70
S-301
Terminal Functions
TERMINAL
I/O
NAME
PIN
I/O
DESCRIPTIONS
1
Left and right clock (fs) input for PCM-format operation. WDCK clock input in external DF mode.
Connected to ground in DSD mode
(1)
AGNDF
9
–
Analog ground (DACFF)
AGNDL
19
–
Analog ground (L-channel I/V)
AGNDR
11
–
Analog ground (R-channel I/V)
DBCK
4
I
Bit clock input for DSD mode. Connected to ground in PCM mode
(1)
DGND
8
–
Digital ground
DSDL
25
I
L-channel data input for DSD mode and external DF mode
(1)
DSDR
24
I
R-channel data input for DSD mode and external DF mode
(1)
MC
27
I
Mode control clock input
(1)
MDI
26
I/O
Mode control data input
(2)
MS
28
I/O
Mode control chip select
(2)
PBCK
2
I
I
Bit clock input for PCM mode. Connected to GND for DSD mode
(1)
PDATA
3
I
Serial audio data input for PCM mode
(1)
PLRCK
RST
6
I
Reset
(1)
SCK
5
I
System clock input
(1)
V
CC
C
15
–
Analog power supply (internal bias and current DAC), 5 V
V
CC
F
21
–
Analog power supply (DACFF), 5 V
V
CC
L
20
–
Analog power supply (L-channel I/V), 5 V
V
CC
R
10
–
Analog power supply (R-channel I/V), 5 V
V
COM
14
–
Internal bias decoupling pin
V
DD
7
–
Digital power supply, 3.3V
V
OUT
L+
17
O
L-channel analog voltage
V
OUT
L–
18
O
L-channel analog voltage output –
V
OUT
R+
13
O
R-channel analog voltage
V
OUT
R–
12
O
R-channel analog voltage output –
ZEROL
23
O
Zero flag for L-channel
ZEROR
22
O
Zero flag for R-channel
Notes:
(1) Schmitt-trigger input, 5-V tolerant
(2) Schmitt-trigger input and output, 5-V tolerant
AGNDC
16
–
Analog ground (internal bias and current DAC)
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