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4 lan connector, 5 audio interface, 6 analog connectors – Kontron KTT30-mITX User Manual

Page 20: Lan connector, Audio interface, Analog connectors, Ktt30/mitx users guide

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KTD-N0857-A

Page 17

Rear Connectors



KTT30/mITX Users Guide

7.4

LAN Connector

The KTT30 uses an Intel

®

82574 Gigabit PCI Express

®

LAN controller which supports 10/100/1000 Base-T

interfaces. The controller auto-negotiates the management of a 10, 100 or 1000 Mbps connection. Addi-
tionally you can boot up the board via a network connection from a PXE server.

The LAN interface is available through the standard RJ45 connector J8 (8 pins).

Header

Pin

Signal

Description

Type

1

TXD+ / MDIO1+

10/100 transmit / 1000 pair 1 (positive)

DSO / DSIO

2

TXD- / MDIO1-

10/100 transmit / 1000 pair 1 (negative)

DSO / DSIO

3

RXD+ / MDIO2+

10/100 receive / 1000 pair 2 (positive)

DSI / DSIO

4

MDIO3+

1000 pair 3 (positive)

DSIO

5

MDIO3-

1000 pair 3 (negative)

DSIO

6

RXD- / MDIO2-

10/100 receive / 1000 pair 2 (negative)

DSI / DSIO

7

MDIO4+

1000 pair 4 (positive)

DSIO

8

MDIO4-

1000 pair 4 (negative)

DSIO

7.5

Audio Interface

The SoC supports an Inter-IC Sound (I

2

S) codec with 24 bit resolution and 96 kHz sample rate (the

maximum rate of 96 kHz only unidirectional). The analogue-to-digital part of the codec uses 24 bit, 128x
oversampled sigma-delta ADCs. The digital-to-analogue part contains two 24 bit sigma-delta DACs. The
interface includes LINE OUT, LINE IN, MICROPHONE IN and a digital S/PDIF output.


7.6

Analog Connectors

The analog audio interface uses three TRS (Tip, Ring, Sleeve) connectors J9 to J11 (3 pins).









1

Parameter

Values

Units

Output resolution (LINE OUT, S/PDIF)

16/20/24

bit

Output sample rate (LINE OUT, S/PDIF)

44.1/48/96

kHz

Output signal-to-noise ratio (LINE OUT)

96

dB

Input resolution (LINE IN)

16/20/24

bit

Input sample rate (LINE IN)

44.1/48/96

kHz

Input signal-to-noise ratio (LINE IN)

92

dB

Header

Pin

J11

BLUE

J10

LIME

J9

PINK

Type

Tip

LINEIN-L

LINEOUT-L

MIC-L

IA resp. OA (J10)

Ring

LINEIN-R

LINEOUT-R

MIC-R

IA resp. OA (J10)

Sleeve

GND

GND

GND

PWR

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