Datasheet (Asahi Kasei Microdevices) - 2

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4. Table of Contents
1. General Description .. 1 2. Features ... 1 3. Applications .. 1 4. Table of Contents ... 2 5. Block Diagram and Functions .. 4 5.1. Block Diagram ... 4 5.2. Functions ... 4 6. Pin Configurations and Functions .. 5 6.1. Pin Configurations ... 5 6.2. Functions ... 5 7. Absolute Maximum Ratings ... 6 8. Operating Conditions .. 6 9. Power Supply Conditions ... 6 10. Electrical Characteristics .. 7 10.1. Analog Characteristics ... 7 10.1.1. Connection device specification ... 8 10.2. Digital Characteristics .. 8 10.2.1. DC Characteristics .. 8 10.2.2. AC Characteristics .. 9 11. Functional Descriptions .. 11 11.1. Power Supply States ... 11 11.2. Reset Functions ... 11 11.3. Operating Mode ... 11 11.4. Descriptions for Each Operating Mode ... 12 11.4.1. Power Down Mode .. 12 11.4.2. Stand-by Mode (MODE [1:0] bits = “00”) .. 12 11.4.3. Single Measurement Mode (MODE [1:0] bits = “10”) ... 12 11.5. Read Measurement Data .. 13 11.5.1. Recommended Measurement Procedure .. 13 12. Serial Interface ... 15 12.1. Data Transfer ... 15 12.1.1. Changing state of the SDA line ... 15 12.1.2. Start / Stop Conditions .. 15 12.1.3. Acknowledge ... 16 12.1.4. Slave Address ... 17 12.1.5. Write Command .. 18 12.1.6. Read Command .. 19 13. Registers .. 20 13.1. Description of Registers .. 20 13.2. Register Map ... 21 13.3. Detailed Description of Register .. 22 13.3.1. WIA1: Company code ... 22 13.3.2. WIA2: Device ID .. 22 13.3.3. INFO1, INFO2: Information ... 22 13.3.4. ST1: Status 1 .. 22 13.3.5. IRxL, IRxM, IRxH: Measurement data of IR sensor (x=1,2) ... 23 13.3.6. TMPL, TMPH: Measurement data of temperature sensor ... 23 13.3.7. Vf: Measurement data of LED forward voltage .. 24 13.3.8. CNTL1: Control1 ... 24 13.3.9. CNTL2: Control2 ... 25 13.3.10. CNTL3: Control3 ... 25 13.3.11. CNTL4: Control4 ... 26 018015111-E-01 2019/8 - 2 -