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CS42L92 Datasheet(PDF) 82 Page - Cirrus Logic

Part # CS42L92
Description  32-Bit 384-kHz Hi-Fi Audio Codec
PDF  333 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS42L92 Datasheet(HTML) 82 Page - Cirrus Logic

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82
DS1162F2
CS42L92
4.3 Digital Core
Figure 4-31. Digital-Core Sample-Rate Control
The input signal paths may be selected as input to the digital mixers or signal-processing functions. The sample rate for
the input signal paths can either be set globally (using IN_RATE), or can be configured independently for each input
channel (using the respective INnx_RATE fields). The applicable mode depends on IN_RATE_MODE, as described in
FX_RATE
+
(GPIO pin)
PWM
PWM1
PWM2
(GPIO pin)
S/PDIF
PWM_RATE
SPD1_RATE
Tone Generator 1
Tone Generator
Tone Generator 2
TONE_RATE
Noise Generator
White Noise
Generator
NOISE_GEN_RATE
HAP_RATE
Haptic Output
Haptic Signal
Generator
SLIMRXn_RATE (n = 1..8)
SLIMTXn_RATE (n = 1..8)
+
EQn
EQ
EQ1
EQ2
EQ3
EQ4
+
LHPFn
LHPF
LHPF1
LHPF2
LHPF3
LHPF4
DRCn
Left
DRCn
Right
DRC
DRC1
DRC2
+
+
OUT_RATE
OUT_RATE
IN_RATE, or INnx_RATE
ASRC1_RATE1
ASRC1_RATE2
DFCn
DFC
DFC1 – DFC1_RATE
DFC2 – DFC2_RATE
DFC3 – DFC3_RATE
DFC4 – DFC4_RATE
DFCn
DFC
DFC5 – DFC5_RATE
DFC6 – DFC6_RATE
DFC7 – DFC7_RATE
DFC8 – DFC8_RATE
ASRC1 Left
ASRC1 Right
Asynchronous
Sample Rate
Converter (ASRC)
ASRC1
ASRC1 Right
ASRC1 Left
ISRCn_FSL
ISRCn_FSH
ISRCn DEC1
ISRCn DEC2
ISRC2
Isochronous
Sample Rate
Converter (ISRC)
ISRC1
ISRCn INT2
ISRCn INT1
SLIMbus
SLIMbus = 8 input, 8 output
+
AIFn TX1 output
+
AIFn TX2 output
+
AIFn TX... output
+
AIFn TX... output
AIFn RX...
AIFn RX...
AIFn RX2
AIFn RX1
etc...
AIF1 = 8 input, 8 output
AIF2 = 8 input, 8 output
AIF3 = 8 input, 8 output
AIF2 – AIF2_RATE
AIF3 – AIF3_RATE
AIF1 – AIF1_RATE
DSP1 Ch 1
DSP1 Ch 2
DSP1 Ch 3
DSP1 Ch 4
DSP1 Ch 5
DSP1 Ch 6
DSP Core
+
+
DSP1 – DSP1_RATE
OUT5
OUT3
OUT2
+
OUTnL output
+
OUTnR output
Stereo
Output
Paths
OUT1
IN1L signal path
IN1R signal path
IN2L signal path
IN2R signal path
IN3L signal path
IN3R signal path
IN4L signal path
IN4R signal path
US1_RATE
US2_RATE
Silence (mute)
Ultrasonic 1 path
AEC1 Loopback
AEC2 Loopback
Ultrasonic 2 path



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