PAC5253_17 Datasheet, PDF (3/71 Pages) Active-Semi, Inc – Power Application Controller

PAC5253
Power Application Controller
13.1. Block Diagram........................................................................................................................................ 45
13.2. Functional Description............................................................................................................................ 45
13.2.1. ADC................................................................................................................................................ 45
13.2.2. Auto-Sampling Sequencer............................................................................................................. 45
13.2.3. EMUX Control................................................................................................................................ 46
13.3. Electrical Characteristics........................................................................................................................ 46
14. Memory System............................................................................................................................................. 47
14.1. Features................................................................................................................................................. 47
14.2. Block Diagram........................................................................................................................................ 47
14.3. Functional Description............................................................................................................................ 47
14.3.1. Program and Data FLASH............................................................................................................. 47
14.3.2. SRAM............................................................................................................................................. 47
14.4. Electrical Characteristics........................................................................................................................ 48
15. Clock Control System..................................................................................................................................... 49
15.1. Features................................................................................................................................................. 49
15.2. Block Diagram........................................................................................................................................ 49
15.3. Functional Description............................................................................................................................ 50
15.3.1. Free Running Clock (FRCLK)........................................................................................................ 50
15.3.2. Fast Clock (FCLK).......................................................................................................................... 50
15.3.3. High-Speed Clock (HCLK)............................................................................................................. 50
15.3.4. Auxiliary Clock (ACLK)................................................................................................................... 50
15.3.5. Clock Gating................................................................................................................................... 50
15.3.6. Ring Oscillator (ROSC).................................................................................................................. 50
15.3.7. Trimmed 4MHz RC Oscillator......................................................................................................... 50
15.3.8. Internal Slow RC Oscillator............................................................................................................ 50
15.3.9. Crystal Oscillator Driver................................................................................................................. 50
15.3.10. External Clock Input..................................................................................................................... 50
15.3.11. PLL............................................................................................................................................... 50
15.4. Electrical Characteristics........................................................................................................................ 51
16. ARM Cortex-M0 Microcontroller Core............................................................................................................ 52
16.1. Features................................................................................................................................................. 52
16.2. Block Diagram........................................................................................................................................ 52
16.3. Functional Description............................................................................................................................ 52
16.4. Electrical Characteristics........................................................................................................................ 53
16.5. Typical Performance Characteristics...................................................................................................... 53
17. I/O Controller.................................................................................................................................................. 54
17.1. Features................................................................................................................................................. 54
17.2. Block Diagram........................................................................................................................................ 54
17.3. Functional Description............................................................................................................................ 54
17.4. Electrical Characteristics........................................................................................................................ 55
18. Serial Interface............................................................................................................................................... 56
18.1. Block Diagram........................................................................................................................................ 56
18.2. Functional Description............................................................................................................................ 56
18.2.1. I²C Controller.................................................................................................................................. 56
18.3. UART Controller..................................................................................................................................... 57
18.4. SPI Controller......................................................................................................................................... 57
18.5. Dynamic Characteristics........................................................................................................................ 58
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
19.2.4. Timer D.......................................................................................................................................... 64
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Rev 1.18‒December 29, 2016