PAC5220
Power Application Controller
13. ADC with Auto-Sampling Sequencer..............................................................................................................45
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............................................................................................................................................................ 61
19.1. Block Diagram........................................................................................................................................61
19.2. Functional Description............................................................................................................................62
19.2.1. Timer A...........................................................................................................................................62
19.2.2. Timer B...........................................................................................................................................62
19.2.3. Timer C..........................................................................................................................................62
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Rev 1.5‒April 17, 2016
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
