PAC5225
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............................................................................................................................................................ 63
19.1. Block Diagram........................................................................................................................................63
19.2. Functional Description............................................................................................................................64
19.2.1. Timer A...........................................................................................................................................64
19.2.2. Timer B...........................................................................................................................................64
19.2.3. Timer C..........................................................................................................................................64
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Rev 2.0‒September 22, 2017
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
