Service Guide
4-23
4.3.9 ESS1878 Audio Controller with Interface to Expansion Audio Mixer
The ES1878 is a member of the ESS family of audio controllers that includes the ES1868. It shares
most of the features of the ES1868. and includes new features, such as support for the expansion
audio mixer chip, the ES978, and a new IIS serial port and stereo D/A converter. A 4-wire expansion
analog bus and 2-wire serial control bus connect the ES1878 and the ES978
Features
•
Hot-dock interface to expansion audio mixer (ES978)
•
Plug-and-Play support using internal resource ROM.
•
Monophonic full-duplex using two DMA channels.
•
Self-timed joystick port ("digital joystick")
•
Support for up to 7 general purpose outputs and 7 general purpose inputs that can be slaved
with corresponding pins of ES978 in expansion unit
•
IIS interface to intemal stereo D/A for external ZV port or MPEG audio
•
Completely general interrupt mapping, including sharing all interrupts
GNDD
A0
A1
A2
A2
A4
A5
A6
A7
A8
A9
A10
A11
AEN
VDDD
D0
D1
D2
D3
D4
D5
D6
D7
GNDD
SWD
Xl
VDDD
RESET
DOCKED
IIMCLK
llLR
IISLCK
IIDATA
MSD
MCLK
FS
DCLK
DR
DX
GNDD
MSI
MSO
VDDD
XSC
XSD
GNDA
XA0
XA1
XA2
XA3
GPI1
GPIO
GNDD
PCsPKI
XO
GPO0
GPO1
GPO2
DRQC / GPI2
DACKBC / GPI3
DRQB
DACKBB
DRQA
DACKBA
MUTE / GPI6
VOLUP / GPI5
VOLDN / GPI4
IRQE / GPO6
IRQD / GPO5
IRQC / GPO4
IRQC / GPO3
IRQA
IORB
IOWB
VDDD
PCSPKO
AOUT_R
AOUT_L
LINE_R
LINE_L
CIN_R
CIN_L
FOUT_L
FOUT_R
VDDA
VREF
GNDA
MIC
CMR
AUXA_R
AUXA_L
AUXB_R / FDXO
AUXB_L / FDXI
TA
TB
SWC
SWB
SWA
TD
TC
100
1
25
26
51
50
75
76
Figure 4-14
ES1878 Chip Pinouts
Summary of Contents for Extensa 670
Page 46: ...Service Guide 4 7 Figure 4 2 M1521 Pin Assignments ...
Page 51: ...4 12 Theory of Operation Figure 4 6 M6377 Chip Pinouts ...
Page 56: ...Service Guide 4 17 Figure 4 10 TI1130 Chip PCI to CardBus 32 bit Pinouts ...
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