DS1085

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Table 2. DEVICE MODE USING OUT0

EN0

(BIT)

SEL0

(BIT)

PDN0

(BIT)

CTRL0

(PIN)

OUT0

(PIN)

CTRL0

FUNCTION

DEVICE

MODE

1

High-Z

Power-Down***

000

0

High-Z

Power-Down*

Active

1MCLK/M

010

0MCLK

Mux Select

Active

1

High-Z

100

0MCLK

Output Enable

Active

1

High-Z

110

0MCLK/M

Output Enable

Active**

1

High-Z

Power-Down

X0

1

0MCLK

Power-Down

Active

1

High-Z

Power-Down

X1

1

0MCLK/M

Power-Down

Active

*This mode is for applications where OUT0 is not used, but CTRL0 is used as a device shutdown.

**Factory default setting.

***See standby (power-down) current specification for power-down current range.

Table 3. DEVICE MODE USING OUT1

PDN1

(BIT)

CTRL1

(PIN)

CTRL1

FUNCTION

OUT1 (PIN)

DEVICE MODE

0

0

OUT CLK

01

Output Enable

High-Z

Active*

1

0

OUT CLK

Active

11

Power-Down

High-Z

Power-Down

*Factory default setting.

NOTE:

Both CTRL0 and CTRL1 can be configured as power-downs. They are internally “OR” connected so

either of the control pins can be used to provide a power-down function for the whole device, subject to

appropriate settings of the PDN0 and PDN1 register bits (see Table 4).

Table 4. SHUTDOWN CONTROL WITH PDN0 AND PDN1

PDN0

(BIT)

PDN1

(BIT)

SHUTDOWN CONTROL

0

0

NONE

01

CTRL1

10

CTRL0

1

1

CTRL1 OR CTRL0