LTC4306 datasheet(8/16 Pages) LINER

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LTC4318

4318fa

For more information www.linear.com/LTC4318

operaTion

Figure 2 shows typical waveforms for the circuit on the

front page. In this example, the master transmits address

0x34 while the slave is configured to respond to address

0x36.TheresistivedividersattheXORLandXORHpinsare

configuredtogenerateanaddresstranslationbyteof0x02.

Note that in this example, the 8-bit hexadecimal address

format (with R/W = 0) is used. 7-bit addresses are also

commonly found in I2C device documentation. Make sure

to use the correct format when calculating the address

translation byte. Table 1 shows examples of both formats.

Figure 2. Basic Address Translation Waveforms

TRANSLATION

BYTE

SDAOUT

SCLIN

SDAIN

ADDRESS BITS

START

= 0x34

= 0x02

= 0x36

4318 F02

N2 GATE N2 ON

N2 ON

N2 OFF

R/W

BIT

ACK

BIT

Table 1.

DESCRIPTION

BINARY ADDRESS

7-BIT HEX ADDRESS

WITHOUT R/W

8-BIT HEX ADDRESS

WITH R/W = 0

R/W

Input Address from SDAIN

0x1A

0x34

Translation Byte

0x01

0x02

Output Address to SDAOUT

0x1B

0x36

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