Intel C2518 FH8065501516710 Data Sheet

Intel

®

 Atom™ Processor C2000 Product Family for Microserver

Datasheet, Vol. 3 of 3

September 2014

590

Order Number: 330061-002US

SATA3_GP0/GPIOS_17

I

CMOS_V3P3

1

20K, PU

V3P3S

Serial ATA 0 General Purpose: 

This is an input pin which can 

be configured as an interlock 

switch or as a general purpose 

I/O depending on the 

platform. When used as an 

interlock switch status 

indication, this signal is driven 

to 0 to indicate that the switch 

is closed and to 1 to indicate 

that the switch is open. If the 

SATA3_GP0 interface is not 

used, the signals can be used 

as GPIO Port 17. 

SATA3_LEDN/GPIOS_18

O, OD

CMOS_V3P3_

OD

1

EXT PU

V3P3S

Serial ATA LED: This is an 

open-collector output pin 

driven during SATA command 

activity. It is to be connected 

to external circuitry that can 

provide the current to drive a 

platform LED. When active, 

the LED is on. When tri-

stated, the LED is off. An 

external pull-up resistor is 

required. If SATA3_LEDN 

interface is not used, the 

signals can be used as GPIO 

Port 18. 

SATA3_TXP[1:0]

O

LV DIFF

2

V1P0S

Serial ATA Ports 1:0 

Differential Transmit Pairs: 

Ports 1:0 support up to 

6 Gb/s.

SATA3_TXN[1:0]

O

LV DIFF

2

V1P0S

Serial ATA Ports 1:0 

Differential Transmit Pairs: 

Ports 1:0 support up to 

6 Gb/s.

SATA3_RXP[1:0]

I

LV DIFF

2

V1P0S

Serial ATA Ports 1:0 

Differential Receive Pairs: 

Ports 1:0 support up to 

6 Gb/s. 

SATA3_RXN[1:0]

I

LV DIFF

2

V1P0S

Serial ATA Ports 1:0 

Differential Receive Pairs: 

Ports 1:0 support up to 

6 Gb/s. 

SATA3_REFCLKP

I

LV DIFF

1

V1P0S

Serial ATA 100 MHz 

Differential Clock: Reference 

clock 100 MHz differential 

signal from a clock chip. If 

unused, tie to ground through 

a 10 kΩ resistor.