Cs4360 – Cirrus Logic CS4360 User Manual
Page 6
CS4360
6
DS517F2
Pin Name
#
Pin Description
VLS
1
Serial Audio Interface Power (
Input
) - Positive power for the serial audio interface.
SDIN1
SDIN2
SDIN3
2
3
4
Serial Audio Data Input (
Input
) - Input for two’s complement serial audio data.
SCLK
5
Serial Clock (
Input
) - Serial clock for the serial audio interface.
LRCK
6
Left Right Clock (
Input
) - Determines which channel, Left or Right, is currently active on the serial audio
data line.
MCLK
7
Master Clock (
Input
) - Clock source for the delta-sigma modulator and digital filters.
VD
8
Digital Power (
Input
) - Positive power supply for the digital section.
GND
9
21
Ground (
Input
)
RST
10
Reset (
Input
) - Powers down device and resets all internal resisters to their default settings.
VLC
14
Control Port Interface Power (
Input
) - Positive power for the control port interface.
FILT+
16
Positive Voltage Reference (
Output
) - Positive reference voltage for the internal sampling circuits.
VQ
17
Quiescent Voltage (
Output
) - Filter connection for internal quiescent voltage.
VA
22
Analog Power (
Input
) - Positive power supply for the analog section.
AOUTB3
AOUTA3
AOUTB2
AOUTA2
AOUTB1
AOUTA1
19
20
23
24
26
27
Analog Outputs (
Output
) - The full scale analog line output level is specified in the
Analog Characteris-
tics and Specifications
table.
MUTEC3
MUTEC2
MUTEC1
18
25
28
Mute Control (
Output
) - Control signal for optional mute circuit.
Control Port
Definitions
SCL/CCLK
11
Serial Control Port Clock (
Input
) - Serial clock for the control port interface.
SDA/CDIN
12
Serial Control Data I/O
(
Input/Output
) -
Input/Output for I²C data. Input for SPI data.
AD0/CS
13
Address Bit / Chip Select (
Input
) - Chip address bit in I²C Mode. Control signal used to select the chip
in SPI mode.
Stand-Alone
Definitions
DIF1
DIF0
11
12
Digital Interface Format (
Input
) - Defines the required relationship between the Left Right Clock, Serial
Clock and Serial Audio Data.
M1
M2
13
15
Mode Selection (
Input
) - Determines the operational mode of the device.