9.1 ADC ...................................................................................................................................................... 11
9.2 DAC ....................................................................................................................................................... 11
9.3 I2S TX .................................................................................................................................................... 11
9.4 I2S RX ................................................................................................................................................... 11
10 GPIO and I/O Multiplexer ...................................................................................................................... 12
10.1 GPIO Features....................................................................................................................................... 12
10.2 PWM .................................................................................................................................................... 12
10.2.1 Normal Mode Timing .................................................................................................................. 12
10.2.2 Breath Mode Timing .................................................................................................................... 13
11 Electrical Characteristics ........................................................................................................................ 13
11.1 Absolute Maximum Ratings ................................................................................................................. 13
11.2 Recommended Power Supply ............................................................................................................... 13
11.3 DC Characteristics ................................................................................................................................ 13
11.4 Battery Charger .................................................................................................................................... 14
11.5 Power Consumption ............................................................................................................................. 14
11.6 Bluetooth Characteristics ..................................................................................................................... 14
11.6.1 Transmitter BT Classic Basic Data Rate(BDR) ............................................................................... 14
11.6.2 Transmitter BT Classic Enhanced Data Rate(EDR) ........................................................................ 15
11.6.3 Transmitter Bluetooth Low Energy(BLE) 1Mbps .......................................................................... 15
11.6.4 Transmitter Bluetooth Low Energy(BLE) 2Mbps .......................................................................... 15
11.6.5 Receiver BT Classic Basic Data Rate(BDR) .................................................................................... 16
11.6.6 Receiver BT Classic Enhanced Data Rate(EDR) ............................................................................. 16
11.6.7 Receiver Bluetooth Low Energy(BLE) 1Mbps ............................................................................... 16
11.6.8 Receiver Bluetooth Low Energy(BLE) 2Mbps ............................................................................... 16
11.7 Audio ADC ............................................................................................................................................ 17
11.8 Stereo DAC............................................................................................................................................ 17
Acronyms and Abbreviations ......................................................................................................................... 19