ADAV801ASTZ datasheet(30/61 Pages) AD

30 / 61 page

ADAV801

Rev. A | Page 29 of 60

Datapath

The ADAV801 features a digital input/output switching/

multiplexing matrix that gives flexibility to the range of possible

input and output connections. Digital input ports include

playback and auxiliary input (both 3-wire digital), and S/PDIF

(single-wire to the on-chip receiver). Output ports include the

record and auxiliary output ports (both 3-wire digital) and the

S/PDIF port (single-wire from the on-chip transmitter).

Internally, the DIR and DIT are interfaced via 3-wire interfaces.

The datapath for each input and output port is selected by

programming Datapath Control Register 1 and Datapath

Control Register 2. Figure 52 shows the internal datapath

structure of the ADAV801.

PLL

ADC

DAC

OSCILLATOR

REFERENCE

CONTROL

REGISTERS

PLAYBACK

DATA

INPUT

DIR

AUX

DATA

INPUT

RECORD

DATA

OUTPUT

AUX

DATA

OUTPUT

DIT

SRC

Figure 52. Datapath

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