CS4207-CNZ Datasheet, PDF (8/148 Pages) Cirrus Logic – Low-power, 4-in / 6-out HD Audio Codec with Headphone Amp

1. PIN DESCRIPTIONS
1.1 CS4207 48-pin QFN Pinout:
CS4207
48 47 46 45 44 43 42 41 40 39 38 37
VL_IF 1
GPIO0/DMIC_SDA1 2
VL_HD ³
DMIC_SCL 4
SDO 5
BITCLK 6
DGND 7
SDI 8
VD 9
SYNC ¹⁰
RESET# 11
GPIO1/DMIC_SDA2 12
/SPDIF_OUT2
Thermal Pad
HPGND
Top-Down (Through Package) View
48-Pin QFN Package
13 14 15 16 17 18 19 20 21 22 23 24
36 LINEOUT_R1+
35 _{LINEOUT_L1+}
34 LINEOUT_L1-
33 _{LINEOUT_R2-}
32 _{LINEOUT_R2+}
31 LINEOUT_L2+
30 LINEOUT_L2-
29 _{VBIAS (DAC)}
28 _VCOM
27 VREF+ (ADC)
26 AGND
25 VA
Pin Name QFN
VL_IF
1
GPIO0/
DMIC_SDA1
2
VL_HD
3
DMIC_SCL
4
SDO
5
BITCLK
6
DGND
7
SDI
8
VD
9
SYNC
10
8
Pin Description
Digital Interface Signal Level (Input) - Digital supply for the GPIO, S/PDIF and Digital Mic inter-
faces. Refer to the Recommended Operating Conditions for appropriate voltages.
General Purpose I/O (Input/Output) - General purpose input or output line, or
Digital Mic Data Input (Input) - The first data input line from a digital microphone.
Digital Interface Signal Level (Input) - Digital supply for the HD Audio interface. Refer to the
Recommended Operating Conditions for appropriate voltages.
Digital Mic Clock (Output) - The high speed clock output to the digital microphone.
Serial Data Input (Input) - Serial data input stream from the HD Audio Bus.
Bit Clock (Input) - 24 MHz bit clock from the HD Audio Bus.
Digital Ground (Input) - Ground reference for the internal digital section.
Serial Data Output (Input/Output) - Serial data output stream to the HD Audio Bus.
Digital Power (Input) - Positive power for the internal digital section.
Sync Clock (Input) - 48 kHz sync clock from the HD Audio Bus.
DS880F4