Contents
TC35678FSG/FXG-002
1. General Description...............................................................................................................................................................................4
1.1. Product Concept ...............................................................................................................................................................................4
1.2. Features.............................................................................................................................................................................................4
2. Pin Function ...........................................................................................................................................................................................5
2.1. TC35678FSG Pin Assignment (Top View) ......................................................................................................................................5
2.2. TC35678FXG Pin Assignment (Top View) ......................................................................................................................................6
2.3. Pin Function Descriptions .................................................................................................................................................................7
2.4. GPIO function list.............................................................................................................................................................................11
2.5. Power Supply Pins ......................................................................................................................................................................... 13
3. System Configuration......................................................................................................................................................................... 14
3.1. Block Diagram ................................................................................................................................................................................ 14
4. Functional Specifications.................................................................................................................................................................... 15
4.1. Bluetooth® Function ....................................................................................................................................................................... 15
4.1.1.
Supported Function ........................................................................................................................................................... 15
4.1.2.
Support Protocol Layer...................................................................................................................................................... 16
4.1.3.
RF ....................................................................................................................................................................................... 16
4.1.4.
Auto Advertise Function..................................................................................................................................................... 16
4.2. Reset Interface (Power up sequence) .......................................................................................................................................... 17
4.2.1.
Features ............................................................................................................................................................................. 17
4.2.2.
Connection Example ......................................................................................................................................................... 17
4.3. UART Interface............................................................................................................................................................................... 18
4.3.1.
Features ............................................................................................................................................................................. 18
4.3.2.
Connection Example ......................................................................................................................................................... 18
4.3.3.
Frame Format .................................................................................................................................................................... 19
4.3.4.
Flow Control Function........................................................................................................................................................ 19
4.3.5.
UART Baud Rate Setting .................................................................................................................................................. 20
4.3.6.
TX message spacing function........................................................................................................................................... 20
4.3.7.
Error Detecting Functions.................................................................................................................................................. 21
4.3.8.
Host Wake up Function ..................................................................................................................................................... 22
4.3.9.
HCI mode ........................................................................................................................................................................... 22
4.3.9.1. HCI Reset ...................................................................................................................................................................... 22
4.4. SPI Interface ................................................................................................................................................................................... 23
4.4.1.
Features ............................................................................................................................................................................. 23
4.4.2.
Connection Example ......................................................................................................................................................... 23
4.4.3.
Frame Format .................................................................................................................................................................... 24
4.5. I2C Interface .................................................................................................................................................................................... 25
4.5.1.
Features ............................................................................................................................................................................. 25
4.5.2.
Connection Example ......................................................................................................................................................... 25
4.5.3.
Selection of External Pull-up Resistor Value .................................................................................................................... 26
4.5.4.
Frame Format .................................................................................................................................................................... 27
4.6. PWM Interface................................................................................................................................................................................ 28
4.6.1.
Pulse Generation Function................................................................................................................................................ 28
4.6.2.
Rhythm Function (Output Masking).................................................................................................................................. 29
4.7. ADC ................................................................................................................................................................................................ 30
4.7.1.
Features ............................................................................................................................................................................. 30
4.7.2.
Descriptions ....................................................................................................................................................................... 30
4.8. IC Reference Clock Interface ........................................................................................................................................................ 31
2
2018-01-17
