LM75ADP Ver la hoja de datos (PDF) - Philips Electronics

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LM75ADP

Digital temperature sensor and thermal Watchdog™

Philips Electronics 

Philips Semiconductors

Digital temperature sensor and thermal Watchdog™

Product data sheet

LM75A

SCL

SDA S

123456789123456789

(next)

1 0 0 1 A2 A1 A0 W A

0 0 0 0 0 0 P1 P0 A (next)

DEVICE ADDRESS

POINTER BYTE

START

WRITE

DEVICE

ACKNOWLEDGE

DEVICE

ACKNOWLEDGE

123456789123456789

SCL (cont.)

SDA (cont.) D7 D6 D5 D4 D3 D2 D1 D0 A D7 D6 D5 D4 D3 D2 D1 D0 A

P

MS BYTE DATA

LS BYTE DATA

DEVICE

ACKNOWLEDGE

DEVICE

ACKNOWLEDGE

STOP

Figure 9. Write Tos or Thyst register (2-byte data).

SL01397

SCL

SDA S

1234567891234567890

(next)

1 0 0 1 A2 A1 A0 W A

0 0 0 0 0 0 P1 P0 A RS (next)

DEVICE ADDRESS

POINTER BYTE

START

WRITE

DEVICE

ACKNOWLEDGE

DEVICE

ACKNOWLEDGE

RE-START

123456789123456789123456789

SCL (cont.)

SDA (cont.) 1 0 0 1 A2 A1 A0 R A D7 D6 D5 D4 D3 D2 D1 D0 A′ D7 D6 D5 D4 D3 D2 D1 D0 NA P

DEVICE ADDRESS

READ

MS BYTE FROM DEVICE

DEVICE

ACKNOWLEDGE

MASTER

ACKNOWLEDGE

LS BYTE FROM DEVICE

MASTER NOT

ACKNOWLEDGED

STOP

Figure 10. Read Temp or Tos or Thyst register including Pointer byte (2-byte data).

SL01396

SCL

SDA S

123456789123456789123456789

1 0 0 1 A2 A1 A0 R A D7 D6 D5 D4 D3 D2 D1 D0 A′ D7 D6 D5 D4 D3 D2 D1 D0 NA P

DEVICE ADDRESS

START

READ

MS BYTE FROM DEVICE

DEVICE

ACKNOWLEDGE

MASTER

ACKNOWLEDGE

LS BYTE FROM DEVICE

MASTER NOT

ACKNOWLEDGED

Figure 11. Read Temp or Tos or Thyst register with preset Pointer (2-byte data).

STOP

SL01395

2004 Oct 05

14

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