
			CMOS	required for proper operation.
		Output*
				NOTE: *Dual-mode I/O
				Normal operation: Open drain output
				Boundary Scan Mode: Standard CMOS
				output
				Module Definition Interrupt.
				MOD_DEF_INT is an open drain interrupt output
				that signals a MOD_DEF condition.
		Open	2.5 V	NOTE: An external pull-up resistor is
MOD_DEF_INT	N22	Drain
			CMOS	required for proper operation.
		Output*
				NOTE: *Dual-mode I/O
				Normal operation: Open drain output
				Boundary Scan Mode: Standard CMOS
				output
I2C_CLK	L23	Output	2.5 V	I2C_CLK is the clock used for the I2C bus
			CMOS	interface.
				I2C Data Bus.
				I2C DATA_0:3 are the data I/Os for the I2C bus
				interface.
I2C DATA_0	L24	Input/		NOTE: An external pull-up resistor is
I2C DATA_1	M24	Open	2.5 V
I2C DATA_2	N24	Drain	CMOS	required for proper operation.
I2C DATA_3	P24	Output*		NOTE: *Dual-mode I/O
				Normal operation: Input/ open drain
				output
				Boundary Scan Mode: Standard CMOS
				output

Table 10. MDIO Interface Signal Descriptions

Signal Name	Ball	Type	Standard	Description
	Designator
				MDIO is the management data input and output.
MDIO	V21	Input/	2.5 V
		Output	CMOS	NOTE: An external pull-up resistor is required for
				proper operation.
MDC	W24	Output	2.5 V	MDC is the management clock to external devices.
			CMOS

Datasheet 53

Document Number: 278757

Revision Number: 007

Revision Date: March 25, 2004