Marantz SR4001 - Page 48

68
IC29 : CS4382A-CQ
MUTEC1
MUTEC234
41
22
Mute Control (Output) - The Mute Control pins go high during power-up initialization, reset, muting,
power-down or if the master clock to left/right clock frequency ratio is incorrect. These pins are intended
to be used as a control for external mute circuits to prevent the clicks and pops that can occur in any sin-
gle supply system. The use of external mute circuits are not mandatory but may be desired for designs
requiring the absolute minimum in extraneous clicks and pops.
AOUTA1 +,-
AOUTB1 +,-
AOUTA2 +,-
AOUTB2 +,-
AOUTA3 +,-
AOUTB3 +,-
AOUTA4 +,-
AOUTB4 +,-
39, 40
38, 37
35, 36
34, 33
29, 30
28, 27
25, 26
24, 23
Differential Analog Output (Output) - The full scale differential analog output level is specified in the
Analog Characteristics specification table.
VA 32
Analog Power (Input) - Positive power supply for the analog section. Refer to the Recommended Oper-
ating Conditions for appropriate voltages.
VLS 43 Serial Audio Interface Power (Input) - Determines the required signal level for the serial audio inter-
face. Refer to the Recommended Operating Conditions for appropriate voltages.
Control Port Definitions
SCL/CCLK 15 Serial Control Port Clock (Input) - Serial clock for the serial control port. Requires an external pull-up
resistor to the logic interface voltage in I
2
C mode as shown in the Typical Connection Diagram.
SDA/CDIN 16 Serial Control Data (Input/Output) - SDA is a data I/O line in I
2
C mode and requires an external pull-up
resistor to the logic interface voltage, as shown in the Typical Connection Diagram. CDIN is the input
data line for the control port interface in SPI mode.
AD0/CS
17
Address Bit 0 (I
2
C) / Control Port Chip Select (SPI) (Input) - AD0 is a chip address pin in I
2
C mode;
CS is the chip select signal for SPI format.
Stand-Alone Definitions
M0
M1
M2
M3
17
16
15
42
Mode Selection (Input) - Determines the operational mode of the device as detailed in Tables 6 and 7.
DSD Definitions
DSD_SCLK 42 DSD Serial Clock (Input) - Serial clock for the Direct Stream Digital audio interface.
DSD_EN
7
DSD-Enable (Input) - When held at logic ‘1’ the device will enter DSD mode (Stand-Alone mode only).
DSDA1
DSDB1
DSDA2
DSDB2
DSDA3
DSDB3
DSDA4
DSDB4
3
2
1
48
47
46
45
44
Direct Stream Digital Input (Input) - Input for Direct Stream Digital serial audio data.
Pin Name # Pin Description