CS42432-DMZ Cirrus Logic Inc, CS42432-DMZ Datasheet - Page 29

• Manufacturer Part Number: CS42432-DMZ
• Description: IC, AUDIO CODEC, 24BIT, 200KHZ, MQFP-52
• Manufacturer: Cirrus Logic Inc

Specifications of CS42432-DMZ

• Audio Codec Type: Stereo
• No. Of Adcs: 4
• No. Of Dacs: 6
• No. Of Input Channels: 4
• No. Of Output Channels: 6
• Adc / Dac Resolution: 24bit
• Sampling Rate: 200kSPS
• Ic Interface Type: I2C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DS673F2
No
H/W pins setup to
Hardware Mode
1. VQ = VA/2.
2. Aout bias = VA/2.
3. No audio signal generated.
desired settings.
Valid MCLK
Applied?
No
1. VQ = VA/2.
2. Aout = HI-Z.
3. No audio signal generated.
4. Control Port Registers reset
to default.
Power-Down (Power Applied)
Analog Output Mute
Yes
1. VQ = ?
2. Aout bias = ?
3. No audio signal
generated.
Access Detected?
RST = Low?
Control Port
Control Port
No Power
Accessed
Figure 10. Audio Output Initialization Flow Chart
No
ERROR: MCLK/LRCK ratio change
Registers setup to
desired settings.
Software Mode
Valid MCLK
Yes
Applied?
Yes
ERROR: Power removed
Yes
No
RST = Low
1. VQ = VA/2.
2. Aout bias = VA/2.
3. Audio signal generated per register settings.
No
1. VQ = VA/2.
2. Aout bias = VQ.
1. LRCK valid.
2. SCLK valid.
3. Audio samples
processed.
Sub-Clocks Applied
Normal Operation
2000 LRCK delay
PDN bit = '1'b?
MCLK/LRCK
1. VQ = VA/2.
2. Aout bias = VA/2 + last audio sample.
3. No audio signal generated.
Power-Up
Ratio?
Valid
Yes
No
ERROR: MCLK removed
Analog Output Freeze
Yes
1. VQ = VA/2.
2. Aout bias = Hi-Z.
3. No audio signal generated.
4. Control Port Registers retain
settings.
PDN bit set
to '1'b
Power-Down
CS42432
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