PAC5250 Datasheet, PDF (3/70 Pages) Active-Semi, Inc – Power Application Controller

PAC5250
Power Application Controller
13. ADC with Auto-Sampling Sequencer.............................................................................................................. 46
13.1. Block Diagram........................................................................................................................................ 46
13.2. Functional Description............................................................................................................................ 46
13.2.1. ADC................................................................................................................................................ 46
13.2.2. Auto-Sampling Sequencer............................................................................................................. 46
13.2.3. EMUX Control................................................................................................................................ 47
13.3. Electrical Characteristics........................................................................................................................ 47
14. Memory System............................................................................................................................................. 48
14.1. Features................................................................................................................................................. 48
14.2. Block Diagram........................................................................................................................................ 48
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............................................................................................................................ 55
17.4. Electrical Characteristics........................................................................................................................ 56
18. Serial Interface............................................................................................................................................... 57
18.1. Block Diagram........................................................................................................................................ 57
18.2. Functional Description............................................................................................................................ 57
18.2.1. I²C Controller.................................................................................................................................. 57
18.3. UART Controller..................................................................................................................................... 58
18.4. SPI Controller......................................................................................................................................... 58
18.5. Dynamic Characteristics........................................................................................................................ 59
19. Timers............................................................................................................................................................ 62
19.1. Block Diagram........................................................................................................................................ 62
19.2. Functional Description............................................................................................................................ 63
19.2.1. Timer A........................................................................................................................................... 63
19.2.2. Timer B........................................................................................................................................... 63
19.2.3. Timer C.......................................................................................................................................... 63
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Rev 1.6‒January 28, 2016