ADSP-BF523C AD [Analog Devices], ADSP-BF523C Datasheet - Page 15

• Manufacturer Part Number: ADSP-BF523C
• Description: Blackfin Embedded Processor 289-ball MBGA package
• Manufacturer: AD [Analog Devices]

Preliminary Technical Data
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
1
Pin Name
CODEC
To conserve power, the pull-up/pull-down is only present when the control register interface is active (= 0).
CODEC_CLKOUT
CODEC_BCLK
DACDAT
DACLRC
ADCDAT
ADCLRC
CMODE
CSB
CSDA
CSCL
XTI/
CODEC_MCLK
XTO
LHPOUT
RHPOUT
LOUT
ROUT
VMID
MICBIAS
MICIN
RLINEIN
LLINEIN
AVDD
AGND
HPVDD
HPGND
Type
O
I/O
I
I/O
O
I/O
I
I
I/O
I/O
I
O
O
O
O
O
O
O
I
I
I
P
P
P
P
Function
CODEC Clock Output
CODEC Digital Audio Bit Clock
CODEC Digital Audio Data (DAC) Input
CODEC ADC Digital Audio Data Output
CODEC ADC Sample Rate Left/Right Clock
CODEC Control Interface Selection
CODEC Chip Select Interface Address Selection
CODEC Data Input
CODEC Data Clock
CODEC Crystal Input/ Clock Input
CODEC Crystal Output
CODEC Left Channel Headphone Output (Analog Output)
CODEC Right Channel Headphone Output (Analog Output)
CODEC Left Channel Line Output (Analog Output)
CODEC Right Channel Line Output (Analog Output)
CODEC Mid-rail Reference Decoupling Point (Analog Output)
CODEC Electret Microphone Bias (Analog Output)
CODEC Microphone Input; (Analog Input, AC Coupled)
CODEC Right Channel Line Input (Analog Input, AC Coupled)
CODEC Analog V
CODEC Analog Ground
CODEC Analog Headphone V
CODEC Headphone Ground
CODEC DAC Sample Rate Left/Right Clock
CODEC Left Channel Line Input (Analog Input, AC Coupled)
DD
Rev. PrC | Page 15 of 44 | June 2008
DD
ADSP-BF523C/ADSP-BF525C/ADSP-BF527C
Pull-Up/Down
None
Internal Pull-down
None
Internal Pull-down
None
Internal Pull-down
Internal Pull-up
Internal Pull-up
None
None
None
None
None
None
None
None
None
None
None
None
None
N/A
N/A
N/A
N/A
1
1
1
1
1