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1.2PinAssignmentsandTerminalFunctions
HPOR/LORAIN2L
BCK
AIN2R
24
1
23
2
22
3
21
4
20
5
19
6
18
7
17
8
16
25
15
26
14
27
13
28
12
29
1130
1031
932
SPOLP
AIN3L
SPOLN
AIN3R
PGND
MICB
V
PA
V
C
C
SPORP
AGND
SPORN
V
COM
HPCOM/MONO
HPOL/LOL
PCM3793ARHB
(TOPVIEW)
AIN1R
DIN
AIN1L
DOUT
MODE
V
IO
MS/ADR
V
DD
MD/SDA
DGND
MC/SCL
SCKI
LRCK
HDTI
HPOR/LORAIN2L
BCK
AIN2R
24
1
23
2
22
3
21
4
20
5
19
6
18
7
17
8
16
25
15
26
14
27
13
28
12
29
1130
1031
932
NC
AIN3L
NC
AIN3R
PGND
MICB
V
PA
V
C
C
NC
AGND
NC
V
COM
HPCOM/MONO
HPOL/LOL
PCM3794ARHB
(TOPVIEW)
AIN1R
DIN
AIN1L
DOUT
MODE
V
IO
MS/ADR
V
DD
MD/SDA
DGND
MC/SCL
SCKI
LRCK
HDTI
PinAssignmentsandTerminalFunctions
Figure1-1andFigure1-2showthepinassignmentsforthePCM3793A/94A.Table1-1liststheterminal
functions.
Figure1-1.PCM3793APinAssignmentsFigure1-2.PCM3794APinAssignments
Table1-1.PCM3793A/94ATerminalFunctions
TERMINAL
NAMEPCM3793ARHBPCM3794ARHBI/ODESCRIPTION
AGND1919–Groundforanalog
AIN1L2727IAnaloginput1forL-channel
AIN1R2626IAnaloginput1forR-channel
AIN2L2525IAnaloginput2forL-channel
AIN2R2424IAnaloginput2forR-channel
AIN3L2323IAnaloginput3forL-channel
AIN3R2222IAnaloginput3forR-channel
BCK11I/OSerialbitclock
DGND66–Digitalground
DIN22ISerialaudiodatainput
DOUT33OSerialaudiodataoutput
HDTI88IHeadphonepluginsertiondetection
HPCOM/MONO99OHeadphonecommon/monolineoutput
HPOL/LOL1717OHeadphone/lineoutforR-channel
HPOR/LOR1616OHeadphone/lineoutforL-channel
LRCK3232I/OLeftandrightchannelclock
MC/SCL3131IModecontrolclockforthree-wire/two-wireinterface
MD/SDA3030I/OModecontroldataforthree-wire/two-wireinterface
MICB2121OMicrophonebiassourceoutput
MODE2828ITwo-orthree-wireinterfaceselection(low:SPI;high:I
2
C)
MS/ADR2929IModecontrolselectforthree-wire/two-wireinterface
PGND1313–Groundforspeakerpoweramplifier
14DescriptionSBAU127–July2007
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