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CP2114 Datasheet(PDF) 13 Page - Silicon Laboratories

Part # CP2114
Description  SINGLE-CHIP USB AUDIO TO I2S DIGITAL AUDIO BRIDGE
PDF  44 Pages
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Manufacturer  SILABS [Silicon Laboratories]
Direct Link  http://www.silabs.com
Logo SILABS - Silicon Laboratories

CP2114 Datasheet(HTML) 13 Page - Silicon Laboratories

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CP2114
Rev. 1.1
13
3. Pinout and Package Definitions
Table 14. CP2114 Pin Definitions
Name
Pin #
Type
Description
VDD
7
Power In
Power Out
Power Supply Voltage Input.
Voltage Regulator Output. See Section 10.
VIO
6
Power In I/O Supply Voltage Input.
GND
3
Ground. Must be tied to ground.
RST
10
D I/O
Device Reset. Open-drain output of internal POR or VDD monitor. An external
source can initiate a system reset by driving this pin low for the time specified
in Table 3.
REGIN
8
Power In 5 V Regulator Input. This pin is the input to the on-chip voltage regulator.
VBUS
9
D In
VBUS Sense Input. This pin should be connected to the VBUS signal of a
USB network.
D+
4
D I/O
USB D+
D–
5
D I/O
USB D–
VPP
21*
Special
Connect a 4.7 µF capacitor between this pin and ground to support one-time
programming via the USB interface.
SUSPEND
17*
D Out
This pin indicates whether the device is in the USB Suspend or not (active-
low).
SUSPEND
18*
D Out
This pin indicates whether the device is in the USB Suspend or not (active-
high).
SCK
2
D Out
Serial clock output signal for the I2S interface.
SDIN
1
D In
Serial data input signal for the I2S interface.
SDOUT
32
D Out
Serial data output signal for the I2S interface.
MCLK
25
D Out
Master clock output signal for the I2S interface.
LRCK
23
D Out
Left-right clock output for the I2S interface.
EXTCLK
31*
D In
External clock input of CP2114 (optional). An external clock is needed if the
codec/DAC does not support a 12.000 MHz master clock (MCLK).
SDA
27
D I/O
Serial data signal for the I2C interface.
SCL
26
D I/O
Serial clock signal for the I2C interface.
GPIO.0
RMUTE
30*
D I/O
D In
User-configurable input or output.
Record Mute: Toggles record between mute and un-mute each time this pin is
driven low.
GPIO.1
PMUTE
29*
D I/O
D In
User-configurable input or output.
Playback Mute: Toggles playback between mute and un-mute each time this
pin is driven low.
*Note: Pins can be left unconnected when not used.



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