www.ti.com
1.2
Pin Assignments and Terminal Functions
HPOR/LOR
AIN2L
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
11
30
10
31
9
32
SPOLP
AIN3L
SPOLN
AIN3R
PGND
MICB
V
PA
V
C
C
SPORP
AGND
SPORN
V
C
O
M
HPCOM/MONO
HPOL/L
OL
PCM3793ARHB
(TOP VIEW)
AIN1R
DIN
AIN1L
DOUT
MODE
V
IO
MS/ADR
V
D
D
MD/SDA
DGND
MC/SCL
SCKI
LRCK
HDTI
HPOR/LOR
AIN2L
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
11
30
10
31
9
32
NC
AIN3L
NC
AIN3R
PGND
MICB
V
PA
V
C
C
NC
AGND
NC
V
C
O
M
HPCOM/MONO
HPOL/L
OL
PCM3794ARHB
(TOP VIEW)
AIN1R
DIN
AIN1L
DOUT
MODE
V
IO
MS/ADR
V
D
D
MD/SDA
DGND
MC/SCL
SCKI
LRCK
HDTI
Pin Assignments and Terminal Functions
Figure 1-1
and
Figure 1-2
show the pin assignments for the PCM3793A/94A.
Table 1-1
lists the terminal
functions.
Figure 1-1. PCM3793A Pin Assignments
Figure 1-2. PCM3794A Pin Assignments
Table 1-1. PCM3793A/94A Terminal Functions
TERMINAL
NAME
PCM3793ARHB
PCM3794ARHB
I/O
DESCRIPTION
AGND
19
19
–
Ground for analog
AIN1L
27
27
I
Analog input 1 for L-channel
AIN1R
26
26
I
Analog input 1 for R-channel
AIN2L
25
25
I
Analog input 2 for L-channel
AIN2R
24
24
I
Analog input 2 for R-channel
AIN3L
23
23
I
Analog input 3 for L-channel
AIN3R
22
22
I
Analog input 3 for R-channel
BCK
1
1
I/O
Serial bit clock
DGND
6
6
–
Digital ground
DIN
2
2
I
Serial audio data input
DOUT
3
3
O
Serial audio data output
HDTI
8
8
I
Headphone plug insertion detection
HPCOM/MONO
9
9
O
Headphone common/mono line output
HPOL/LOL
17
17
O
Headphone/lineout for R-channel
HPOR/LOR
16
16
O
Headphone/lineout for L-channel
LRCK
32
32
I/O
Left and right channel clock
MC/SCL
31
31
I
Mode control clock for three-wire/two-wire interface
MD/SDA
30
30
I/O
Mode control data for three-wire/two-wire interface
MICB
21
21
O
Microphone bias source output
MODE
28
28
I
Two- or three-wire interface selection (low: SPI; high: I
2
C)
MS/ADR
29
29
I
Mode control select for three-wire/two-wire interface
PGND
13
13
–
Ground for speaker power amplifier
14
Description
SBAU127 – July 2007
Submit Documentation Feedback
Summary of Contents for DEM-DAI3793A
Page 1: ...DEM DAI3793A 3794A EVM User s Guide July 2007 AIP Consumer Audio TI Japan SBAU127...
Page 2: ...2 SBAU127 July 2007 Submit Documentation Feedback...
Page 16: ...Description 16 SBAU127 July 2007 Submit Documentation Feedback...
Page 72: ...Schematic PCB Layout and Bill of Materials 72 SBAU127 July 2007 Submit Documentation Feedback...
