Datasheet STTS22H (STMicroelectronics) - 4

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STTS22H Pin description 2 Pin description Figure 1. Pin configuration
SCL 1 6 SDA ALERT / INT 2 5 GND V 3 4 DD Addr
Table 1. Pin description Pin number Name Function
1 SCL SMBus/I²C serial interface clock 2 ALERT / INT Open-drain interrupt output. The output supports the SMBus Alert (ARA). 3 VDD Power supply VDD SMBus/I²C address selection. The pin at power-up determines the SMBus slave address 4 Addr according to the connection shown in Table 2. 5 GND 0 V supply 6 SDA SMBus/I²C serial data line
Table 2. STTS22H address definition Addr pin connection SMBus slave address
VDD 0111 000 (0x70 Write, 0x71 Read) GND 0111 111 (0x7E Write, 0x7F Read)
DS12606
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Rev 4 page 4/29
Document Outline 1 Overview 2 Pin description 3 Sensor parameters and electrical specifications 3.1 Sensor accuracy specifications 4 Absolute maximum ratings 5 Digital interfaces 5.1 SMBus interface 5.1.1 SMBus protocol 5.1.2 WRITE byte 5.1.3 READ byte 5.1.4 SEND byte 5.1.5 RECEIVE byte 5.1.6 SMBus timeout 5.1.7 Alert response address 5.2 I²C interface 5.2.1 I²C protocol 5.2.2 I²C read and write sequences 6 Register description 6.1 WHOAMI (01h) - RO 6.2 TEMP_H_LIMIT (02h) - RW 6.3 TEMP_L_LIMIT (03h) - RW 6.4 CTRL (04h) - RW 6.5 STATUS (05h) - RO 6.6 TEMP_L_OUT (06h) - RO 6.7 TEMP_H_OUT (07h) - RO 6.8 SOFTWARE_RESET (0Ch) - RW 7 Interrupt 8 ALERT / INT output 9 Operating modes 9.1 Enable sequence for one-shot mode 9.2 Enable sequence for freerun mode 9.3 Enable sequence for low-ODR mode 10 Package information 10.1 Soldering information 10.2 UDFN-6L package information 10.3 UDFN-6L packing information Revision history