ADSP-BF523C(RevPrC) 查看數據表（PDF） - Analog Devices
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ADSP-BF523C Datasheet PDF : 44 Pages
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Preliminary Technical Data
ADSP-BF523C/ADSP-BF525C/ADSP-BF527C
CODEC PIN DESCRIPTIONS
The ADSP-BF523C/ADSP-BF525C/ADSP-BF527C product
adds CODEC signals to those listed in Table 1 of the standard
product datasheet ADSP-BF522/523/524/525/526/527 revision
PrD.
Table 10. CODEC Pin Descriptions
Pin Name
Type Function
CODEC
CODEC_CLKOUT O
CODEC Clock Output
CODEC_BCLK
I/O CODEC Digital Audio Bit Clock
DACDAT
I
CODEC Digital Audio Data (DAC) Input
DACLRC
I/O CODEC DAC Sample Rate Left/Right Clock
ADCDAT
O
CODEC ADC Digital Audio Data Output
ADCLRC
I/O CODEC ADC Sample Rate Left/Right Clock
CMODE
I
CODEC Control Interface Selection
CSB
I
CODEC Chip Select Interface Address Selection
CSDA
I/O CODEC Data Input
CSCL
I/O CODEC Data Clock
XTI/
I
CODEC_MCLK
CODEC Crystal Input/ Clock Input
XTO
O
CODEC Crystal Output
LHPOUT
O
CODEC Left Channel Headphone Output (Analog Output)
RHPOUT
O
CODEC Right Channel Headphone Output (Analog Output)
LOUT
O
CODEC Left Channel Line Output (Analog Output)
ROUT
O
CODEC Right Channel Line Output (Analog Output)
VMID
O
CODEC Mid-rail Reference Decoupling Point (Analog Output)
MICBIAS
O
CODEC Electret Microphone Bias (Analog Output)
MICIN
I
CODEC Microphone Input; (Analog Input, AC Coupled)
RLINEIN
I
CODEC Right Channel Line Input (Analog Input, AC Coupled)
LLINEIN
I
CODEC Left Channel Line Input (Analog Input, AC Coupled)
AVDD
AGND
P
CODEC Analog VDD
P
CODEC Analog Ground
HPVDD
HPGND
P
CODEC Analog Headphone VDD
P
CODEC Headphone Ground
1 To conserve power, the pull-up/pull-down is only present when the control register interface is active (= 0).
Pull-Up/Down
None
Internal Pull-down1
None
Internal Pull-down1
None
Internal Pull-down1
Internal Pull-up1
Internal Pull-up1
None
None
None
None
None
None
None
None
None
None
None
None
None
N/A
N/A
N/A
N/A
Rev. PrC | Page 15 of 44 | June 2008
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