Figure C-9 Audio Card Functional Block Diagram - Sun Microsystems Ultra 60 Service Manual

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
LINL
A
LINR
Line level
input (stereo)
MINL
B
MINR
Microphone level
input (stereo)
Aux 1 L
C Aux 1 R
CD-ROM drive
(Internal/optional)
Audio Card Functional Block Diagram
FIGURE C-9
MONO_OUT
LOUT L
LOUT R
G
Codec
LOUT L
LOUT R
EBus Interface
Appendix C Functional Description
D
E1
E
Line Out
Line level out
mute control
(stereo)
F1
F
Headphone
Headphone
mute control
out (stereo)
Mono
speaker
C-29