DS1077(2003) Просмотр технического описания (PDF) - Dallas Semiconductor -> Maxim Integrated

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DS1077
(Rev.:2003)

EconOscillator/Divider

Dallas Semiconductor -> Maxim Integrated 

DEVICE MODE USING OUT0 Table 1

DS1077

EN0

(BIT)

SEL0

(BIT)

PDN0 CTRL0

(BIT) (PIN)

OUT0

(PIN)

CTRL0

FUNCTION

DEVICE

MODE

1

0

0

0

0

HI-Z

POWER-

POWER-DOWN

HI-Z

DOWN*

ACTIVE

1

MCLK/M

0

1

0

MUX SELECT

ACTIVE

0

MCLK

1

0

0

1

0

HI-Z

MCLK

OUTPUT

ENABLE

ACTIVE

1

1

0

1

0

HI-Z

MCLK/M

OUTPUT

ENABLE

ACTIVE**

X

0

1

1

0

HI-Z

MCLK

POWER-

DOWN

POWER-DOWN

ACTIVE

X

1

1

1

HI-Z

POWER-

POWER-DOWN

0

MCLK/M

DOWN

ACTIVE

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

**Default Condition

DEVICE MODE USING OUT1 Table 2

PDN1 CTRL1

CTRL1

(BIT) (PIN)

FUNCTION

0

0

OUTPUT ENABLE

OUT1

OUT CLK

DEVICE MODE

ACTIVE**

0

1

1

0

1

1

**Default Condition

OUTPUT ENABLE

POWER-DOWN

POWER-DOWN

HI-Z

OUT CLK

HI-Z

ACTIVE**

ACTIVE

POWER-DOWN

NOTE:

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

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 3).

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