PAC5220 datasheet(3/73 Pages) ACTIVE-SEMI

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PAC5220

Power Application Controller

13. ADC with Auto-Sampling Sequencer.............................................................................................................. 45

13.1. Block Diagram........................................................................................................................................ 45

13.2. Functional Description............................................................................................................................ 46

13.2.1. ADC................................................................................................................................................ 46

13.2.2. Auto-Sampling Sequencer............................................................................................................. 46

13.2.3. EMUX Control................................................................................................................................ 46

13.3. Electrical Characteristics........................................................................................................................ 47

14. Memory System............................................................................................................................................. 48

14.1. Features................................................................................................................................................. 48

14.2. Block Diagram........................................................................................................................................ 48

14.3. Functional Description............................................................................................................................ 49

14.3.1. Program and Data FLASH............................................................................................................. 49

14.3.2. SRAM............................................................................................................................................. 49

14.4. Electrical Characteristics........................................................................................................................ 50

15. Clock Control System..................................................................................................................................... 51

15.1. Features................................................................................................................................................. 51

15.2. Block Diagram........................................................................................................................................ 51

15.3. Functional Description............................................................................................................................ 52

15.3.1. Free Running Clock (FRCLK)........................................................................................................ 52

15.3.2. Fast Clock (FCLK).......................................................................................................................... 52

15.3.3. High-Speed Clock (HCLK).............................................................................................................52

15.3.4. Auxiliary Clock (ACLK)................................................................................................................... 52

15.3.5. Clock Gating................................................................................................................................... 52

15.3.6. Ring Oscillator (ROSC).................................................................................................................. 52

15.3.7. Trimmed 4MHz RC Oscillator......................................................................................................... 52

15.3.8. Internal Slow RC Oscillator............................................................................................................ 52

15.3.9. Crystal Oscillator Driver................................................................................................................. 52

15.3.10. External Clock Input..................................................................................................................... 52

15.3.11. PLL............................................................................................................................................... 52

15.4. Electrical Characteristics........................................................................................................................ 53

16. ARM Cortex-M0 Microcontroller Core............................................................................................................ 54

16.1. Features................................................................................................................................................. 54

16.2. Block Diagram........................................................................................................................................ 54

16.3. Functional Description............................................................................................................................ 55

16.4. Electrical Characteristics........................................................................................................................ 56

16.5. Typical Performance Characteristics...................................................................................................... 57

17. I/O Controller.................................................................................................................................................. 58

17.1. Features................................................................................................................................................. 58

17.2. Block Diagram........................................................................................................................................ 58

17.3. Functional Description............................................................................................................................ 58

17.3.1. PAx, PDx, and PEx........................................................................................................................ 58

17.3.2. PCx................................................................................................................................................ 59

17.4. Electrical Characteristics........................................................................................................................ 60

18. Serial Interface............................................................................................................................................... 61

18.1. Block Diagram........................................................................................................................................ 61

18.2. Functional Description............................................................................................................................ 61

18.2.1. I2C Controller................................................................................................................................. 61

18.3. UART Controller..................................................................................................................................... 62

18.4. SPI Controller......................................................................................................................................... 62

18.5. Dynamic Characteristics........................................................................................................................ 63

19. Timers............................................................................................................................................................ 66

19.1. Block Diagram........................................................................................................................................ 66

19.2. Functional Description............................................................................................................................ 67

19.2.1. Timer A........................................................................................................................................... 67

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Rev 1.0‒February 25, 2014

PAC5220 Datasheet(PDF) 3 Page - Active-Semi, Inc

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