PAC5222
Power Application Controller
13. ADC with Auto-Sampling Sequencer............................................................................................................. 44
13.1. Block Diagram....................................................................................................................................... 44
13.2. Functional Description........................................................................................................................... 45
13.2.1. ADC............................................................................................................................................... 45
13.2.2. Auto-Sampling Sequencer............................................................................................................45
13.2.3. EMUX Control............................................................................................................................... 45
13.3. Electrical Characteristics....................................................................................................................... 45
14. Memory System............................................................................................................................................ 47
14.1. Features................................................................................................................................................ 47
14.2. Block Diagram....................................................................................................................................... 47
14.3. Functional Description........................................................................................................................... 48
14.3.1. Program and Data FLASH............................................................................................................ 48
14.3.2. SRAM............................................................................................................................................ 48
14.4. Electrical Characteristics....................................................................................................................... 49
15. Clock Control System.................................................................................................................................... 50
15.1. Features................................................................................................................................................ 50
15.2. Block Diagram....................................................................................................................................... 50
15.3. Functional Description........................................................................................................................... 51
15.3.1. Free Running Clock (FRCLK)....................................................................................................... 51
15.3.2. Fast Clock (FCLK)......................................................................................................................... 51
15.3.3. High-Speed Clock (HCLK)............................................................................................................ 51
15.3.4. Auxiliary Clock (ACLK).................................................................................................................. 51
15.3.5. Clock Gating.................................................................................................................................. 51
15.3.6. Ring Oscillator (ROSC)................................................................................................................. 51
15.3.7. Trimmed 4MHz RC Oscillator........................................................................................................ 51
15.3.8. Internal Slow RC Oscillator........................................................................................................... 51
15.3.9. Crystal Oscillator Driver................................................................................................................ 51
15.3.10. External Clock Input.................................................................................................................... 51
15.3.11. PLL.............................................................................................................................................. 51
15.4. Electrical Characteristics....................................................................................................................... 52
16. ARM® Cortex®-M0 Microcontroller Core........................................................................................................ 53
16.1. Features................................................................................................................................................ 53
16.2. Block Diagram....................................................................................................................................... 53
16.3. Functional Description........................................................................................................................... 53
16.4. Electrical Characteristics....................................................................................................................... 54
16.5. Typical Performance Characteristics..................................................................................................... 54
17. I/O Controller................................................................................................................................................. 55
17.1. Features................................................................................................................................................ 55
17.2. Block Diagram....................................................................................................................................... 55
17.3. Functional Description........................................................................................................................... 56
17.4. GPIO Current Injection.......................................................................................................................... 56
17.5. Electrical Characteristics....................................................................................................................... 57
18. Serial Interface.............................................................................................................................................. 58
18.1. Block Diagram....................................................................................................................................... 58
18.2. Functional Description........................................................................................................................... 58
18.2.1. I2C Controller................................................................................................................................. 58
18.3. UART Controller.................................................................................................................................... 59
18.4. SPI Controller........................................................................................................................................ 59
18.5. Dynamic Characteristics....................................................................................................................... 60
19. Timers........................................................................................................................................................... 64
19.1. Block Diagram....................................................................................................................................... 64
19.2. Functional Description........................................................................................................................... 65
19.2.1. Timer A.......................................................................................................................................... 65
19.2.2. Timer B.......................................................................................................................................... 65