TC35894FG
Technical Datasheet
Table of content
1. Overview .......................................................................................................................................................... 8
2. FUNCTIONAL OVERVIEW.............................................................................................................................. 9
3. Terminal ......................................................................................................................................................... 12
3.1. Pin Layout (44 Pins, LQFP Package) ..................................................................................................... 12
3.2. Pin Table.................................................................................................................................................. 13
4. Power-On, Reset and Supply Surveillance.................................................................................................... 15
4.1. Power-On Sequence ............................................................................................................................... 15
4.2. Power-On Reset ...................................................................................................................................... 15
4.3. Power-On Watchdog ............................................................................................................................... 16
4.4. Reset Tree ............................................................................................................................................... 17
4.5. Reset Registers ....................................................................................................................................... 18
4.6. Initial Configuration during Reset ............................................................................................................ 19
5. CLOCKING SYSTEM..................................................................................................................................... 20
5.1. Clock Source Selection ........................................................................................................................... 20
5.2. Clock Frequency Setting ......................................................................................................................... 21
5.3. Operating Modes ..................................................................................................................................... 22
5.3.1. SLEEP mode..............................................................................................................................................................22
5.3.2. OPERATION mode ....................................................................................................................................................22
5.4. Auto Sleep Feature.................................................................................................................................. 23
5.5. Clock System Register settings............................................................................................................... 24
6. IOM (INPUT/OUTPUT CONFIGURATION)................................................................................................... 28
6.1. Functional I/O Multiplex ........................................................................................................................... 28
6.1.1. I/O Multiplexing for KPX [7:0] .....................................................................................................................................31
6.1.2. I/O Multiplexing for KPY [10:0] ...................................................................................................................................32
6.1.3. I/O Multiplexing for KPY [11] ......................................................................................................................................33
6.1.4. I/O Multiplexing for PWM [2:0] ....................................................................................................................................34
6.1.5. I/O Multiplexing for DIR24 (clock input) ......................................................................................................................34
6.2. Pull Resistor Programming...................................................................................................................... 35
6.3. Output Drive Strength Programming....................................................................................................... 37
7. I2C................................................................................................................................................................... 39
7.1. Re-Programming of the I2C Address....................................................................................................... 40
7.2. I2C Transfer ............................................................................................................................................. 40
7.2.1. I2C Write Operation ....................................................................................................................................................40
7.2.2. I2C Read Operation ....................................................................................................................................................41
7.2.3. I2C General Call..........................................................................................................................................................42
7.3. I2C Register Map ..................................................................................................................................... 42
8. TIM (Timer Module)........................................................................................................................................ 43
8.1. Timer Features ........................................................................................................................................ 43
8.2. Timer Architecture ................................................................................................................................... 43
8.3. Simple Timer Control............................................................................................................................... 44
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2019-05-14
