[AK09911]

MS1526-E-01

2014/7

- 3 -

3. Table of Contents

1. Features ..............................................................................................................................1

2. Overview..............................................................................................................................2

3. Table of Contents.................................................................................................................3

4. Circuit Configration..............................................................................................................5

4.1. Block Diagram ..............................................................................................................5

4.2. Block Function ..............................................................................................................5

4.3. Pin Function..................................................................................................................6

5. Overall Characteristics ........................................................................................................7

5.1. Absolute Maximum Ratings ..........................................................................................7

5.2. Recommended Operating Conditions ..........................................................................7

5.3. Electrical Characteristics ..............................................................................................7

5.3.1. DC Characteristics .................................................................................................7

5.3.2. AC Characteristics .................................................................................................8

5.3.3. Analog Circuit Characteristics................................................................................9

5.3.4. I

2C Bus Interface..................................................................................................10

6. Function Explanation.........................................................................................................13

6.1. Power States...............................................................................................................13

6.2. Reset Functions..........................................................................................................13

6.3. Operation Mode ..........................................................................................................14

6.4. Description of Each Operation Mode .........................................................................15

6.4.1. Power-down Mode ...............................................................................................15

6.4.2. Single Measurement Mode ..................................................................................15

6.4.3. Continuous Measurement Mode 1, 2, 3 and 4 ....................................................16

6.4.4. Self-test Mode ......................................................................................................19

6.4.5. Fuse ROM Access Mode .....................................................................................19

7. Serial Interface ..................................................................................................................20

7.1. Data Transfer ..............................................................................................................20

7.1.1. Change of Data ....................................................................................................20

7.1.2. Start/Stop Condition .............................................................................................20

7.1.3. Acknowledge ........................................................................................................21

7.1.4. Slave Address ......................................................................................................21

7.2. WRITE Instruction.......................................................................................................22

7.3. READ Instruction ........................................................................................................23

7.3.1. One Byte READ ...................................................................................................23

7.3.2. Multiple Byte READ .............................................................................................23

7.4. High-speed Mode (Hs-mode) .....................................................................................24

8. Registers ...........................................................................................................................25

8.1. Description of Registers .............................................................................................25

8.2. Register Map ..............................................................................................................26

8.3. Detailed of Description of Register.............................................................................27

8.3.1. WIA: Who I Am.....................................................................................................27

8.3.2. INFO: Information ................................................................................................27

8.3.3. ST1: Status 1........................................................................................................27

8.3.4. HXL to HZH: Measurement data..........................................................................28

8.3.5. TMPS: Dummy Register ......................................................................................28

8.3.6. ST2: Status 2........................................................................................................29

8.3.7. CNTL1: Dummy Register.....................................................................................29

8.3.8. CNTL2: Control 2 .................................................................................................29

8.3.9. CNTL3: Control 3 .................................................................................................30

8.3.10. TS1: Test ............................................................................................................30

8.3.11. ASAX, ASAY, ASAZ: Sensitivity Adjustment Values...........................................30

9. Example of Recommended External Connection .............................................................31

10. Package...........................................................................................................................32

10.1. Marking .....................................................................................................................32

10.2. Pin Assignment .........................................................................................................32

10.3. Outline Dimensions ..................................................................................................33