PAC5223 Datasheet, PDF (3/67 Pages) Active-Semi, Inc – Power Application Controller

PAC5223
Power Application Controller
13.1. Block Diagram........................................................................................................................................ 44
13.2. Functional Description............................................................................................................................ 44
13.2.1. ADC................................................................................................................................................ 44
13.2.2. Auto-Sampling Sequencer............................................................................................................. 44
13.2.3. EMUX Control................................................................................................................................ 45
13.3. Electrical Characteristics........................................................................................................................ 45
14. Memory System............................................................................................................................................. 46
14.1. Features................................................................................................................................................. 46
14.2. Block Diagram........................................................................................................................................ 46
14.3. Functional Description............................................................................................................................ 46
14.3.1. Program and Data FLASH............................................................................................................. 46
14.3.2. SRAM............................................................................................................................................. 46
14.4. Electrical Characteristics........................................................................................................................ 47
15. Clock Control System..................................................................................................................................... 48
15.1. Features................................................................................................................................................. 48
15.2. Block Diagram........................................................................................................................................ 48
15.3. Functional Description............................................................................................................................ 49
15.3.1. Free Running Clock (FRCLK)........................................................................................................ 49
15.3.2. Fast Clock (FCLK).......................................................................................................................... 49
15.3.3. High-Speed Clock (HCLK)............................................................................................................. 49
15.3.4. Auxiliary Clock (ACLK)................................................................................................................... 49
15.3.5. Clock Gating................................................................................................................................... 49
15.3.6. Ring Oscillator (ROSC).................................................................................................................. 49
15.3.7. Trimmed 4MHz RC Oscillator......................................................................................................... 49
15.3.8. Internal Slow RC Oscillator............................................................................................................ 49
15.3.9. Crystal Oscillator Driver................................................................................................................. 49
15.3.10. External Clock Input..................................................................................................................... 49
15.3.11. PLL............................................................................................................................................... 49
15.4. Electrical Characteristics........................................................................................................................ 50
16. ARM Cortex-M0 Microcontroller Core............................................................................................................ 51
16.1. Features................................................................................................................................................. 51
16.2. Block Diagram........................................................................................................................................ 51
16.3. Functional Description............................................................................................................................ 51
16.4. Electrical Characteristics........................................................................................................................ 52
16.5. Typical Performance Characteristics...................................................................................................... 52
17. I/O Controller.................................................................................................................................................. 53
17.1. Features................................................................................................................................................. 53
17.2. Block Diagram........................................................................................................................................ 53
17.3. Functional Description............................................................................................................................ 53
17.4. Electrical Characteristics........................................................................................................................ 54
18. Serial Interface............................................................................................................................................... 55
18.1. Block Diagram........................................................................................................................................ 55
18.2. Functional Description............................................................................................................................ 55
18.2.1. I²C Controller.................................................................................................................................. 55
18.3. UART Controller..................................................................................................................................... 56
18.4. SPI Controller......................................................................................................................................... 56
18.5. Dynamic Characteristics........................................................................................................................ 57
19. Timers............................................................................................................................................................ 60
19.1. Block Diagram........................................................................................................................................ 60
19.2. Functional Description............................................................................................................................ 61
19.2.1. Timer A........................................................................................................................................... 61
19.2.2. Timer B........................................................................................................................................... 61
19.2.3. Timer C.......................................................................................................................................... 61
19.2.4. Timer D.......................................................................................................................................... 62
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Rev 1.10‒January 28, 2016