Smc-networks SpacePC 1232 Series Manual do Utilizador descarregar pdf (Página 29)

J1 USB1

J2 USB2

J3 Microphone IN

J4 Line IN

J5 Speaker OUT

J6 Line OUT

J7 CD IN

J8 Aux IN

J9 Video IN

J10

Speakerphone

IN/OUT

J11

To CPU Board

Connector (J4)

This adapter is composed of 2 functional sections:

¾ USB section, with 2 USB ports which are EMI protected and filtered, and can also supply

power to the peripheral device connected (5V, 500mA);

¾ Audio section, which is equipped with the LM4549 National, an AC97 compliant I.C.

The AC97 architecture separates the analog and digital functions of the PC audio system

allowing both for system design flexibility and increased performance.

The LM4549 is an Audio CODEC for PC systems, which is fully PC98

compliant and performs the analog intensive functions of the AC97 Rev2.1 architecture.

Using 18-bit Sigma-Delta A/D’s and D/A’s, the LM4549 provides 90dB of Dynamic Range.

This board, in its Audio Section, is

provided with 4 stereo inputs, 1 microphone input, 1 stereo line input, 1 stereo earphone

output (200mW) and 1 speakerphone Input/Output that can be connected to a

telephone/modem set.

J9 IDE Connector, JP10 IDE LED Connector

The SpacePC 1232 module provides an interface for one or two Integrated Device Electronics

(IDE) devices.

J9 IDE Connector

J9 is a 22x2 pin connector with 2.0 mm step.

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Smc-networks SpacePC 1232 Series Manual do Utilizador Página 29