-There are three chips which are connected to the main CPU's SCL/SDA pins.
-So far, it's unknown which device is responsible for which I2C output.
+There are three chips which are connected to the main CPU's SCL/SDA pins:
+
+ - Battery management chip: X-Powers AXP199
+ * I²C slave address: 0x34/52 (shifted: 0x68/104)
+
+ - RTC chip: Hec Semiconductor H8563S
+ * I²C slave address: 0x51/81 (shifted: 0xa2/162)
+
+ - Digital Thermal Orientation Sensor (DTOS): MEMSIC MXC6225XU
+ * I²C slave address: 0x15/21 (shifted: 0x2a/42)