AD8197 データシートの表示（PDF） - Analog Devices

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AD8197

4:1 HDMI/DVI Switch with Equalization

Analog Devices 

AD8197

PARALLEL CONTROL INTERFACE

The AD8197 can be controlled through the parallel interface

using the PP_EN, PP_CH[1:0], PP_EQ, PP_PRE[1:0], PP_OTO,

and PP_OCL pins. Logic levels for the parallel interface pins

are set in accordance with the specifications listed in Table 1.

Setting these pins updates the parallel control interface

registers, as listed in Table 24. Following a reset, the AD8197

Preliminary Technical Data

can be controlled through the parallel control interface until the

first serial control event occurs. As soon as any serial control

event occurs, the serial programming values override any prior

parallel programming values, and the parallel control interface

is disabled until the part is subsequently reset. The default serial

programming values correspond to the state of the serial

interface configuration registers, as listed in Table 5.

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