LM70

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SNIS112G – JUNE 2000 – REVISED MARCH 2013

TEMPERATURE REGISTER

Table 2. (Read Only):

D15

D14

D13

D12

D11

D10

D9

D8

D7

D6

D5

D4

D3

D2

D1

D0

MSB

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

LSB

1

1

1

X

X

D0–D1: Undefined. TRI-STATE will be output on SI/0.

D2–D4: Always set high.

D5–D15: Temperature Data. One LSB = 0.25°C. Two's complement format.

MANUFACTURER'S/DEVICE ID REGISTER

Table 3. (Read Only):

D15

D14

D13

D12

D11

D10

D9

D8

D7

D6

D5

D4

D3

D2

D1

D0

1

0

0

0

0

0

0

1

0

0

0

0

0

0

X

X

D0–D1: Undefined. TRI-STATE will be output on SI/0.

D2-D4: Always set LOW.

D5–D15: Manufacturer's ID Data. This register is accessed whenever the LM70 is in shutdown mode.

Serial Bus Timing Diagrams

Figure 12. a) Reading Continuous Conversion - Single Eight-Bit Frame

Figure 13. b) Reading Continuous Conversion - Two Eight-Bit Frames

Figure 14. c) Writing Shutdown Control

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