DS1085 datasheet(14/21 Pages) DALLAS | EconOscillator Frequency Synthesizer

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DS1085 Datasheet(PDF) 14 Page - Dallas Semiconductor

Part #	DS1085

Description	EconOscillator Frequency Synthesizer

Download	21 Pages

Scroll/Zoom	100%

Manufacturer	DALLAS [Dallas Semiconductor]

Direct Link	https://www.maximintegrated.com/en.html

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14 / 21 page

DS1085

14 of 21

SLAVE ADDRESS

A control byte is the first byte received following the START condition from the master device. The

control byte consists of a 4-bit control code; for the DS1085, this is set as 1011 binary for read and write

operations. The next three bits of the control byte are the device select bits (A2, A1, A0). The address bits

to which the DS1085 responds are factory set to 000, but can be altered by writing new values to the

ADDR register. After the new address is written, the DS1085 responds only to the new address bit values.

The master uses this to select which of eight devices are to be accessed. The set bits are in effect the three

LSBs of the slave address. The last bit of the control byte (R/W) defines the operation to be performed.

When set to a 1, a read operation is selected; when set to a 0, a write operation is selected. Following the

START condition, the DS1085 monitors the SDA bus checking the device type identifier being

transmitted. Upon receiving the 1011 code and appropriate device select bits, the slave device outputs an

acknowledge signal on the SDA line.

Figure 3. TIMING DIAGRAM

Manufacturer	Part #	Datasheet	Description
Maxim Integrated Produc...	DS1085	356Kb / 21P	EconOscillator Frequency Synthesizer 051506
	DS1085L	325Kb / 21P	3.3V EconOscillator Frequency Synthesizer 021403
	DS1085L	348Kb / 21P	3.3V EconOscillator Frequency Synthesizer 051606
	DS1085LZ-12	325Kb / 21P	3.3V EconOscillator Frequency Synthesizer 021403
	DS1085LZ-12	348Kb / 21P	3.3V EconOscillator Frequency Synthesizer 051606

Manufacturer	Part #	Datasheet	Description
Maxim Integrated Produc...	DS1085	356Kb / 21P	EconOscillator Frequency Synthesizer 051506
	DS1085L	325Kb / 21P	3.3V EconOscillator Frequency Synthesizer 021403
	DS1085L	348Kb / 21P	3.3V EconOscillator Frequency Synthesizer 051606
	DS1088C	478Kb / 8P	Fixed-Frequency EconOscillator? 19-6186; Rev 1; 4/15
	DS1088L	458Kb / 8P	Fixed-Frequency EconOscillator? 19-6184; Rev 3; 4/15
Dallas Semiconductor	DS1099	78Kb / 6P	Low-Frequency Dual EconOscillator
Maxim Integrated Produc...	DS1099	413Kb / 7P	Low-Frequency Dual EconOscillator 19-7629; Rev 2; 5/15
	DS1099	119Kb / 6P	Low-Frequency Dual EconOscillator Rev 1; 9/07
	DS1088L	1Mb / 8P	Fixed-Frequency EconOscillator™ Rev 2; 1/12
Dallas Semiconductor	DS1088L	193Kb / 5P	Low-Cost Fixed-Frequency EconOscillator

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