Cs4207 – Cirrus Logic CS4207 User Manual
Page 9
DS880F4
9
CS4207
RESET#
11
Reset (Input) - The device enters a low power mode when this pin is driven low.
GPIO1/
DMIC_SDA2/
SPDIF_OUT2
12
General Purpose I/O (Input/Output) - General purpose input or output line, or
Digital Mic Data Input (Input) - The second data input line from a digital microphone, or
S/PDIF Output (Output) - Output from internal S/PDIF Transmitter.
SENSE_A
13
Jack Sense Pin (Input/Output) - Jack sense detect.
GPIO2 14
General Purpose I/O (Input/Output) - General purpose input or output lines.
GPIO3 15
General Purpose I/O (Input/Output) - General purpose input or output lines.
MICBIAS
16
Microphone Bias (Output) - Provides a low noise bias supply for an external microphone. Elec-
trical characteristics are specified in the DC Electrical Characteristics table.
MICIN_L-
MICIN_L+
MICIN_R+
MICIN_R-
17
18
19
20
Microphone Input Left/Right (Input) - The full-scale level is specified in the ADC Analog Char-
acteristics specification table.
LINEIN_L+
LINEIN_C-
LINEIN_R+
21
22
23
Analog Input (Input) - The full-scale level is specified in the ADC Analog Characteristics specifi-
cation table.
VA_REF
VA
24
25
Analog Power (Input) - Positive power for the internal analog section. VA_REF is the return pin
for the VBIAS cap.
AGND
26
Analog Ground (Input) - Ground reference for the internal analog section.
VREF+
27
Positive Voltage Reference (Output) - Positive reference voltage for the internal ADCs.
VCOM
28
Quiescent Voltage (Output) - Filter connection for internal quiescent voltage.
VBIAS
29
Positive Voltage Reference (Output) - Positive reference voltage for the internal DACs.
LINEOUT_L2-
LINEOUT_L2+
LINEOUT_R2+
LINEOUT_R2-
LINEOUT_L1-
LINEOUT_L1+
LINEOUT_R1+
LINEOUT_R1-
30
31
32
33
34
35
36
37
Analog Audio Output (Output) - The full-scale output level is specified in the DAC Analog Char-
acteristics specification table
HPOUT_L
HPOUT_R
38
40
Analog Headphone Output (Output) - The full-scale output level is specified in the DAC Analog
Characteristics specification table.
HPREF
39
Pseudo Diff. Headphone Reference (Input) - Ground reference for the headphone amplifiers.
VHP_FILT-
41
Inverting Charge Pump Filter Connection (Output) - Power supply from the inverting charge
pump that provides the negative rail for the headphone amplifier.
FLYN
42
Charge Pump Cap Negative Node (Output) - Negative node for the inverting charge pump’s fly-
ing capacitor.
FLYC
43
Charge Pump Cap Common Node (Output) - Common positive node for the step-down and
inverting charge pumps’ flying capacitor.
VHP_FILT+
44
Non-Inverting Charge Pump Filter Connection (Output) - Power supply from the step-down
charge pump that provides the positive rail for the headphone amplifier.
FLYP
45
Charge Pump Cap Positive Node (Output) - Positive node for the step-down charge pump’s fly-
ing capacitor.
VA_HP
46
Analog Power For Headphone (Input) - Positive power for the internal analog headphone sec-
tion.
SPDIF_IN
47
S/PDIF Input (Input) - Input to internal S/PDIF Receiver.
SPDIF_OUT1
48
S/PDIF Output (Output) - Output from internal S/PDIF Transmitter.
HPGND
TP
HP Ground (Input) - Ground reference for the internal headphone section. See
for more information.
Pin Name QFN
Pin Description