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

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DS1077
(Rev.:2003)

EconOscillator/Divider

Dallas Semiconductor -> Maxim Integrated 

DS1077

DIV WORD

MSB

LSB MSB

LSB

N9 N8 N7 N6 N5 N4 N3 N2 N1 N0 X X X X X X

first data byte

second data byte

N

These ten bits determine the value of the programmable divider (N). The range of divisor values is from 2

to 1025, and is equal to the programmed value of N plus 2 (see Table 5).

PROGRAMMABLE DIVISOR N VALUES Table 5

BIT VALUE

DIVISOR (N)

0 000 000 000**

0 000 000 001

-

-

-

-

1 111 111 111

**Default Condition

2

3

-

-

-

-

1025

BUS WORD

Name

-

-

-

-

WC

A2

A1

A0

Factory Default 0*

0*

0*

0*

0

0

0

0

*These bits are reserved and must be set to zero.

A0, A1, A2

These are the device select bits that determine the address of the device.

(Default Setting = 000)

WC

(Default Setting WC = 0)

This bit determines when/if the EEPROM is written to after register contents have been changed.

If WC = 0 the EEPROM is written automatically after a write register command.

If WC = 1 the EEPROM is only written when the “WRITE ” command is issued.

Regardless of the value of the WC bit, the value of the BUS Register (A0, A1, A2) is always written

immediately to the EEPROM.

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