CS53L32A

DS513F1

19

4.3

POWER-DOWN

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

Access:

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

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.

4.4

CONTROL PORT ENABLE

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

Access:

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

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.

76543

210

RESERVED

BOOST

AINMUX1

AINMUX0

RESERVED

RESERVED

PDN

CP_EN

PDN

MODE

0

Disabled

1

Enabled

Table 2. Power-Down Enable

76543

210

RESERVED

BOOST

AINMUX1

AINMUX0

RESERVED

RESERVED

PDN

CP_EN

CP_EN

MODE

0Disabled

1

Enabled

Table 3. Control Port Enable