Sun Microsystems 60 service manual Linl

The audio connector supports the following:

■

■

■

■

Nine Codec address lines

Eight Codec data lines

Control lines: Write, read, Codec chip select, PROM chip select, reset

Codec DMA support signals: playback request, playback acknowledge, capture request, and capture acknowledge

■

■

■

■

Codec power down line

Audio analog lines: DC volume control line

Audio present

Power/ground: Two +12 Vdc lines, one -12 Vdc line, one Vcc line, five digital grounds, and four analog grounds

■Two spare pins

	A	LINL
		LINR
Line level
input (stereo)
		MINL

G

MONO_OUT

LOUT L

LOUT R E1

D

E

Mono speaker

B MINR

Microphone level input (stereo)

Codec

Line Out	Line level out
mute control	(stereo)

Aux 1 L

C Aux 1 R

CD-ROM drive (Internal/optional)

LOUT L

LOUT R F1

F
Headphone	Headphone
mute control	out (stereo)

EBus Interface

FIGURE C-9Audio Card Functional Block Diagram

Appendix C Functional Description C-29