STTS2002_11 datasheet(13/52 Pages) STMICROELECTRONICS

部件名	STTS2002

功能描述	2.3 V memory module temperature sensor with a 2 Kb SPD EEPROM

PDF	52 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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13 / 52 page

STTS2002

Temperature sensor operation

Doc ID 15389 Rev 5

13/52

Figure 6.

SMBus/I2C write to pointer register, followed by a write data word

3.2

SMBus/I2C slave sub-address decoding

The physical address for the TS is different than that used by the EEPROM. The TS physical

address is binary 0011A2A1A0RW, where A2, A1, and A0 are the three slave sub-

address pins, and the LSB “RW” is the READ/WRITE flag.

The EEPROM physical address is binary 1 010A2A1A0RW for the memory array and is

0110 A2 A1 A0 RW for permanently set write protection mode.

AI14012

ACK

STTS2002

No ACK

STTS2002

Stop

Cond.

Master

MSB Data Byte

LSB Data Byte

Start

Master

Address Byte

Pointer Byte

ACK

STTS2002

ACK

STTS2002

A1 A0 R/W

D2 D1 D0

SCL

(continued)

SDA

D10

D11

D12

D13

D14

D15

SDA

(continued)

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