CDB53L32A データシートの表示（PDF） - Cirrus Logic

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CDB53L32A

Low Voltage, Stereo A/D Converter

Cirrus Logic 

CS53L32A

4.3 POWER-DOWN

I/O and Power Control Register (address 01h)

7

RESERVED

6

BOOST

5

AINMUX1

4

AINMUX0

3

2

RESERVED RESERVED

1

PDN

Access:

R/W in Two Wire Mode and write only in SPI.

0

CP_EN

Default:

1 - Enabled

Function:

The entire device will enter a low-power state whenever this function is activated. The power-down

bit defaults to ‘enabled’ on power-up and must be disabled before normal operation will begin. The

contents of the control registers are retained when this mode is enabled.

PDN

0

1

MODE

Disabled

Enabled

Table 2. Power-Down Enable

4.4 CONTROL PORT ENABLE

I/O and Power Control Register (address 01h)

7

RESERVED

6

BOOST

5

AINMUX1

4

AINMUX0

3

2

RESERVED RESERVED

1

PDN

Access:

R/W in Two Wire Mode and write only in SPI.

0

CP_EN

Default:

0 - Disabled

Function:

The CS53L32A will enter Control Port mode when this bit is enabled. Stand-Alone is the default power

up mode. See Section 6.3, Recommended Power-up Sequence, for more details.

CP_EN

0

1

MODE

Disabled

Enabled

Table 3. Control Port Enable

DS513F1

19

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