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CS42L55 Datasheet(PDF) 43 Page - Cirrus Logic

Part # CS42L55
Description  Ultra Low Power, Stereo CODEC w/Class H Headphone Amp
PDF  73 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS42L55 Datasheet(HTML) 43 Page - Cirrus Logic

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DS773F1
43
CS42L55
6.3
Power Control 2 (Address 03h)
6.3.1
Headphone Power Control
Configures how the HPDETECT pin, 29, controls the power for the headphone amplifier.
6.3.2
Line Power Control
Configures how the HPDETECT pin, 29, controls the power for the line amplifier.
6.4
Clocking Control 1 (Address 04h)
6.4.1
Master/Slave Mode
Configures the serial port I/O clocking.
6.4.2
SCLK Polarity
Configures the polarity of the SCLK signal.
7
6
5
432
10
PDN_HPB1
PDN_HPB0
PDN_HPA1
PDN_HPA0
PDN_LINB1
PDN_LINB0
PDN_LINA1
PDN_LINA0
PDN_HPx[1:0]
Headphone Status
00
Headphone channel is ON when the HPDETECT pin, 29, is LO.
Headphone channel is OFF when the HPDETECT pin, 29, is HI.
01
Headphone channel is ON when the HPDETECT pin, 29, is HI.
Headphone channel is OFF when the HPDETECT pin, 29, is LO.
10
Headphone channel is always ON.
11
Headphone channel is always OFF.
PDN_LINx[1:0]
Line Status
00
Line channel is ON when the HPDETECT pin, 29, is LO.
Line channel is OFF when the HPDETECT pin, 29, is HI.
01
Line channel is ON when the HPDETECT pin, 29, is HI.
Line channel is OFF when the HPDETECT pin, 29, is LO.
10
Line channel is always ON.
11
Line channel is always OFF.
7
6
5
432
10
Reserved
Reserved
M/S
INV_SCLK
SCK=MCK1
SCK=MCK0
MCLKDIV2
MCLKDIS
M/S
Serial Port Clocks
0
Slave (Input ONLY)
1
Master (Output ONLY)
Application:
“Serial Port Clocking” on page 34
INV_SCLK
SCLK Polarity
0
Not Inverted
1
Inverted



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