PAC5220 Datasheet, PDF (3/73 Pages) Active-Semi, Inc – Power Application Controller

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